411
FPUS55 KBYZ 182151
ZFPBYZ

Zone Forecast Product for South Central and Southeast Montana
National Weather Service Billings MT
350 PM MDT Fri Sep 18 2026

Spot temperatures and probabilities of measurable precipitation
are for tonight, Saturday, Saturday night, and Sunday.


MTZ065-191500-
Livingston Area-
Including the city of Livingston
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Chance of thunderstorms in the evening. Rain showers
through the night. Slight chance of thunderstorms overnight.
Patchy fog after 3 am. Some thunderstorms may produce heavy
rainfall in the evening. Some thunderstorms may produce heavy
rainfall overnight. Lows in the upper 40s. East winds 5 to
10 mph. Chance of precipitation 100 percent.
.SATURDAY...Cooler. Patchy fog in the morning. Rain showers and
chance of thunderstorms through the day. Some thunderstorms may
produce heavy rainfall early in the morning. Some thunderstorms
may produce heavy rainfall in the late morning and afternoon.
Highs in the upper 50s. East winds 5 to 10 mph. Chance of
precipitation 90 percent.
.SATURDAY NIGHT...Rain showers and slight chance of thunderstorms
in the evening, then rain showers likely overnight. Patchy fog
overnight. Some thunderstorms may produce heavy rainfall early in
the evening. Lows in the mid 40s. Northeast winds 5 to 10 mph in
the evening becoming light overnight. Chance of precipitation
80 percent.
.SUNDAY...Decreasing clouds. Patchy fog early in the morning.
Chance of rain showers in the morning. Slight chance of rain
showers in the afternoon. Slight chance of thunderstorms late in
the afternoon. Some thunderstorms may produce heavy rainfall late
in the afternoon. Highs in the mid 60s. West winds 5 to 10 mph.
Chance of precipitation 40 percent.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 40s. South winds
5 to 10 mph.
.MONDAY...Sunny. Highs in the mid 70s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Mostly sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.THURSDAY...Sunny. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 40s.
.FRIDAY...Mostly sunny. Highs around 80.

&&
                  TEMPERATURE         /       PRECIPITATION

Livingston   49     59     46     66  / 100     90     80     40


$$

MTZ064-191500-
Paradise Valley-
Including the city of Emigrant
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers likely and chance of thunderstorms early
in the evening, then rain showers and slight chance of
thunderstorms in the late evening and overnight. Some
thunderstorms may produce heavy rainfall. Lows in the upper 40s.
East winds 5 to 10 mph in the evening becoming light overnight.
Chance of precipitation 90 percent.
.SATURDAY...Patchy fog in the morning and early afternoon. Rain
showers and slight chance of thunderstorms in the morning, then
rain showers and chance of thunderstorms in the afternoon.
Cooler. Some thunderstorms may produce heavy rainfall in the
morning. Some thunderstorms may produce heavy rainfall in the
afternoon. Highs around 60. Light and variable winds in the
morning becoming northeast 5 to 10 mph in the afternoon. Chance
of precipitation 90 percent.
.SATURDAY NIGHT...Rain showers likely and slight chance of
thunderstorms early in the evening, then rain showers likely in
the late evening and overnight. Some thunderstorms may produce
heavy rainfall early in the evening. Lows in the mid 40s. North
winds 5 to 10 mph in the evening becoming light overnight. Chance
of precipitation 70 percent.
.SUNDAY...Mostly cloudy. Patchy fog in the morning. Chance of
rain showers in the morning, then slight chance of rain showers
in the afternoon. Slight chance of thunderstorms late in the
afternoon. Some thunderstorms may produce heavy rainfall late in
the afternoon. Highs in the mid 60s. Light and variable winds in
the morning becoming west 5 to 10 mph in the afternoon. Chance of
precipitation 40 percent.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. South winds
5 to 10 mph.
.MONDAY...Sunny. Highs in the mid 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50.
.THURSDAY...Sunny. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows around 50.
.FRIDAY...Mostly sunny. Highs around 80.

$$

MTZ040-191500-
Northern Park-
Including the cities of Clyde Park and Wilsall
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers and slight chance of thunderstorms
overnight. Patchy fog overnight. Some thunderstorms may produce
heavy rainfall in the evening. Some thunderstorms may produce
heavy rainfall overnight. Lows in the mid 40s. South winds 5 to
10 mph in the evening shifting to the north overnight. Chance of
precipitation 100 percent.
.SATURDAY...Cooler. Areas of fog early in the morning. Patchy fog
late in the morning. Rain showers and chance of thunderstorms
through the day. Some thunderstorms may produce heavy rainfall
early in the morning. Some thunderstorms may produce heavy
rainfall in the late morning and afternoon. Highs in the upper
50s. North winds 5 to 10 mph. Chance of precipitation 90 percent.
.SATURDAY NIGHT...Rain showers in the evening, then chance of
rain showers overnight. Rain showers likely after 3 am. Patchy
fog overnight. Lows in the lower 40s. South winds 5 to 10 mph in
the evening becoming light overnight. Chance of precipitation
80 percent.
.SUNDAY...Mostly cloudy. Patchy fog early in the morning. Chance
of rain showers in the morning, then slight chance of rain
showers in the afternoon. Highs in the mid 60s. Light and
variable winds. Chance of precipitation 30 percent.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 40s. Southeast
winds 5 to 10 mph.
.MONDAY...Sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Mostly sunny. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s.
.FRIDAY...Mostly sunny. Highs in the upper 70s.

