Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
436
FPUS55 KTFX 190937
ZFPTFX
Zone Forecast Product for Central and Southwest Montana
National Weather Service Great Falls MT
336 AM MDT Sat Sep 19 2026
Spot temperatures and probabilities of measurable precipitation
are for today, tonight, and Sunday.
MTZ301-192200-
East Glacier Park Region-
Including the cities of East Glacier Park, Kiowa, Babb,
Saint Mary, Marias Pass, and Logan Pass
336 AM MDT Sat Sep 19 2026
.TODAY...Mostly sunny. Highs 57 to 65. East winds up to 10 mph.
Gusts up to 25 mph in the afternoon.
.TONIGHT...Partly cloudy. Lows in the mid 40s. South winds up to
10 mph with gusts to around 25 mph.
.SUNDAY...Sunny. Highs 59 to 69. Southwest winds 5 to 10 mph.
Gusts up to 25 mph in the morning.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. Southwest
winds up to 10 mph with gusts to around 25 mph.
.MONDAY...Sunny. Highs 60 to 70. Southwest winds 5 to 15 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 40s.
Highs 58 to 68.
.TUESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the mid 40s. Highs 57 to 68.
.FRIDAY...Partly sunny. A 20 percent chance of rain in the
afternoon. Highs 54 to 62.
$$
MTZ307-192200-
Southern Rocky Mountain Front-
Including the city of Rogers Pass
336 AM MDT Sat Sep 19 2026
.TODAY...Mostly cloudy. Chance of rain in the morning, then
slight chance of rain early in the afternoon. Highs 52 to 60.
Northeast winds up to 10 mph. Chance of rain 50 percent.
.TONIGHT...Partly cloudy. Lows around 40. East winds up to 5 mph
shifting to the southwest after midnight.
.SUNDAY...Warmer, sunny. Highs 59 to 69. Southwest winds up to
10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. Southwest
winds up to 5 mph.
.MONDAY...Sunny. Highs 62 to 72. West winds up to 10 mph.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the mid
40s. Highs 61 to 71.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the upper
40s. Highs 58 to 68.
$$
MTZ302-192200-
Northern High Plains-
Including the cities of Browning, Heart Butte, and Dupuyer
336 AM MDT Sat Sep 19 2026
.TODAY...Partly sunny in the morning then clearing. Highs in the
mid 60s. South winds up to 5 mph shifting to the southeast 5 to
15 mph in the afternoon.
.TONIGHT...Mostly clear. Lows in the mid 40s. South winds up to
10 mph with gusts to around 25 mph.
.SUNDAY...Sunny. Highs in the lower 70s. South winds up to
10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. Southwest
winds up to 10 mph.
.MONDAY...Sunny. Highs in the mid 70s. Southwest winds 5 to
10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 40s.
Highs in the lower 70s.
.TUESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the upper 40s. Highs in the lower 70s.
.FRIDAY...Partly sunny. Highs in the mid 60s.
$$
MTZ308-192200-
Southern High Plains-
Including the cities of Bynum, Choteau, and Pendroy
336 AM MDT Sat Sep 19 2026
.TODAY...Mostly cloudy. Chance of rain early in the morning, then
slight chance of rain late in the morning. Highs in the mid 60s.
North winds up to 10 mph shifting to the east in the afternoon.
Chance of rain 50 percent.
.TONIGHT...Mostly cloudy in the evening then clearing. Lows in
the mid 40s. Southeast winds up to 5 mph shifting to the
southwest after midnight.
.SUNDAY...Sunny. Highs in the lower 70s. Southwest winds up to
5 mph shifting to the southeast in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast
winds up to 10 mph shifting to the southwest after midnight.
.MONDAY...Sunny. Highs in the upper 70s. Southwest winds up to
10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 40s.
Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows around 50.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the upper
70s. Lows around 50.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs in the mid 70s.
Lows around 50.
$$
MTZ303-192200-
Eastern Glacier, Western Toole, and Central Pondera-
Including the cities of Cut Bank, Ethridge, and Santa Rita
336 AM MDT Sat Sep 19 2026
.TODAY...Mostly sunny. Highs in the upper 60s. East winds up to
5 mph shifting to the southeast 5 to 15 mph in the afternoon.
.TONIGHT...Mostly clear. Lows in the mid 40s. South winds up to
15 mph.
