Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
682
FPUS55 KTFX 182137
ZFPTFX
Zone Forecast Product for Central and Southwest Montana
National Weather Service Great Falls MT
336 PM MDT Tue Aug 18 2026
Spot temperatures and probabilities of measurable precipitation
are for tonight, Wednesday, Wednesday night, and Thursday.
MTZ301-191000-
East Glacier Park Region-
Including the cities of East Glacier Park, Kiowa, Babb,
Saint Mary, Marias Pass, and Logan Pass
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly clear. A 20 percent chance of rain showers
early in the evening. Patchy smoke through the night. Lows in the
lower 50s. Southwest winds 5 to 15 mph with gusts to around
30 mph.
.WEDNESDAY...Mostly sunny. Patchy smoke. Highs 65 to 75. West
winds 5 to 15 mph.
.WEDNESDAY NIGHT...Partly cloudy. Patchy smoke in the evening.
Lows in the lower 50s. Southwest winds 5 to 10 mph. Gusts up to
25 mph in the evening.
.THURSDAY...Sunny. Highs 65 to 73. Northwest winds up to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 50. East winds 5 to
10 mph shifting to the southwest after midnight.
.FRIDAY...Mostly sunny. Highs 69 to 77.
.FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of
thunderstorms after midnight. Lows in the mid 50s.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. Chance of rain
showers and slight chance of thunderstorms. Highs 67 to 77. Lows
in the lower 50s. Chance of precipitation 40 percent.
.SUNDAY...Breezy, sunny. A 20 percent chance of rain showers in
the morning. Highs 58 to 68.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows in the upper
40s. Highs 62 to 76.
$$
MTZ307-191000-
Southern Rocky Mountain Front-
Including the city of Rogers Pass
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly clear. Lows 46 to 52. West winds 5 to 10 mph
with gusts to around 25 mph.
.WEDNESDAY...Sunny. Patchy smoke. Highs 67 to 77. West winds 5 to
15 mph.
.WEDNESDAY NIGHT...Mostly clear. Patchy smoke. Lows 47 to 53.
West winds up to 10 mph. Gusts up to 25 mph in the evening.
.THURSDAY...Sunny. Highs 69 to 79. West winds up to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 48 to 54. Northwest winds up
to 10 mph shifting to the west after midnight.
.FRIDAY...Mostly sunny. Highs 70 to 80.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows 53 to 59.
.SATURDAY...Partly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs 69 to 79. Chance
of precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows 47 to 53. Chance of precipitation
30 percent.
.SUNDAY...Sunny. A 20 percent chance of rain showers in the
morning. Highs 62 to 72.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 44 to 50. Highs
66 to 76.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 48 to 54. Highs
68 to 78.
$$
MTZ302-191000-
Northern High Plains-
Including the cities of Browning, Heart Butte, and Dupuyer
336 PM MDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. Slight chance of thunderstorms early in
the evening, then slight chance of rain showers late in the
evening. Patchy smoke through the night. Lows in the lower 50s.
West winds 5 to 15 mph with gusts to around 30 mph. Chance of
precipitation 20 percent.
.WEDNESDAY...Mostly sunny. Patchy smoke. Highs in the upper 70s.
West winds 10 to 15 mph.
.WEDNESDAY NIGHT...Partly cloudy. Patchy smoke in the evening.
Lows in the lower 50s. West winds 5 to 10 mph. Gusts up to 25 mph
in the evening.
.THURSDAY...Sunny. Highs in the mid 70s. Northwest winds 5 to
10 mph shifting to the north in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Northeast
winds 5 to 10 mph shifting to the west after midnight.
.FRIDAY...Sunny. Highs in the upper 70s.
.FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with a 20 percent chance of rain showers after midnight. Lows in
the mid 50s.
.SATURDAY...Mostly cloudy with slight chance of rain showers in
the morning, then mostly sunny with slight chance of
thunderstorms in the afternoon. Highs around 80. Chance of
precipitation 20 percent.
.SATURDAY NIGHT...Partly cloudy. Slight chance of thunderstorms
in the evening, then slight chance of rain showers after
midnight. Lows in the lower 50s. Chance of precipitation
20 percent.
.SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Highs in the mid
70s. Lows around 50.
.TUESDAY...Mostly sunny. Highs in the upper 70s.
$$
MTZ308-191000-
Southern High Plains-
Including the cities of Bynum, Choteau, and Pendroy
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly clear. A 20 percent chance of rain showers in
the evening. Patchy smoke late in the night. Lows in the mid 50s.