$$

MTZ068-191500-
Crazy Mountains-
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers and slight chance of thunderstorms
overnight. Some thunderstorms may produce heavy rainfall in the
evening. Some thunderstorms may produce heavy rainfall overnight.
Lows in the lower 40s. East winds 5 to 10 mph. Chance of
precipitation 100 percent.
.SATURDAY...Cooler. Rain showers and chance of thunderstorms.
Some thunderstorms may produce heavy rainfall early in the
morning. Some thunderstorms may produce heavy rainfall in the
late morning and afternoon. Highs in the mid 40s. Northeast winds
5 to 10 mph. Chance of precipitation 90 percent.
.SATURDAY NIGHT...Patchy fog in the evening. Rain showers early
in the evening. Rain showers likely in the late evening and
overnight, then chance of rain showers after 3 am. Lows around
40. North winds 5 to 10 mph. Chance of precipitation 80 percent.
.SUNDAY...Mostly cloudy with a 40 percent chance of rain showers.
Patchy fog late in the morning. Highs in the upper 40s. West
winds 5 to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 40s. Southwest
winds 5 to 10 mph.
.MONDAY...Sunny. Highs in the mid 50s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Mostly sunny. Highs in the upper 50s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.WEDNESDAY...Sunny. Highs in the upper 50s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s.
.THURSDAY...Sunny. Highs in the lower 60s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 40s.
.FRIDAY...Mostly sunny. Highs in the lower 60s.

$$

MTZ067-191500-
Absaroka/Beartooth Mountains-
Including the city of Cooke City
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers likely overnight. Patchy fog in the
late evening and overnight. Areas of fog after 3 am. Some
thunderstorms may produce heavy rainfall early in the evening.
Some thunderstorms may produce heavy rainfall late in the
evening. Lows in the upper 30s. Northeast winds 5 to 10 mph.
Chance of precipitation 90 percent.
.SATURDAY...Cooler. Areas of fog early in the morning, then
patchy fog late in the morning. Slight chance of thunderstorms in
the morning. Rain showers likely through the day. Chance of
thunderstorms in the afternoon. Some thunderstorms may produce
heavy rainfall late in the morning. Some thunderstorms may
produce heavy rainfall in the afternoon. Highs in the upper 50s.
West winds 5 to 10 mph. Chance of precipitation 70 percent.
.SATURDAY NIGHT...Rain showers likely and slight chance of
thunderstorms early in the evening. Chance of rain showers
overnight. Patchy fog in the late evening and overnight. Some
thunderstorms may produce heavy rainfall early in the evening.
Lows in the lower 30s. Light and variable winds. Chance of
precipitation 70 percent.
.SUNDAY...Patchy fog early in the morning. Chance of rain showers
in the morning. Rain showers likely in the afternoon. Slight
chance of thunderstorms late in the afternoon. Some thunderstorms
may produce heavy rainfall late in the afternoon. Highs around
60. Light and variable winds in the morning becoming northwest
5 to 10 mph in the afternoon. Chance of precipitation 60 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows in the lower 30s. Northwest
winds 5 to 10 mph in the evening becoming light overnight.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 30s.
.TUESDAY...Mostly sunny. Highs in the upper 60s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s.
.WEDNESDAY...Sunny. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s.
.THURSDAY...Sunny. Highs in the lower 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Highs in the lower 70s.

$$

MTZ066-191500-
Beartooth Foothills-
Including the cities of Fishtail and McLeod
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers and slight chance of thunderstorms
overnight. Some thunderstorms may produce heavy rainfall in the
evening. Some thunderstorms may produce heavy rainfall overnight.
Lows in the lower 50s. West winds 5 to 10 mph. Chance of
precipitation 100 percent.
.SATURDAY...Rain showers and slight chance of thunderstorms in
the morning, then rain showers and chance of thunderstorms in the
afternoon. Cooler. Some thunderstorms may produce heavy rainfall
in the morning. Some thunderstorms may produce heavy rainfall in
the afternoon. Highs in the upper 50s. Northwest winds 5 to
10 mph. Chance of precipitation 100 percent.
.SATURDAY NIGHT...Slight chance of thunderstorms in the evening.
Rain showers through the night. Some thunderstorms may produce
heavy rainfall early in the evening. Lows in the upper 40s.
Northwest winds 5 to 10 mph. Chance of precipitation 90 percent.
.SUNDAY...Rain showers likely in the morning, then chance of rain
showers in the afternoon. Highs in the lower 60s. Northwest winds
5 to 10 mph. Chance of precipitation 60 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 40s. Southeast
winds 5 to 10 mph in the evening becoming light overnight.
.MONDAY...Sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the upper 70s.

$$

MTZ056-191500-
Red Lodge Foothills-
Including the city of Red Lodge
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Chance of thunderstorms early in the evening. Rain
showers through the night. Slight chance of thunderstorms late in
the evening. Some thunderstorms may produce heavy rainfall early
in the evening. Some thunderstorms may produce heavy rainfall
late in the evening. Lows around 50. Northwest winds 5 to 15 mph.
Chance of precipitation 90 percent.
.SATURDAY...Cooler. Slight chance of thunderstorms in the
morning. Rain showers through the day. Chance of thunderstorms in
the afternoon. Some thunderstorms may produce heavy rainfall in
the morning. Some thunderstorms may produce heavy rainfall in the
afternoon. Highs in the mid 50s. Northwest winds 10 to 20 mph.
Chance of precipitation 90 percent.
.SATURDAY NIGHT...Slight chance of thunderstorms in the evening.
Rain showers through the night. Some thunderstorms may produce
heavy rainfall early in the evening. Lows in the mid 40s.
Northwest winds 5 to 15 mph. Chance of precipitation 90 percent.
.SUNDAY...Rain showers likely in the morning, then chance of rain
showers in the afternoon. Highs in the upper 50s. Northwest winds
5 to 10 mph. Chance of precipitation 60 percent.
.SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
showers in the evening. Lows in the mid 40s. West winds 5 to
10 mph.
.MONDAY...Sunny. Highs in the mid 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs around 70.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Sunny. Highs in the lower 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the lower 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the mid 70s.

$$

MTZ141-191500-
Northern Sweet Grass-
Including the city of Big Timber
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Chance of thunderstorms in the evening. Rain showers
through the night. Slight chance of thunderstorms overnight.
Patchy fog after 3 am. Some thunderstorms may produce heavy
rainfall in the evening. Some thunderstorms may produce heavy
rainfall overnight. Lows in the lower 50s. North winds 5 to
10 mph. Chance of precipitation 100 percent.
.SATURDAY...Cooler. Rain showers and chance of thunderstorms.
Some thunderstorms may produce heavy rainfall early in the
morning. Some thunderstorms may produce heavy rainfall in the
late morning and afternoon. Highs in the upper 50s. North winds
5 to 15 mph. Chance of precipitation 100 percent.
.SATURDAY NIGHT...Rain showers in the evening and overnight, then
rain showers likely after 3 am. Lows in the upper 40s. Northwest
winds 5 to 10 mph. Chance of precipitation 90 percent.
.SUNDAY...Mostly cloudy. Chance of rain showers in the morning,
then slight chance of rain showers in the afternoon. Highs in the
mid 60s. Northwest winds 5 to 10 mph. Chance of precipitation
50 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 40s. Southeast
winds 5 to 10 mph in the evening becoming light overnight.
.MONDAY...Sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the upper 70s.