.SUNDAY...Sunny. Highs in the lower 70s. South winds up to
15 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. South winds up
to 15 mph.
.MONDAY...Sunny. Highs in the mid 70s. South winds up to 15 mph.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows in the
upper 40s. Highs in the lower 70s.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs in the mid
70s. Lows in the upper 40s.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain
in the evening, then mostly cloudy after midnight. Lows in the
upper 40s.
.FRIDAY...Partly sunny. Highs in the upper 60s.
&&
TEMPERATURE / PRECIPITATION
Cut Bank 68 43 73 / 0 0 0
$$
MTZ304-192200-
Eastern Toole and Liberty-
Including the cities of Devon, Shelby, Chester, Galata, Joplin,
Lothair, and Whitlash
336 AM MDT Sat Sep 19 2026
.TODAY...Mostly cloudy early in the morning then becoming mostly
sunny. Highs in the upper 60s. East winds up to 10 mph.
.TONIGHT...Partly cloudy. Lows in the mid 40s. Southeast winds up
to 10 mph with gusts to around 25 mph.
.SUNDAY...Sunny. Highs in the lower 70s. Southeast winds up to
15 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast
winds 5 to 15 mph.
.MONDAY...Sunny. Highs 73 to 79. South winds up to 15 mph.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows in the
upper 40s. Highs 72 to 78.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50.
.THURSDAY...Mostly sunny. Highs 72 to 78.
.THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain in
the evening. Lows in the upper 40s.
.FRIDAY...Mostly sunny. Highs 67 to 73.
$$
MTZ305-192200-
Hill County-
Including the city of Havre
336 AM MDT Sat Sep 19 2026
.TODAY...Partly sunny. Highs around 70. East winds 5 to 10 mph.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the mid 40s. East winds up to 10 mph.
.SUNDAY...Mostly sunny. Patchy fog in the morning. Highs in the
lower 70s. Southeast winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. Southeast
winds 5 to 15 mph.
.MONDAY...Sunny. Highs in the upper 70s. Southeast winds up to
15 mph.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the upper
40s. Highs in the upper 70s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 50. Highs
in the mid 70s.
&&
TEMPERATURE / PRECIPITATION
Havre 73 46 74 / 0 0 0
$$
MTZ306-192200-
Northern Blaine County-
Including the cities of Chinook, Zurich, Harlem, Hogeland,
and Fort Belknap
336 AM MDT Sat Sep 19 2026
.TODAY...Partly sunny. Highs in the upper 60s. East winds 5 to
15 mph.
.TONIGHT...Mostly cloudy. Lows in the upper 40s. East winds 5 to
10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 60s. Southeast winds
5 to 15 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. Southeast
winds 5 to 15 mph.
.MONDAY...Partly sunny in the morning then clearing. Highs in the
lower 70s. Southeast winds 10 to 20 mph.
.MONDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows around
50. Highs in the upper 70s.
.FRIDAY...Mostly sunny. Highs in the upper 70s.
$$
MTZ309-192200-
Eastern Pondera and Eastern Teton-
Including the cities of Brady, Conrad, and Ledger
336 AM MDT Sat Sep 19 2026
.TODAY...Mostly cloudy. Highs in the upper 60s. Northeast winds
up to 10 mph shifting to the east in the afternoon.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the mid 40s. Southeast winds up to 10 mph
shifting to the south after midnight.
.SUNDAY...Sunny. Highs in the lower 70s. South winds up to
10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. Southeast
winds up to 10 mph.
.MONDAY...Sunny. Highs in the upper 70s. South winds up to
10 mph.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the upper
40s. Highs in the upper 70s.
.THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain in
the evening. Lows in the upper 40s.
.FRIDAY...Mostly sunny. Highs in the mid 70s.
$$
MTZ310-192200-
Western and Central Chouteau County-
Including the cities of Floweree, Carter, and Fort Benton
336 AM MDT Sat Sep 19 2026
.TODAY...Mostly cloudy. Highs in the upper 60s. East winds up to
10 mph.
.TONIGHT...Mostly cloudy. Lows in the upper 40s. Southeast winds
up to 10 mph.
.SUNDAY...Partly sunny in the morning then clearing. Highs in the
lower 70s. Southeast winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast
winds 5 to 15 mph.