West winds 5 to 10 mph with gusts to around 25 mph.
.WEDNESDAY...Sunny. Patchy smoke. Highs in the lower 80s. West
winds 5 to 10 mph with gusts to around 25 mph.
.WEDNESDAY NIGHT...Partly cloudy. Patchy smoke. Lows in the lower
50s. West winds up to 10 mph.
.THURSDAY...Sunny. Highs in the lower 80s. West winds up to
10 mph shifting to the north in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Northeast
winds 5 to 10 mph shifting to the northwest after midnight.
.FRIDAY...Mostly sunny. Highs in the lower 80s.
.FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
showers after midnight. Lows in the upper 50s.
.SATURDAY...Partly sunny. Slight chance of rain showers in the
morning, then slight chance of thunderstorms in the afternoon.
Highs in the mid 80s. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then mostly clear
after midnight. Lows in the mid 50s. Chance of precipitation
30 percent.
.SUNDAY...Sunny. A 20 percent chance of rain showers in the
morning. Highs in the upper 70s.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the lower 50s.
Highs around 80.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the mid 50s.
Highs in the lower 80s.
$$
MTZ303-191000-
Eastern Glacier, Western Toole, and Central Pondera-
Including the cities of Cut Bank, Ethridge, and Santa Rita
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly clear. Slight chance of thunderstorms early in
the evening, then slight chance of rain showers late in the
evening. Patchy smoke through the night. Lows in the lower 50s.
West winds 5 to 15 mph. Gusts up to 30 mph in the evening. Chance
of precipitation 20 percent.
.WEDNESDAY...Mostly sunny. Patchy smoke. Highs in the lower 80s.
West winds 5 to 15 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. West
winds up to 10 mph.
.THURSDAY...Sunny. Highs in the upper 70s. North winds 5 to
15 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. North
winds up to 10 mph.
.FRIDAY...Sunny. Highs in the lower 80s.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 20 percent chance
of rain showers. Lows in the mid 50s. Highs in the lower 80s.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
with slight chance of rain showers after midnight. Lows in the
mid 50s. Chance of precipitation 30 percent.
.SUNDAY THROUGH MONDAY NIGHT...Breezy. Mostly clear. Highs in the
upper 70s. Lows in the lower 50s.
.TUESDAY...Mostly sunny. Highs in the lower 80s.
&&
TEMPERATURE / PRECIPITATION
Cut Bank 52 82 52 78 / 20 0 0 0
$$
MTZ304-191000-
Eastern Toole and Liberty-
Including the cities of Devon, Shelby, Chester, Galata, Joplin,
Lothair, and Whitlash
336 PM MDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. A 20 percent chance of rain showers in
the evening. Patchy smoke through the night. Lows in the mid 50s.
West winds 5 to 10 mph with gusts to around 25 mph.
.WEDNESDAY...Mostly sunny. Patchy smoke in the morning. Highs
80 to 86. West winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest
winds up to 10 mph shifting to the east after midnight.
.THURSDAY...Sunny. Highs 77 to 83. North winds up to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Northeast
winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the lower 80s.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 20 percent chance
of rain showers. Lows around 60. Highs in the mid 80s.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
with slight chance of rain showers after midnight. Lows in the
upper 50s. Chance of precipitation 40 percent.
.SUNDAY...Sunny. A 20 percent chance of rain showers in the
morning. Highs 76 to 82.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows in the
mid 50s. Highs around 80.
.TUESDAY...Mostly sunny. Highs 81 to 87.
$$
MTZ305-191000-
Hill County-
Including the city of Havre
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy early in the evening then clearing. A
20 percent chance of rain showers in the evening. Patchy smoke
through the night. Lows in the mid 50s. West winds 5 to 10 mph
with gusts to around 25 mph.
.WEDNESDAY...Mostly sunny. Patchy smoke in the morning. Highs in
the mid 80s. West winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest
winds up to 10 mph shifting to the northeast after midnight.
.THURSDAY...Sunny. Highs in the lower 80s. Northeast winds up to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Northeast
winds 5 to 15 mph.
.FRIDAY...Sunny. Highs in the mid 80s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 50s.
.SATURDAY...Partly sunny. A 20 percent chance of rain showers in
the morning. Highs in the upper 80s.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows in the upper 50s. Chance of
precipitation 40 percent.
.SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Highs in the lower
80s. Lows in the lower 50s.