$$

MTZ034-191500-
Northern Stillwater-
Including the cities of Columbus and Absarokee
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers and slight chance of thunderstorms
overnight. Some thunderstorms may produce heavy rainfall in the
evening. Some thunderstorms may produce heavy rainfall overnight.
Lows in the lower 50s. North winds 5 to 10 mph. Chance of
precipitation 100 percent.
.SATURDAY...Cooler. Rain showers and chance of thunderstorms.
Some thunderstorms may produce heavy rainfall early in the
morning. Some thunderstorms may produce heavy rainfall in the
late morning and afternoon. Highs in the upper 50s. North winds
5 to 15 mph. Chance of precipitation 100 percent.
.SATURDAY NIGHT...Slight chance of thunderstorms early in the
evening. Rain showers in the evening and overnight, then rain
showers likely after 3 am. Some thunderstorms may produce heavy
rainfall early in the evening. Lows in the upper 40s. Northwest
winds 10 to 20 mph. Chance of precipitation 90 percent.
.SUNDAY...Rain showers likely in the morning, then chance of rain
showers in the afternoon. Highs in the mid 60s. Northwest winds
5 to 10 mph. Chance of precipitation 60 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 40s. Northeast
winds 5 to 10 mph in the evening becoming light overnight.
.MONDAY...Decreasing clouds. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 40s.
.FRIDAY...Mostly sunny. Highs around 80.

$$

MTZ139-191500-
Southeastern Carbon-
Including the city of Bridger
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Chance of thunderstorms in the evening. Rain showers
through the night. Slight chance of thunderstorms overnight. Some
thunderstorms may produce heavy rainfall in the evening. Some
thunderstorms may produce heavy rainfall overnight. Lows in the
lower 50s. Northwest winds 10 to 20 mph. Chance of precipitation
90 percent.
.SATURDAY...Rain showers and slight chance of thunderstorms in
the morning, then rain showers and chance of thunderstorms in the
afternoon. Cooler. Some thunderstorms may produce heavy rainfall
in the morning. Some thunderstorms may produce heavy rainfall in
the afternoon. Highs in the lower 60s. North winds 10 to 20 mph.
Chance of precipitation 90 percent.
.SATURDAY NIGHT...Slight chance of thunderstorms in the evening.
Rain showers through the night. Some thunderstorms may produce
heavy rainfall early in the evening. Lows in the upper 40s.
Northwest winds 10 to 20 mph. Chance of precipitation 80 percent.
.SUNDAY...Rain showers likely in the morning, then chance of rain
showers in the afternoon. Patchy fog late in the morning. Highs
in the lower 60s. Northwest winds 5 to 10 mph. Chance of
precipitation 60 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows in the upper 40s. North winds
5 to 10 mph in the evening shifting to the southwest overnight.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Mostly sunny. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs around 80.

$$

MTZ170-191500-
Northern Carbon-
Including the cities of Joliet and Fromberg
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers and slight chance of thunderstorms
overnight. Some thunderstorms may produce heavy rainfall in the
evening. Some thunderstorms may produce heavy rainfall overnight.
Lows in the lower 50s. North winds 5 to 15 mph. Chance of
precipitation 90 percent.
.SATURDAY...Rain showers and slight chance of thunderstorms in
the morning, then rain showers and chance of thunderstorms in the
afternoon. Cooler. Some thunderstorms may produce heavy rainfall
in the morning. Some thunderstorms may produce heavy rainfall in
the afternoon. Highs in the upper 50s. North winds 5 to 15 mph.
Chance of precipitation 100 percent.
.SATURDAY NIGHT...Rain showers and slight chance of thunderstorms
early in the evening, then rain showers in the late evening and
overnight. Some thunderstorms may produce heavy rainfall early in
the evening. Lows in the upper 40s. Northwest winds 10 to 20 mph.
Chance of precipitation 90 percent.
.SUNDAY...Rain showers likely in the morning, then chance of rain
showers in the afternoon. Slight chance of thunderstorms late in
the afternoon. Some thunderstorms may produce heavy rainfall late
in the afternoon. Highs in the lower 60s. Northwest winds 5 to
10 mph. Chance of precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 40s. Northeast
winds 5 to 10 mph in the evening becoming light overnight.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear. Lows around 50.
.FRIDAY...Mostly sunny. Highs in the upper 70s.

$$

MTZ172-191500-
Melville Foothills-
Including the city of Melville
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers and slight chance of thunderstorms
overnight. Some thunderstorms may produce heavy rainfall in the
evening. Some thunderstorms may produce heavy rainfall overnight.
Lows around 50. North winds 5 to 15 mph. Chance of precipitation
100 percent.
.SATURDAY...Cooler. Rain showers and chance of thunderstorms.
Some thunderstorms may produce heavy rainfall early in the
morning. Some thunderstorms may produce heavy rainfall in the
late morning and afternoon. Highs in the mid 50s. North winds
5 to 15 mph. Chance of precipitation 100 percent.
.SATURDAY NIGHT...Rain showers in the evening and overnight, then
chance of rain showers after 3 am. Lows in the upper 40s.
Northwest winds 5 to 15 mph. Chance of precipitation 90 percent.
.SUNDAY...Mostly cloudy. Chance of rain showers in the morning
and early afternoon, then chance of rain showers and slight
chance of thunderstorms late in the afternoon. Some thunderstorms
may produce heavy rainfall late in the afternoon. Highs in the
lower 60s. Northwest winds 5 to 10 mph in the morning shifting to
the northeast in the afternoon. Chance of precipitation
50 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows in the upper 40s. Southwest
winds 5 to 10 mph.
.MONDAY...Sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Sunny. Highs in the lower 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the mid 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the mid 70s.