.MONDAY...Sunny. Highs in the upper 70s. Southeast winds up to
10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows around 50. Highs
in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs around 80. Lows
in the lower 50s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the lower
50s. Highs in the upper 70s.
$$
MTZ311-192200-
Bears Paw Mountains and Southern Blaine-
Including the city of Rocky Boy
336 AM MDT Sat Sep 19 2026
.TODAY...Mostly cloudy. Highs 64 to 70. East winds up to 10 mph.
.TONIGHT...Mostly cloudy. A 20 percent chance of rain after
midnight. Lows in the upper 40s. East winds up to 10 mph.
.SUNDAY...Mostly cloudy in the morning then becoming mostly
sunny. Highs 64 to 70. Southeast winds up to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. Southeast
winds 5 to 15 mph.
.MONDAY...Mostly sunny. Highs 70 to 76. Southeast winds 5 to
15 mph.
.MONDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in the
lower 50s. Highs 74 to 81.
.FRIDAY...Mostly sunny. Highs 74 to 80.
$$
MTZ312-192200-
Cascade County below 5000ft-
Including the city of Great Falls
336 AM MDT Sat Sep 19 2026
.TODAY...Cloudy. Chance of rain early in the morning, then slight
chance of rain in the late morning and afternoon. Highs in the
upper 60s. Northeast winds up to 10 mph. Chance of rain
50 percent.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the upper 40s. Southeast winds up to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s. South winds up to
5 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast
winds up to 10 mph.
.MONDAY...Sunny. Highs in the upper 70s. Southwest winds up to
10 mph.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the lower
50s. Highs in the upper 70s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the lower
50s. Highs in the upper 70s.
&&
TEMPERATURE / PRECIPITATION
Great Falls Arpt 68 47 74 / 20 0 0
$$
MTZ313-192200-
Judith Basin County and Judith Gap-
Including the cities of Raynesford, Geyser, Stanford, Windham,
Benchland, Hobson, and Moccasin
336 AM MDT Sat Sep 19 2026
.TODAY...Cooler. Cloudy with a 50 percent chance of rain. Highs
in the lower 60s. Northeast winds up to 10 mph.
.TONIGHT...Cloudy with a 50 percent chance of rain. Lows in the
mid 40s. Southeast winds up to 10 mph shifting to the southwest
after midnight.
.SUNDAY...Mostly sunny. A 20 percent chance of rain in the
morning. Highs in the upper 60s. South winds up to 5 mph shifting
to the east in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. South winds
5 to 10 mph with gusts to around 25 mph.
.MONDAY...Sunny. Highs in the mid 70s. South winds up to 10 mph.
.MONDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows around
50. Highs in the upper 70s.
.FRIDAY...Mostly sunny. Highs in the upper 70s.
$$
MTZ314-192200-
Fergus County below 4500ft-
Including the cities of Hilger and Lewistown
336 AM MDT Sat Sep 19 2026
.TODAY...Cloudy with a 50 percent chance of rain. Highs 61 to 67.
Northeast winds up to 10 mph with gusts to around 25 mph.
.TONIGHT...Cloudy with a 50 percent chance of rain. Lows 46 to
52. East winds up to 10 mph.
.SUNDAY...Mostly cloudy with a 50 percent chance of rain. Highs
62 to 68. East winds up to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 45 to 51. Southeast winds
5 to 15 mph.
.MONDAY...Sunny. Highs in the mid 70s. Southeast winds up to
10 mph with gusts to around 25 mph.
.MONDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in the
lower 50s. Highs around 80.
.FRIDAY...Mostly sunny. Highs around 80.
&&
TEMPERATURE / PRECIPITATION
Lewistown 61 45 65 / 70 70 50
$$
MTZ315-192200-
Upper Blackfoot and MacDonald Pass-
Including the cities of Marysville, Lincoln, Flesher Pass,
and MacDonald Pass
336 AM MDT Sat Sep 19 2026
.TODAY...Rain showers in the morning. Slight chance of
thunderstorms through the day. Chance of rain showers in the
afternoon. Highs 51 to 61. Northeast winds up to 10 mph. Chance
of precipitation near 100 percent.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 39 to 45. Northeast winds up to 5 mph shifting to
the west after midnight.
.SUNDAY...Warmer. Mostly sunny. Highs 61 to 69. Southwest winds
up to 5 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. Southwest
winds up to 5 mph.