.TUESDAY...Mostly sunny. Highs in the mid 80s.
&&
TEMPERATURE / PRECIPITATION
Havre 55 87 55 87 / 20 0 0 0
$$
MTZ306-191000-
Northern Blaine County-
Including the cities of Chinook, Zurich, Harlem, Hogeland,
and Fort Belknap
336 PM MDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. Slight chance of thunderstorms early in
the evening, then slight chance of rain showers late in the
evening. Patchy smoke through the night. Lows in the mid 50s.
Southwest winds up to 10 mph. Chance of precipitation 20 percent.
.WEDNESDAY...Mostly sunny. Patchy smoke in the morning. Highs in
the mid 80s. West winds 5 to 15 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest
winds 5 to 10 mph shifting to the east after midnight.
.THURSDAY...Sunny. Highs in the mid 80s. Northeast winds up to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Northeast
winds 5 to 15 mph.
.FRIDAY...Sunny. Highs in the mid 80s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 50s.
.SATURDAY...Breezy. Partly sunny. Highs in the mid 80s.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows in the upper 50s. Chance of
precipitation 40 percent.
.SUNDAY THROUGH MONDAY NIGHT...Breezy. Mostly clear. Highs in the
lower 80s. Lows in the mid 50s.
.TUESDAY...Mostly sunny. Highs in the mid 80s.
$$
MTZ309-191000-
Eastern Pondera and Eastern Teton-
Including the cities of Brady, Conrad, and Ledger
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly clear. A 20 percent chance of rain showers in
the evening. Patchy smoke through the night. Lows in the lower
50s. West winds 5 to 10 mph with gusts to around 25 mph.
.WEDNESDAY...Mostly sunny. Patchy smoke. Highs in the mid 80s.
West winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Patchy smoke in the evening.
Lows in the lower 50s. West winds up to 10 mph.
.THURSDAY...Sunny. Highs in the lower 80s. West winds up to
10 mph shifting to the north in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Northeast
winds up to 10 mph.
.FRIDAY...Sunny. Highs in the mid 80s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 50s.
.SATURDAY...Partly sunny. Slight chance of rain showers in the
morning, then slight chance of thunderstorms in the afternoon.
Highs in the mid 80s. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the mid 50s. Chance of precipitation
30 percent.
.SUNDAY...Sunny. A 20 percent chance of rain showers in the
morning. Highs in the lower 80s.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows in the
lower 50s. Highs in the lower 80s.
.TUESDAY...Mostly sunny. Highs in the mid 80s.
$$
MTZ310-191000-
Western and Central Chouteau County-
Including the cities of Floweree, Carter, and Fort Benton
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy early in the evening then becoming
partly cloudy. Chance of rain showers and slight chance of
thunderstorms early in the evening, then slight chance of rain
showers late in the evening. Patchy smoke through the night. Lows
in the mid 50s. West winds 5 to 10 mph with gusts to around
25 mph. Chance of precipitation 40 percent.
.WEDNESDAY...Mostly sunny. Patchy smoke. Highs in the mid 80s.
West winds 5 to 15 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest
winds up to 10 mph shifting to the south after midnight.
.THURSDAY...Sunny. Highs in the mid 80s. West winds up to 5 mph
shifting to the northwest in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
5 to 10 mph shifting to the east after midnight.
.FRIDAY...Sunny. Highs in the upper 80s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the lower 60s.
.SATURDAY...Partly sunny. Slight chance of rain showers in the
morning, then slight chance of thunderstorms in the afternoon.
Highs in the upper 80s. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
with slight chance of rain showers after midnight. Lows in the
upper 50s. Chance of precipitation 40 percent.
.SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Highs in the lower
80s. Lows in the mid 50s.
.TUESDAY...Mostly sunny. Highs in the upper 80s.
$$
MTZ311-191000-
Bears Paw Mountains and Southern Blaine-
Including the city of Rocky Boy
336 PM MDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. Slight chance of thunderstorms early in
the evening, then slight chance of rain showers late in the
evening. Patchy smoke through the night. Lows in the upper 50s.
Southwest winds up to 10 mph. Chance of precipitation 20 percent.
.WEDNESDAY...Mostly sunny. Patchy smoke. Highs 80 to 86. West
winds 5 to 15 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
Northwest winds up to 10 mph shifting to the east after midnight.
.THURSDAY...Sunny. Highs 81 to 87. Southeast winds up to 5 mph
shifting to the northeast in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds up to 10 mph.