$$

MTZ228-191500-
Southern Wheatland-
Including the city of Harlowton
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers likely and chance of thunderstorms early
in the evening, then rain showers and slight chance of
thunderstorms in the late evening and overnight. Some
thunderstorms may produce heavy rainfall. Lows in the lower 50s.
North winds 5 to 15 mph. Chance of precipitation 100 percent.
.SATURDAY...Rain showers and slight chance of thunderstorms.
Cooler. Some thunderstorms may produce heavy rainfall. Highs in
the upper 50s. North winds 5 to 15 mph. Chance of precipitation
100 percent.
.SATURDAY NIGHT...Rain showers in the evening, then rain showers
likely overnight. Lows in the upper 40s. Northwest winds 5 to
15 mph. Chance of precipitation 80 percent.
.SUNDAY...Mostly cloudy. Chance of rain showers in the morning,
then slight chance of rain showers in the afternoon. Slight
chance of thunderstorms late in the afternoon. Some thunderstorms
may produce heavy rainfall late in the afternoon. Highs in the
mid 60s. North winds 5 to 10 mph. Chance of precipitation
50 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 40s. South winds
5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 40s.
.FRIDAY...Mostly sunny. Highs in the upper 70s.

$$

MTZ063-191500-
Judith Gap-
Including the city of Judith Gap
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers likely and chance of thunderstorms in the
evening, then rain showers and slight chance of thunderstorms
overnight. Some thunderstorms may produce heavy rainfall early in
the evening. Some thunderstorms may produce heavy rainfall in the
late evening and overnight. Lows around 50. Northwest winds 5 to
15 mph. Chance of precipitation 90 percent.
.SATURDAY...Rain showers in the morning, then rain showers and
slight chance of thunderstorms in the afternoon. Cooler. Some
thunderstorms may produce heavy rainfall in the afternoon. Highs
in the upper 50s. North winds 10 to 20 mph. Chance of
precipitation 90 percent.
.SATURDAY NIGHT...Rain showers likely in the evening, then rain
showers overnight. Rain showers likely after 3 am. Lows in the
mid 40s. Northwest winds 5 to 15 mph. Chance of precipitation
80 percent.
.SUNDAY...Decreasing clouds. Chance of rain showers in the
morning, then slight chance of rain showers in the afternoon.
Slight chance of thunderstorms late in the afternoon. Some
thunderstorms may produce heavy rainfall late in the afternoon.
Highs in the lower 60s. North winds 5 to 15 mph. Chance of
precipitation 40 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 40s. Southeast
winds 5 to 15 mph.
.MONDAY...Decreasing clouds. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Sunny. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the mid 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.FRIDAY...Mostly sunny. Highs in the mid 70s.

$$

MTZ042-191500-
Golden Valley-
Including the cities of Ryegate and Lavina
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Chance of thunderstorms in the evening. Rain showers
through the night. Slight chance of thunderstorms overnight. Some
thunderstorms may produce heavy rainfall in the evening. Some
thunderstorms may produce heavy rainfall overnight. Lows in the
lower 50s. North winds 5 to 15 mph. Chance of precipitation
90 percent.
.SATURDAY...Rain showers and slight chance of thunderstorms in
the morning, then rain showers and chance of thunderstorms in the
afternoon. Cooler. Some thunderstorms may produce heavy rainfall
in the morning. Some thunderstorms may produce heavy rainfall in
the afternoon. Highs in the upper 50s. Northeast winds 10 to
20 mph. Chance of precipitation 90 percent.
.SATURDAY NIGHT...Slight chance of thunderstorms in the evening.
Rain showers in the evening and overnight, then chance of rain
showers after 3 am. Some thunderstorms may produce heavy rainfall
in the evening. Lows around 50. North winds 5 to 15 mph. Chance
of precipitation 90 percent.
.SUNDAY...Rain showers likely in the morning, then chance of rain
showers in the afternoon. Highs in the lower 60s. North winds
5 to 10 mph. Chance of precipitation 60 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows in the upper 40s. Southeast
winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows around 50.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear. Lows around 50.
.FRIDAY...Mostly sunny. Highs in the upper 70s.

$$

MTZ029-191500-
Musselshell-
Including the city of Roundup
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Chance of rain showers in the evening. Chance of
thunderstorms through the night. Rain showers overnight. Some
thunderstorms may produce heavy rainfall early in the evening.
Some thunderstorms may produce heavy rainfall late in the
evening. Some thunderstorms may produce heavy rainfall overnight.
Lows in the lower 50s. North winds 5 to 15 mph. Chance of
precipitation 90 percent.
.SATURDAY...Rain showers and slight chance of thunderstorms in
the morning, then rain showers and chance of thunderstorms in the
afternoon. Cooler. Some thunderstorms may produce heavy rainfall
in the morning. Some thunderstorms may produce heavy rainfall in
the afternoon. Highs in the upper 50s. North winds 10 to 20 mph.
Chance of precipitation 100 percent.
.SATURDAY NIGHT...Slight chance of thunderstorms in the evening.
Rain showers in the evening and overnight, then rain showers
likely after 3 am. Some thunderstorms may produce heavy rainfall
in the evening. Lows in the lower 50s. North winds 5 to 15 mph.
Chance of precipitation 90 percent.
.SUNDAY...Rain showers in the morning, then chance of rain
showers in the afternoon. Highs in the lower 60s. North winds
5 to 15 mph. Chance of precipitation 80 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows in the upper 40s. Northeast
winds 5 to 10 mph in the evening becoming light overnight.
.MONDAY...Decreasing clouds. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs around 80.