.MONDAY...Sunny. Highs 65 to 73. Southwest winds up to 10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 40s.
Highs 65 to 73.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 66 to 74.
Lows 45 to 51.
.FRIDAY...Mostly sunny. Highs 64 to 72.
$$
MTZ316-192200-
Gates of the Mountains-
Including the cities of Canyon Creek, Wolf Creek, and Craig
336 AM MDT Sat Sep 19 2026
.TODAY...Cloudy. Rain likely in the morning, then chance of rain
showers and slight chance of thunderstorms in the afternoon.
Highs 59 to 65. North winds 5 to 10 mph. Chance of precipitation
70 percent.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the mid 40s. Northeast winds up to 5 mph shifting
to the southwest after midnight.
.SUNDAY...Warmer. Mostly sunny. Highs 67 to 73. South winds up to
10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
up to 10 mph.
.MONDAY...Sunny. Highs 71 to 77. South winds up to 15 mph.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows around 50.
Highs 72 to 79.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the lower
50s. Highs 70 to 76.
$$
MTZ317-192200-
Little Belt and Highwood Mountains-
Including the cities of Monarch, Neihart, and Kings Hill Pass
336 AM MDT Sat Sep 19 2026
...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...
.TODAY...Rain likely in the morning, then chance of rain in the
afternoon. Highs 51 to 59. Northeast winds up to 10 mph. Chance
of rain 70 percent.
.TONIGHT...Mostly cloudy with a 50 percent chance of rain. Lows
40 to 46. East winds up to 10 mph shifting to the southeast after
midnight.
.SUNDAY...Warmer. Partly sunny. Highs 58 to 66. South winds up to
10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 40 to 46. South winds up to
10 mph.
.MONDAY...Sunny. Highs 64 to 72. Southwest winds up to 10 mph.
.MONDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows 44 to
53. Highs 65 to 75.
.FRIDAY...Mostly sunny. Highs 66 to 74.
$$
MTZ318-192200-
Snowy and Judith Mountains-
336 AM MDT Sat Sep 19 2026
.TODAY...Cooler. Rain likely in the morning, then rain showers
and slight chance of thunderstorms in the afternoon. Highs 51 to
57. Northeast winds 5 to 10 mph with gusts to around 25 mph.
Chance of precipitation 90 percent.
.TONIGHT...Rain in the evening, then rain likely after midnight.
Patchy fog after midnight. Lows in the mid 40s. Northeast winds
up to 10 mph. Chance of rain 90 percent.
.SUNDAY...Patchy fog in the morning. Mostly cloudy with a
50 percent chance of rain. Highs 54 to 60. Northeast winds up to
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in
the evening, then partly cloudy after midnight. Lows in the lower
40s. Southeast winds up to 10 mph with gusts to around 25 mph.
.MONDAY...Warmer, sunny. Highs 63 to 71. South winds up to
10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 40s.
Highs 67 to 75.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 68 to 77.
Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs 68 to 76.
$$
MTZ319-192200-
Helena Valley-
Including the city of Helena
336 AM MDT Sat Sep 19 2026
...FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON...
.TODAY...Cooler. Rain showers and slight chance of thunderstorms
early in the morning, then rain late in the morning. Chance of
rain showers and slight chance of thunderstorms in the afternoon.
Some thunderstorms may produce heavy rainfall early in the
morning. Some thunderstorms may produce heavy rainfall in the
afternoon. Highs in the mid 60s. Northwest winds up to 10 mph.
Chance of precipitation near 100 percent.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the mid 40s. Southwest winds up to 5 mph.
.SUNDAY...Mostly sunny. Patchy fog in the morning. Highs in the
lower 70s. Light winds becoming southeast up to 5 mph in the
afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. South winds up
to 5 mph.
.MONDAY...Sunny. Highs in the upper 70s. South winds up to
10 mph.
.MONDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in the
upper 40s. Highs in the upper 70s.
.FRIDAY...Mostly sunny. Highs in the upper 70s.
&&
TEMPERATURE / PRECIPITATION
Helena 63 46 72 / 100 20 0
$$
MTZ320-192200-
Big Belt, Bridger and Castle Mountains-
Including the cities of Trident, Maudlow, Battle Ridge Pass,
Bozeman Pass, and Deep Creek Pass
336 AM MDT Sat Sep 19 2026
...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...