.FRIDAY...Sunny. Highs 81 to 87.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the lower 60s.
.SATURDAY...Partly sunny. A 20 percent chance of rain showers in
the morning. Highs 82 to 88.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening, then slight chance
of rain showers after midnight. Lows in the lower 60s. Chance of
precipitation 40 percent.
.SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Highs 79 to 85. Lows
in the upper 50s.
.TUESDAY...Mostly sunny. Highs 82 to 88.
$$
MTZ312-191000-
Cascade County below 5000ft-
Including the city of Great Falls
336 PM MDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. A 20 percent chance of rain showers in
the evening. Patchy smoke in the late evening and early morning.
Lows in the mid 50s. West winds 5 to 10 mph shifting to the
southwest after midnight. Gusts up to 25 mph.
.WEDNESDAY...Sunny. Patchy smoke in the afternoon. Highs in the
mid 80s. Southwest winds 5 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Patchy smoke. Lows in the mid
50s. West winds up to 10 mph shifting to the southwest after
midnight.
.THURSDAY...Sunny. Highs in the mid 80s. Southwest winds up to
10 mph shifting to the northwest in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Northeast
winds 5 to 10 mph shifting to the southwest after midnight.
.FRIDAY...Sunny. Highs in the mid 80s.
.FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
showers after midnight. Lows around 60.
.SATURDAY...Partly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs in the upper 80s.
Chance of precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the upper 50s. Chance of precipitation
30 percent.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs in the mid 80s. Lows
in the mid 50s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the mid 50s.
Highs in the upper 80s.
&&
TEMPERATURE / PRECIPITATION
Great Falls Arpt 54 86 55 85 / 20 0 0 0
$$
MTZ313-191000-
Judith Basin County and Judith Gap-
Including the cities of Raynesford, Geyser, Stanford, Windham,
Benchland, Hobson, and Moccasin
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy early in the evening then clearing.
Slight chance of thunderstorms early in the evening, then slight
chance of rain showers late in the evening. Lows in the lower
50s. Southwest winds 5 to 10 mph. Chance of precipitation
20 percent.
.WEDNESDAY...Sunny. Patchy smoke in the afternoon. Highs in the
lower 80s. West winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Patchy smoke in the evening.
Lows in the mid 50s. Northwest winds up to 10 mph with gusts to
around 25 mph shifting to the southwest after midnight.
.THURSDAY...Sunny. Highs in the mid 80s. Southwest winds up to
10 mph shifting to the northwest in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
5 to 10 mph shifting to the southwest after midnight.
.FRIDAY...Sunny. Highs in the mid 80s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 50s.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. Chance of rain
showers and slight chance of thunderstorms. Highs in the mid 80s.
Lows in the upper 50s. Chance of precipitation 40 percent.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs in the lower 80s.
Lows in the lower 50s.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the mid 80s.
$$
MTZ314-191000-
Fergus County below 4500ft-
Including the cities of Hilger and Lewistown
336 PM MDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. Slight chance of thunderstorms early in
the evening, then slight chance of rain showers late in the
evening. Lows 54 to 60. Southwest winds 5 to 10 mph. Chance of
precipitation 20 percent.
.WEDNESDAY...Sunny. Patchy smoke through the day. Highs in the
mid 80s. West winds 5 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Patchy smoke in the evening.
Lows 54 to 60. Northwest winds up to 10 mph shifting to the south
after midnight.
.THURSDAY...Sunny. Highs in the upper 80s. Southwest winds up to
10 mph shifting to the north in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. North
winds 5 to 10 mph shifting to the east after midnight.
.FRIDAY...Sunny. Highs in the mid 80s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the lower 60s.
.SATURDAY...Partly sunny. Slight chance of rain showers in the
morning, then slight chance of thunderstorms in the afternoon.
Highs in the upper 80s. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening. Lows 58 to 64.
Chance of precipitation 40 percent.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs in the mid 80s. Lows
54 to 60.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 50s.
Highs in the upper 80s.
&&
TEMPERATURE / PRECIPITATION
Lewistown 52 82 52 85 / 20 0 0 0
$$
MTZ315-191000-
Upper Blackfoot and MacDonald Pass-
Including the cities of Marysville, Lincoln, Flesher Pass,
and MacDonald Pass
336 PM MDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. Patchy smoke late in the night. Lows
48 to 54. West winds 5 to 10 mph. Gusts up to 25 mph in the
evening.
.WEDNESDAY...Sunny. Patchy smoke in the morning. Highs 70 to 80.