$$

MTZ235-191500-
Southwestern Yellowstone-
Including the city of Billings
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers likely and slight chance of
thunderstorms overnight. Rain showers and chance of thunderstorms
after 3 am. Some thunderstorms may produce heavy rainfall. Lows
in the mid 50s. North winds 5 to 15 mph. Chance of precipitation
100 percent.
.SATURDAY...Cooler. Rain showers and chance of thunderstorms.
Some thunderstorms may produce heavy rainfall early in the
morning. Some thunderstorms may produce heavy rainfall in the
late morning and afternoon. Highs in the lower 60s. North winds
5 to 15 mph. Chance of precipitation 100 percent.
.SATURDAY NIGHT...Chance of thunderstorms in the evening. Rain
showers through the night. Some thunderstorms may produce heavy
rainfall early in the evening. Some thunderstorms may produce
heavy rainfall late in the evening. Lows in the lower 50s. North
winds 10 to 20 mph. Chance of precipitation 90 percent.
.SUNDAY...Rain showers in the morning, then chance of rain
showers in the afternoon. Slight chance of thunderstorms late in
the afternoon. Some thunderstorms may produce heavy rainfall late
in the afternoon. Highs in the lower 60s. Northwest winds 5 to
15 mph. Chance of precipitation 80 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows around 50. Northeast winds
5 to 10 mph in the evening shifting to the southeast overnight.
.MONDAY...Decreasing clouds. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Mostly sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs around 80.

&&
                  TEMPERATURE         /       PRECIPITATION

Billings     56     61     53     63  / 100    100     90     80


$$

MTZ173-191500-
Northeastern Yellowstone-
Including the cities of Custer and Pompeys Pillar
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers likely in the evening. Chance of
thunderstorms through the night. Rain showers overnight. Some
thunderstorms may produce heavy rainfall. Lows in the upper 50s.
North winds 5 to 10 mph. Chance of precipitation 100 percent.
.SATURDAY...Cooler. Rain showers and chance of thunderstorms.
Some thunderstorms may produce heavy rainfall early in the
morning. Some thunderstorms may produce heavy rainfall in the
late morning and afternoon. Highs in the lower 60s. North winds
5 to 15 mph. Chance of precipitation 100 percent.
.SATURDAY NIGHT...Chance of thunderstorms in the evening. Rain
showers through the night. Some thunderstorms may produce heavy
rainfall early in the evening. Some thunderstorms may produce
heavy rainfall late in the evening. Lows in the mid 50s. North
winds 5 to 15 mph. Chance of precipitation 90 percent.
.SUNDAY...Rain showers in the morning, then rain showers likely
in the afternoon. Slight chance of thunderstorms late in the
afternoon. Some thunderstorms may produce heavy rainfall late in
the afternoon. Highs in the mid 60s. North winds 5 to 15 mph.
Chance of precipitation 90 percent.
.SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
showers in the evening. Lows around 50. Northeast winds 5 to
10 mph in the evening becoming light overnight.
.MONDAY...Decreasing clouds. Highs in the mid 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs around 80.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly sunny. Highs around 80.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the lower 80s.

$$

MTZ057-191500-
Northern Big Horn-
Including the cities of Hardin and Crow Agency
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers likely and chance of thunderstorms early
in the evening, then rain showers and chance of thunderstorms in
the late evening and overnight. Patchy fog overnight. Some
thunderstorms may produce heavy rainfall. Lows in the mid 50s.
North winds 5 to 10 mph. Chance of precipitation 90 percent.
.SATURDAY...Rain showers and chance of thunderstorms. Cooler.
Some thunderstorms may produce heavy rainfall. Highs in the mid
60s. North winds 5 to 15 mph. Chance of precipitation
100 percent.
.SATURDAY NIGHT...Chance of thunderstorms in the evening. Rain
showers through the night. Some thunderstorms may produce heavy
rainfall in the evening. Lows around 50. North winds 5 to 15 mph.
Chance of precipitation 90 percent.
.SUNDAY...Rain showers in the morning and early afternoon, then
rain showers and slight chance of thunderstorms late in the
afternoon. Some thunderstorms may produce heavy rainfall late in
the afternoon. Highs in the mid 60s. Northwest winds 5 to 15 mph.
Chance of precipitation 80 percent.
.SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
showers in the evening. Lows in the upper 40s. North winds 5 to
10 mph in the evening becoming light overnight.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Sunny. Highs around 80.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs around 80.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.FRIDAY...Mostly sunny. Highs in the lower 80s.

&&
                  TEMPERATURE         /       PRECIPITATION

Hardin       54     64     50     64  /  90    100     90     80


$$

MTZ138-191500-
Southern Big Horn-
Including the cities of Pryor and Lodge Grass
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers and chance of thunderstorms through the
night. Patchy fog overnight. Some thunderstorms may produce heavy
rainfall in the evening and overnight. Some thunderstorms may
produce heavy rainfall after 3 am. Lows in the mid 50s. South
winds 5 to 10 mph in the evening becoming light overnight. Chance
of precipitation 90 percent.
.SATURDAY...Cooler. Patchy fog in the morning. Slight chance of
thunderstorms in the morning. Rain showers through the day.
Chance of thunderstorms in the afternoon. Some thunderstorms may
produce heavy rainfall in the morning. Some thunderstorms may
produce heavy rainfall in the afternoon. Highs in the mid 60s.
North winds 5 to 10 mph. Chance of precipitation 90 percent.
.SATURDAY NIGHT...Rain showers and chance of thunderstorms early
in the evening, then chance of rain showers and slight chance of
thunderstorms late in the evening. Rain showers likely overnight.
Some thunderstorms may produce heavy rainfall in the evening.
Lows in the upper 40s. Northwest winds 5 to 15 mph. Chance of
precipitation 90 percent.
.SUNDAY...Rain showers likely in the morning and early afternoon,
then rain showers likely and slight chance of thunderstorms late
in the afternoon. Some thunderstorms may produce heavy rainfall
late in the afternoon. Highs in the mid 60s. Northwest winds 5 to
15 mph. Chance of precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. A 40 percent chance of rain
showers in the evening. Lows in the upper 40s. Northwest winds
5 to 10 mph in the evening becoming light overnight.
.MONDAY...Mostly sunny. Highs in the mid 70s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Sunny. Highs around 80.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows around 50.
.FRIDAY...Mostly sunny. Highs in the mid 80s.