.TODAY...Rain showers and slight chance of thunderstorms until
late afternoon, then rain showers likely and slight chance of
thunderstorms late in the afternoon. Some thunderstorms may
produce heavy rainfall. Near steady temperature in the upper 40s.
Northeast winds up to 10 mph. Chance of precipitation near
100 percent.
.TONIGHT...Mostly cloudy with a 50 percent chance of rain. Lows
in the lower 40s. Northeast winds up to 5 mph.
.SUNDAY...Warmer. Partly sunny. Patchy fog in the morning. Highs
55 to 65. Southwest winds up to 5 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. South winds
up to 5 mph.
.MONDAY...Warmer, sunny. Highs 61 to 71. South winds up to
10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 40s.
Highs 64 to 72.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 65 to 74.
Lows in the upper 40s.
.FRIDAY...Mostly sunny. Highs 65 to 73.
$$
MTZ321-192200-
Meagher County Valleys-
Including the cities of Martinsdale, Checkerboard, Ringling,
and White Sulphur Springs
336 AM MDT Sat Sep 19 2026
...FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON...
.TODAY...Cooler. Patchy fog in the morning. Rain showers and
slight chance of thunderstorms until late afternoon, then rain
showers likely and slight chance of thunderstorms late in the
afternoon. Some thunderstorms may produce heavy rainfall. Highs
in the mid 50s. North winds up to 10 mph. Chance of precipitation
near 100 percent.
.TONIGHT...Mostly cloudy with a 50 percent chance of rain. Patchy
fog after midnight. Lows in the lower 40s. North winds up to
5 mph.
.SUNDAY...Partly sunny. Patchy fog in the morning. Highs in the
mid 60s. Southwest winds up to 5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 40s. Southeast
winds up to 5 mph.
.MONDAY...Sunny. Highs in the lower 70s. Southwest winds up to
10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the lower 40s.
Highs in the lower 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs in the
mid 70s. Lows in the mid 40s.
.FRIDAY...Mostly sunny. Highs in the mid 70s.
$$
MTZ322-192200-
Elkhorn and Boulder Mountains-
Including the cities of Montana City, Clancy, Boulder, Corbin,
Wickes, Elk Park Pass, and Homestake Pass
336 AM MDT Sat Sep 19 2026
...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...
.TODAY...Rain showers in the morning. Slight chance of
thunderstorms through the day. Rain showers likely in the
afternoon. Some thunderstorms may produce heavy rainfall. Near
steady temperature in the upper 40s. Northeast winds 5 to 10 mph
with gusts to around 25 mph. Chance of precipitation near
100 percent.
.TONIGHT...Mostly cloudy. A 20 percent chance of rain in the
evening. Patchy fog after midnight. Lows 37 to 45. Northeast
winds up to 5 mph shifting to the northwest after midnight.
.SUNDAY...Warmer. Mostly sunny. Highs 58 to 66. Southwest winds
up to 5 mph shifting to the southeast in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 39 to 45. South winds up to
5 mph.
.MONDAY...Sunny. Highs 63 to 71. Southwest winds up to 10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 41 to 47. Highs
64 to 72.
.TUESDAY NIGHT...Partly cloudy. Lows 42 to 48.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 65 to 74.
Lows 43 to 50.
.FRIDAY...Mostly sunny. Highs 65 to 73.
$$
MTZ323-192200-
Canyon Ferry Area-
Including the cities of Toston, Townsend, and Winston
336 AM MDT Sat Sep 19 2026
...FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON...
.TODAY...Cooler. Rain showers in the morning. Slight chance of
thunderstorms through the day. Rain showers likely in the
afternoon. Some thunderstorms may produce heavy rainfall. Highs
in the upper 50s. North winds 5 to 15 mph. Chance of
precipitation near 100 percent.
.TONIGHT...Mostly cloudy with a 20 percent chance of rain. Patchy
fog after midnight. Lows in the mid 40s. North winds up to 5 mph
shifting to the west after midnight.
.SUNDAY...Mostly sunny. Patchy fog in the morning. Highs in the
upper 60s. South winds up to 5 mph.
.SUNDAY NIGHT...Mostly clear. Lows 43 to 49. Southeast winds up
to 10 mph.
.MONDAY...Sunny. Highs in the lower 70s. South winds up to
10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 45 to 51. Highs in
the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows 45 to 51.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs in the
upper 70s. Lows 46 to 52.