$$

MTZ171-191500-
Pryor/Northern Bighorn Mountains-
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Chance of thunderstorms in the evening. Rain showers
through the night. Slight chance of thunderstorms overnight. Some
thunderstorms may produce heavy rainfall in the evening. Some
thunderstorms may produce heavy rainfall overnight. Lows in the
mid 40s. East winds 5 to 15 mph. Chance of precipitation
80 percent.
.SATURDAY...Rain showers and slight chance of thunderstorms in
the morning, then rain showers and chance of thunderstorms in the
afternoon. Patchy fog late in the morning. Cooler. Some
thunderstorms may produce heavy rainfall in the morning. Some
thunderstorms may produce heavy rainfall in the afternoon. Highs
in the upper 40s. Northwest winds 5 to 10 mph. Chance of
precipitation 100 percent.
.SATURDAY NIGHT...Slight chance of thunderstorms in the evening.
Rain showers through the night. Some thunderstorms may produce
heavy rainfall early in the evening. Lows in the lower 40s.
Northwest winds 5 to 15 mph. Chance of precipitation 90 percent.
.SUNDAY...Rain showers likely in the morning, then chance of rain
showers in the afternoon. Slight chance of thunderstorms late in
the afternoon. Some thunderstorms may produce heavy rainfall late
in the afternoon. Highs in the mid 40s. Northwest winds 5 to
10 mph. Chance of precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows in the lower 40s. Northwest
winds 5 to 10 mph in the evening shifting to the southwest
overnight.
.MONDAY...Mostly sunny. Highs in the mid 50s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Sunny. Highs around 60.
.TUESDAY NIGHT...Partly cloudy. Lows around 50.
.WEDNESDAY...Mostly sunny. Highs in the lower 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50.
.THURSDAY...Sunny. Highs in the lower 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the lower 60s.

$$

MTZ169-191500-
Bighorn Canyon-
Including the city of Fort Smith
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Chance of thunderstorms in the evening. Rain showers
through the night. Slight chance of thunderstorms overnight.
Patchy fog overnight. Some thunderstorms may produce heavy
rainfall in the evening. Some thunderstorms may produce heavy
rainfall overnight. Lows in the mid 50s. Northwest winds 5 to
10 mph. Chance of precipitation 80 percent.
.SATURDAY...Cooler. Patchy fog early in the morning. Slight
chance of thunderstorms in the morning. Rain showers through the
day. Chance of thunderstorms in the afternoon. Some thunderstorms
may produce heavy rainfall in the morning. Some thunderstorms may
produce heavy rainfall in the afternoon. Highs in the mid 60s.
Northwest winds 5 to 15 mph. Chance of precipitation 90 percent.
.SATURDAY NIGHT...Rain showers and chance of thunderstorms early
in the evening, then rain showers likely in the late evening and
overnight. Some thunderstorms may produce heavy rainfall early in
the evening. Lows around 50. Northwest winds 5 to 15 mph. Chance
of precipitation 90 percent.
.SUNDAY...Rain showers in the morning, then rain showers likely
in the afternoon. Slight chance of thunderstorms late in the
afternoon. Some thunderstorms may produce heavy rainfall late in
the afternoon. Highs in the mid 60s. Northwest winds 5 to 15 mph.
Chance of precipitation 80 percent.
.SUNDAY NIGHT...Mostly cloudy. A 30 percent chance of rain
showers in the evening. Lows in the upper 40s. West winds 5 to
10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Mostly sunny. Highs around 80.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.FRIDAY...Mostly sunny. Highs in the lower 80s.

$$

MTZ030-191500-
Treasure-
Including the city of Hysham
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Chance of rain showers in the evening. Chance of
thunderstorms through the night. Rain showers overnight. Some
thunderstorms may produce heavy rainfall early in the evening.
Some thunderstorms may produce heavy rainfall in the late evening
and overnight. Lows in the upper 50s. North winds 5 to 10 mph.
Chance of precipitation 90 percent.
.SATURDAY...Cooler. Rain showers and chance of thunderstorms.
Some thunderstorms may produce heavy rainfall early in the
morning. Some thunderstorms may produce heavy rainfall in the
late morning and afternoon. Highs in the lower 60s. Northeast
winds 5 to 15 mph. Chance of precipitation 100 percent.
.SATURDAY NIGHT...Rain showers and slight chance of thunderstorms
in the evening, then rain showers likely overnight. Rain showers
after 3 am. Some thunderstorms may produce heavy rainfall in the
evening. Lows in the mid 50s. Northeast winds 5 to 15 mph. Chance
of precipitation 90 percent.
.SUNDAY...Rain showers in the morning and early afternoon, then
rain showers and slight chance of thunderstorms late in the
afternoon. Some thunderstorms may produce heavy rainfall late in
the afternoon. Highs in the lower 60s. Northeast winds 5 to
10 mph. Chance of precipitation 90 percent.
.SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
showers in the evening. Lows in the lower 50s. Northeast winds
5 to 10 mph in the evening becoming light overnight.
.MONDAY...Decreasing clouds. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Mostly sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the lower 80s.

$$

MTZ031-191500-
Northern Rosebud-
Including the cities of Colstrip and Forsyth
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Chance of rain showers in the evening. Chance of
thunderstorms through the night. Rain showers overnight. Some
thunderstorms may produce heavy rainfall early in the evening.
Some thunderstorms may produce heavy rainfall in the late evening
and overnight, then some thunderstorms may produce heavy rainfall
after 3 am. Lows in the upper 50s. Northeast winds 5 to 10 mph.
Chance of precipitation 80 percent.
.SATURDAY...Rain showers and chance of thunderstorms. Cooler.
Some thunderstorms may produce heavy rainfall. Highs in the mid
60s. Northeast winds 5 to 15 mph. Chance of precipitation
100 percent.
.SATURDAY NIGHT...Rain showers and slight chance of thunderstorms
in the evening, then rain showers overnight. Some thunderstorms
may produce heavy rainfall in the evening. Lows in the lower 50s.
East winds 5 to 15 mph. Chance of precipitation 100 percent.
.SUNDAY...Rain showers in the morning and early afternoon, then
rain showers and slight chance of thunderstorms late in the
afternoon. Some thunderstorms may produce heavy rainfall late in
the afternoon. Highs in the mid 60s. East winds 5 to 15 mph.
Chance of precipitation 90 percent.
.SUNDAY NIGHT...Mostly cloudy. A 30 percent chance of rain
showers in the evening. Lows around 50. East winds 5 to 10 mph.
.MONDAY...Decreasing clouds. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the lower 80s.

$$

MTZ032-191500-
Custer-
Including the city of Miles City
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Increasing clouds. Chance of showers and slight chance
of thunderstorms in the evening, then showers likely and chance
of thunderstorms overnight. Lows in the upper 50s. Northeast
winds 5 to 15 mph. Chance of precipitation 70 percent.
.SATURDAY...Rain showers likely and slight chance of
thunderstorms early in the morning, then rain showers and slight
chance of thunderstorms in the late morning and afternoon.
Cooler. Highs in the mid 60s. Northeast winds 10 to 20 mph.
Chance of precipitation 90 percent.
.SATURDAY NIGHT...Rain showers likely and slight chance of
thunderstorms early in the evening, then rain showers in the late
evening and overnight. Lows in the mid 50s. East winds 10 to
20 mph. Chance of precipitation 90 percent.
.SUNDAY...Rain showers in the morning, then rain showers and
slight chance of thunderstorms in the afternoon. Highs in the
lower 60s. East winds 10 to 20 mph. Chance of precipitation
90 percent.
.SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
showers in the evening. Lows in the lower 50s. East winds 5 to
15 mph.
.MONDAY...Partly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Mostly sunny. Highs around 80.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s.
.FRIDAY...Mostly sunny. Highs in the lower 80s.

&&
                  TEMPERATURE         /       PRECIPITATION

Miles City   58     64     54     63  /  70     90     90     90


$$

MTZ033-191500-
Fallon-
Including the city of Baker
350 PM MDT Fri Sep 18 2026

.TONIGHT...Increasing clouds. Slight chance of showers and
thunderstorms late in the evening. Chance of rain showers and
slight chance of thunderstorms overnight. Patchy fog after 3 am.
Lows in the lower 50s. Southeast winds 5 to 15 mph. Chance of
precipitation 40 percent.
.SATURDAY...Rain showers. Cooler. Highs in the mid 60s. East
winds 5 to 15 mph. Chance of precipitation 80 percent.
.SATURDAY NIGHT...Rain showers early in the evening, then rain
showers likely in the late evening and overnight. Rain showers
after 3 am. Lows in the upper 40s. East winds 10 to 20 mph.
Chance of precipitation 90 percent.
.SUNDAY...Rain showers in the morning, then rain showers likely
in the afternoon. Highs in the lower 60s. East winds 10 to
20 mph. Chance of precipitation 90 percent.
.SUNDAY NIGHT...Cloudy. A 20 percent chance of rain showers in
the evening. Lows in the mid 40s. Southeast winds 10 to 20 mph.
.MONDAY...Mostly cloudy. Highs in the upper 60s.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.TUESDAY...Decreasing clouds. Highs in the mid 70s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs around 80.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the lower 80s.

&&
                  TEMPERATURE         /       PRECIPITATION

Baker        52     65     48     61  /  40     80     90     90


$$

MTZ058-191500-
Southern Rosebud-
Including the city of Lame Deer
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers and chance of thunderstorms through the
night. Patchy fog after 3 am. Some thunderstorms may produce
heavy rainfall in the evening and overnight. Some thunderstorms
may produce heavy rainfall after 3 am. Lows in the mid 50s.
Northwest winds 5 to 10 mph. Chance of precipitation 80 percent.
.SATURDAY...Areas of fog early in the morning. Patchy fog late in
the morning. Rain showers and slight chance of thunderstorms in
the morning, then rain showers and chance of thunderstorms in the
afternoon. Cooler. Some thunderstorms may produce heavy rainfall
in the morning. Some thunderstorms may produce heavy rainfall in
the afternoon. Highs in the upper 60s. Northeast winds 5 to
10 mph. Chance of precipitation 90 percent.
.SATURDAY NIGHT...Chance of thunderstorms in the evening. Rain
showers through the night. Patchy fog overnight. Some
thunderstorms may produce heavy rainfall early in the evening.
Some thunderstorms may produce heavy rainfall late in the
evening. Lows in the lower 50s. Northeast winds 5 to 10 mph.
Chance of precipitation 90 percent.
.SUNDAY...Patchy fog in the morning. Rain showers in the morning,
then rain showers likely in the afternoon. Slight chance of
thunderstorms late in the afternoon. Some thunderstorms may
produce heavy rainfall late in the afternoon. Highs in the mid
60s. Northwest winds 5 to 10 mph. Chance of precipitation
80 percent.
.SUNDAY NIGHT...Mostly cloudy. A 30 percent chance of rain
showers in the evening. Lows in the upper 40s. Light and variable
winds.
.MONDAY...Decreasing clouds. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Sunny. Highs in the lower 80s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. A 20 percent chance of rain showers in
the afternoon. Highs in the mid 80s.

$$

MTZ036-191500-
Powder River-
Including the city of Broadus
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Chance of showers and thunderstorms in the evening,
then rain showers and slight chance of thunderstorms overnight.
Lows in the upper 50s. Southeast winds 5 to 10 mph in the evening
shifting to the northwest overnight. Chance of precipitation
80 percent.
.SATURDAY...Cooler. Patchy fog early in the morning. Rain showers
and chance of thunderstorms through the day. Highs in the mid
60s. East winds 5 to 10 mph. Chance of precipitation 80 percent.
.SATURDAY NIGHT...Chance of showers and thunderstorms early in
the evening, then slight chance of thunderstorms late in the
evening. Rain showers in the late evening and overnight. Lows in
the mid 50s. East winds 5 to 15 mph. Chance of precipitation
100 percent.
.SUNDAY...Rain showers in the morning and early afternoon, then
rain showers and slight chance of thunderstorms late in the
afternoon. Highs in the lower 60s. Southeast winds 5 to 10 mph.
Chance of precipitation 90 percent.
.SUNDAY NIGHT...Cloudy. A 50 percent chance of rain showers in
the evening. Lows around 50. East winds 5 to 10 mph.
.MONDAY...Decreasing clouds. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.WEDNESDAY...Mostly sunny. A 20 percent chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.FRIDAY...Mostly sunny. A 20 percent chance of rain showers in
the afternoon. Highs in the lower 80s.