.FRIDAY...Mostly sunny. Highs in the mid 70s.
$$
MTZ324-192200-
Missouri Headwaters-
Including the cities of Harrison, Three Forks, Willow Creek,
Pony, and Whitehall
336 AM MDT Sat Sep 19 2026
.TODAY...Cooler. Patchy fog in the morning. Slight chance of
thunderstorms in the morning. Rain showers through the day.
Chance of thunderstorms in the afternoon. Highs in the upper 50s.
North winds up to 10 mph with gusts to around 25 mph. Chance of
precipitation near 100 percent.
.TONIGHT...Mostly cloudy with a 20 percent chance of rain. Areas
of fog after midnight. Lows in the lower 40s. North winds up to
5 mph shifting to the northwest after midnight.
.SUNDAY...Mostly sunny. Areas of fog in the morning. Highs in the
mid 60s. Southwest winds up to 5 mph shifting to the southeast in
the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. East winds
up to 5 mph shifting to the southwest after midnight.
.MONDAY...Sunny. Highs in the lower 70s. Southwest winds up to
5 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 40s.
Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs in the
upper 70s. Lows in the upper 40s.
.FRIDAY...Mostly sunny. Highs in the mid 70s.
$$
MTZ325-192200-
Madison River Valley-
Including the cities of Cameron, Ennis, Jeffers, McAllister,
and Norris
336 AM MDT Sat Sep 19 2026
.TODAY...Cooler. Areas of fog early in the morning. Patchy fog
late in the morning. Slight chance of thunderstorms in the
morning. Rain showers through the day. Chance of thunderstorms in
the afternoon. Highs in the upper 50s. North winds up to 10 mph.
Chance of precipitation 90 percent.
.TONIGHT...Mostly cloudy. Chance of rain in the evening, then
slight chance of rain after midnight. Areas of fog after
midnight. Lows in the lower 40s. North winds up to 10 mph. Chance
of rain 50 percent.
.SUNDAY...Partly sunny. Areas of fog in the morning. Highs in the
mid 60s. Southwest winds up to 5 mph shifting to the northwest in
the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. Northeast
winds up to 5 mph shifting to the south after midnight.
.MONDAY...Sunny. Highs in the lower 70s. South winds up to 10 mph
shifting to the west in the afternoon.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 40s.
Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs in the
upper 70s. Lows in the upper 40s.
.FRIDAY...Mostly sunny. Highs in the upper 70s.
$$
MTZ326-192200-
Gallatin Valley-
Including the cities of Bozeman and Gallatin Gateway
336 AM MDT Sat Sep 19 2026
...FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON...
.TODAY...Cooler. Patchy fog in the morning. Slight chance of
thunderstorms in the morning. Rain showers through the day.
Chance of thunderstorms in the afternoon. Some thunderstorms may
produce heavy rainfall in the morning. Some thunderstorms may
produce heavy rainfall in the afternoon. Highs in the upper 50s.
North winds up to 5 mph. Chance of precipitation near
100 percent.
.TONIGHT...Mostly cloudy with a 50 percent chance of rain. Areas
of fog after midnight. Lows in the mid 40s. Northwest winds up to
5 mph in the evening becoming light.
.SUNDAY...Partly sunny. Areas of fog in the morning. Highs in the
mid 60s. Light winds becoming northwest up to 5 mph in the
afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. Southeast
winds up to 10 mph.
.MONDAY...Sunny. Highs in the lower 70s. Southeast winds up to
5 mph shifting to the northwest in the afternoon.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 40s.
Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs in the
upper 70s. Lows in the upper 40s.
.FRIDAY...Mostly sunny. Highs in the upper 70s.
&&
TEMPERATURE / PRECIPITATION
Bozeman Airport 59 42 66 / 100 60 10
Bozeman MSU 57 43 64 / 100 70 20
$$
MTZ330-192200-
Gallatin and Madison County Mountains and Centennial Mountains-
Including the cities of Big Sky, West Yellowstone, Targhee Pass,
and Raynolds Pass
336 AM MDT Sat Sep 19 2026
.TODAY...Patchy fog in the morning. Slight chance of
thunderstorms in the morning. Rain showers through the day.
Chance of thunderstorms in the afternoon. Highs 44 to 54.