&&
                  TEMPERATURE         /       PRECIPITATION

Broadus      59     65     54     62  /  80     80    100     90


$$

MTZ037-191500-
Carter-
Including the city of Ekalaka
350 PM MDT Fri Sep 18 2026

.TONIGHT...Mostly cloudy. Slight chance of rain showers late in
the evening. Slight chance of thunderstorms in the late evening
and overnight. Chance of rain showers overnight. Patchy fog
overnight. Lows in the upper 50s. Southeast winds 5 to 10 mph.
Chance of precipitation 50 percent.
.SATURDAY...Cooler. Patchy fog early in the morning. Chance of
rain showers and slight chance of thunderstorms early in the
morning, then rain showers in the late morning and afternoon.
Slight chance of thunderstorms in the afternoon. Highs in the mid
60s. East winds 5 to 15 mph. Chance of precipitation 90 percent.
.SATURDAY NIGHT...Rain showers likely and slight chance of
thunderstorms in the evening, then rain showers overnight. Lows
in the lower 50s. East winds 10 to 20 mph. Chance of
precipitation 90 percent.
.SUNDAY...Rain showers. Highs around 60. Southeast winds 10 to
20 mph. Chance of precipitation 100 percent.
.SUNDAY NIGHT...Rain showers likely in the evening. Lows around
50. Southeast winds 5 to 15 mph. Chance of precipitation
60 percent.
.MONDAY...Decreasing clouds. Highs in the mid 60s.
.MONDAY NIGHT...Partly cloudy. Lows around 50.
.TUESDAY...Decreasing clouds. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Mostly sunny. A 20 percent chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.FRIDAY...Mostly sunny. Highs in the upper 70s.

$$

WYZ198-191500-
Northeast Bighorn Mountains-
Including the city of Burgess Jct
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers and chance of thunderstorms in the
evening. Rain showers likely and slight chance of thunderstorms
overnight. Patchy fog in the late evening and overnight. Some
thunderstorms may produce heavy rainfall in the evening. Some
thunderstorms may produce heavy rainfall overnight. Lows in the
lower 40s. South winds 5 to 10 mph. Chance of precipitation
80 percent.
.SATURDAY...Cooler. Patchy fog early in the morning. Chance of
rain showers early in the morning, then rain showers likely and
slight chance of thunderstorms late in the morning. Rain showers
and chance of thunderstorms in the afternoon. Some thunderstorms
may produce heavy rainfall in the late morning and afternoon.
Highs in the lower 50s. Northwest winds 5 to 10 mph. Chance of
precipitation 90 percent.
.SATURDAY NIGHT...Chance of rain showers and slight chance of
thunderstorms early in the evening, then rain showers likely in
the late evening and overnight. Some thunderstorms may produce
heavy rainfall early in the evening. Lows in the mid 30s. West
winds 5 to 10 mph. Chance of precipitation 60 percent.
.SUNDAY...Rain showers likely in the morning, then rain showers
and slight chance of thunderstorms in the afternoon. Some
thunderstorms may produce heavy rainfall in the afternoon. Highs
in the upper 40s. Northwest winds 5 to 15 mph. Chance of
precipitation 90 percent.
.SUNDAY NIGHT...Mostly cloudy. A 30 percent chance of rain
showers in the evening. Lows in the mid 30s. West winds 5 to
10 mph.
.MONDAY...Mostly sunny. A 20 percent chance of rain showers in
the afternoon. Highs in the upper 50s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 30s.
.TUESDAY...Sunny. Highs in the lower 60s.
.TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain
showers overnight. Lows in the lower 40s.
.WEDNESDAY...Mostly sunny. Slight chance of rain showers in the
morning, then chance of rain showers in the afternoon. Highs in
the mid 60s. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s.
.THURSDAY...Sunny. Highs in the mid 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 40s.
.FRIDAY...Mostly sunny. Highs in the upper 60s.

$$

WYZ199-191500-
Sheridan Foothills-
Including the city of Sheridan
350 PM MDT Fri Sep 18 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Rain showers and chance of thunderstorms in the
evening, then chance of rain showers and slight chance of
thunderstorms overnight. Patchy fog overnight. Some thunderstorms
may produce heavy rainfall in the evening. Some thunderstorms may
produce heavy rainfall overnight. Lows in the lower 50s. West
winds 5 to 10 mph. Chance of precipitation 80 percent.
.SATURDAY...Cooler. Patchy fog in the morning. Rain showers
likely and slight chance of thunderstorms in the morning, then
rain showers and chance of thunderstorms in the afternoon. Some
thunderstorms may produce heavy rainfall late in the morning.
Some thunderstorms may produce heavy rainfall in the afternoon.
Highs in the mid 60s. Northwest winds 5 to 10 mph. Chance of
precipitation 100 percent.
.SATURDAY NIGHT...Rain showers and chance of thunderstorms in the
evening, then rain showers likely overnight. Patchy fog
overnight. Some thunderstorms may produce heavy rainfall early in
the evening. Lows in the upper 40s. Northwest winds 5 to 10 mph.
Chance of precipitation 90 percent.
.SUNDAY...Patchy fog early in the morning. Rain showers likely in
the morning, then rain showers and slight chance of thunderstorms
in the afternoon. Some thunderstorms may produce heavy rainfall
in the afternoon. Highs in the lower 60s. Northwest winds 5 to
10 mph. Chance of precipitation 80 percent.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms early in the evening, then chance of rain
showers late in the evening. Lows in the lower 40s. Northwest
winds 5 to 10 mph in the evening becoming light overnight. Chance
of precipitation 40 percent.
.MONDAY...Mostly sunny. A 20 percent chance of rain showers in
the afternoon. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the lower 40s.
.TUESDAY...Sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.FRIDAY...Mostly sunny. Highs in the lower 80s.

&&
                  TEMPERATURE         /       PRECIPITATION

Sheridan WY   51     65     47     63  /  80    100     90     80


$$

weather.gov/billings