Southwest winds up to 5 mph shifting to the north in the
afternoon. Chance of precipitation near 100 percent.
.TONIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then slight chance of
rain after midnight. Patchy fog after midnight. Lows 35 to 41.
North winds up to 10 mph. Chance of precipitation 50 percent.
.SUNDAY...Not as cool. Partly sunny. Patchy fog in the morning.
Highs 50 to 60. Northwest winds up to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 34 to 40. West winds up to
5 mph shifting to the south after midnight.
.MONDAY...Warmer, sunny. Highs 58 to 68. South winds up to 5 mph
shifting to the southwest in the afternoon.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 38 to 44. Highs
59 to 69.
.TUESDAY NIGHT...Partly cloudy. Lows 39 to 45.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 60 to 71.
Lows 39 to 48.
.FRIDAY...Mostly sunny. Highs 61 to 71.
&&
TEMPERATURE / PRECIPITATION
West Yellowstone 57 31 61 / 70 40 10
$$
MTZ327-192200-
Northwest Beaverhead County-
Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass,
and Chief Joseph Pass
336 AM MDT Sat Sep 19 2026
...FLASH FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON...
.TODAY...Patchy fog in the morning. Rain likely in the morning,
then rain showers likely and chance of thunderstorms in the
afternoon. Some thunderstorms may produce heavy rainfall early in
the afternoon. Some thunderstorms may produce heavy rainfall late
in the afternoon. Highs 45 to 55. North winds up to 10 mph.
Chance of precipitation 70 percent.
.TONIGHT...Mostly cloudy. A 20 percent chance of rain in the
evening. Patchy fog through the night. Lows 32 to 40. Northeast
winds up to 5 mph.
.SUNDAY...Warmer. Mostly sunny. Areas of fog in the morning.
Highs 55 to 65. West winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 33 to 41. North winds up to
5 mph shifting to the southeast after midnight.
.MONDAY...Sunny. Highs 60 to 70. Southwest winds up to 10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 36 to 44. Highs
60 to 70.
.TUESDAY NIGHT...Partly cloudy. Lows 36 to 44.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 61 to 72. Lows
37 to 45.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 38 to 46. Highs
61 to 71.
$$
MTZ328-192200-
Beaverhead and Western Madison below 6000ft-
Including the cities of Bannack, Dillon, Glen, and Waterloo
336 AM MDT Sat Sep 19 2026
.TODAY...Patchy fog in the morning. Rain showers and slight
chance of thunderstorms in the morning, then rain showers likely
and chance of thunderstorms in the afternoon. Highs 54 to 60.
North winds up to 10 mph. Chance of precipitation near
100 percent.
.TONIGHT...Mostly cloudy. A 50 percent chance of rain in the
evening. Patchy fog after midnight. Lows in the lower 40s. North
winds up to 10 mph shifting to the northwest after midnight.
.SUNDAY...Warmer. Mostly sunny. Patchy fog in the morning. Highs
62 to 68. Southwest winds up to 5 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. East winds
up to 5 mph shifting to the south after midnight.
.MONDAY...Sunny. Highs 69 to 75. Southwest winds up to 5 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 40s.
Highs 70 to 76.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 71 to 78. Lows
in the mid 40s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the mid 40s.
Highs 72 to 78.
&&
TEMPERATURE / PRECIPITATION
Dillon 59 40 67 / 70 30 0
$$
MTZ329-192200-
Ruby Mountains and Southern Beaverhead Mountains-
Including the city of Monida Pass
336 AM MDT Sat Sep 19 2026
.TODAY...Patchy fog in the morning. Chance of rain in the
morning, then rain showers likely and chance of thunderstorms in
the afternoon. Highs 47 to 55. Northeast winds up to 10 mph.
Chance of precipitation 70 percent.
.TONIGHT...Mostly cloudy. A 50 percent chance of rain in the
evening. Patchy fog after midnight. Lows in the upper 30s. North
winds up to 10 mph.
.SUNDAY...Not as cool. Partly sunny. Patchy fog in the morning.
Highs 54 to 62. Northwest winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. Northeast
winds up to 5 mph shifting to the south after midnight.
.MONDAY...Sunny. Highs 60 to 68. South winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the lower 40s.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 62 to 70. Lows
in the lower 40s.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 63 to 72. Lows
in the lower 40s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the mid 40s.
Highs 64 to 72.
$$