West winds up to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 49 to 55. West winds up to
10 mph. Gusts up to 25 mph in the evening.
.THURSDAY...Sunny. Highs 75 to 85. West winds up to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 50 to 58. North winds up to
10 mph.
.FRIDAY...Mostly sunny. Highs 75 to 85.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows 53 to 61.
.SATURDAY...Partly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs 72 to 82. Chance
of precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then mostly clear
after midnight. Lows 48 to 56. Chance of precipitation
30 percent.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs 68 to 79. Lows 46 to
54.
.MONDAY NIGHT...Partly cloudy. Lows 49 to 57.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 73 to 81.
$$
MTZ316-191000-
Gates of the Mountains-
Including the cities of Canyon Creek, Wolf Creek, and Craig
336 PM MDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. A 20 percent chance of rain showers in
the evening. Lows in the mid 50s. West winds 5 to 10 mph shifting
to the southwest after midnight.
.WEDNESDAY...Sunny. Patchy smoke in the afternoon. Highs 78 to
86. Southwest winds 5 to 10 mph with gusts to around 25 mph.
.WEDNESDAY NIGHT...Mostly clear. Patchy smoke. Lows in the mid
50s. Southwest winds up to 10 mph.
.THURSDAY...Sunny. Highs 80 to 88. Southwest winds up to 5 mph
shifting to the west in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds up to 10 mph.
.FRIDAY...Mostly sunny. Highs 80 to 88.
.FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
showers after midnight. Lows around 60.
.SATURDAY...Partly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs 79 to 87. Chance
of precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then mostly clear
after midnight. Lows in the mid 50s. Chance of precipitation
30 percent.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs 74 to 84. Lows in
the lower 50s.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.TUESDAY...Sunny. Highs 79 to 87.
$$
MTZ317-191000-
Little Belt and Highwood Mountains-
Including the cities of Monarch, Neihart, and Kings Hill Pass
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy early in the evening then clearing.
Slight chance of thunderstorms early in the evening, then slight
chance of rain showers late in the evening. Lows 48 to 56. West
winds 5 to 10 mph. Gusts up to 30 mph in the evening. Chance of
precipitation 20 percent.
.WEDNESDAY...Sunny. Highs 71 to 79. West winds 5 to 15 mph with
gusts to around 30 mph.
.WEDNESDAY NIGHT...Mostly clear. Patchy smoke. Lows 51 to 57.
West winds up to 10 mph with gusts to around 30 mph shifting to
the southwest after midnight.
.THURSDAY...Sunny. Highs 74 to 82. Southwest winds up to 10 mph
shifting to the west with gusts to around 30 mph in the
afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 51 to 57. North winds up to
10 mph with gusts to around 25 mph shifting to the southeast
after midnight.
.FRIDAY...Mostly sunny. Highs 77 to 83.
.FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with a 20 percent chance of rain showers after midnight. Lows
56 to 62.
.SATURDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs 74 to 82. Chance of
precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows 51 to 59. Chance of precipitation
40 percent.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs 70 to 79. Lows 49 to
55.
.MONDAY NIGHT...Partly cloudy. Lows 51 to 57.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 73 to 81.
$$
MTZ318-191000-
Snowy and Judith Mountains-
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms early in the evening, then partly cloudy
with slight chance of rain showers late in the evening. Mostly
clear after midnight. Lows in the lower 50s. Southwest winds 5 to
10 mph. Chance of precipitation 40 percent.
.WEDNESDAY...Sunny. Patchy smoke in the afternoon. Highs 73 to
79. West winds 5 to 15 mph.
.WEDNESDAY NIGHT...Partly cloudy. Patchy smoke in the evening.
Lows 52 to 58. Northwest winds up to 10 mph with gusts to around
25 mph shifting to the south after midnight.
.THURSDAY...Sunny. Highs 77 to 83. Southwest winds up to 10 mph
shifting to the northwest in the afternoon.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. North winds
5 to 10 mph shifting to the southeast after midnight.
.FRIDAY...Sunny. Highs 75 to 83.
.FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with a 20 percent chance of rain showers after midnight. Lows
56 to 62.
.SATURDAY AND SATURDAY NIGHT...Mostly cloudy. Chance of rain
showers and slight chance of thunderstorms. Highs 75 to 83. Lows
in the upper 50s. Chance of precipitation 30 percent.
.SUNDAY...Mostly sunny. A 20 percent chance of rain showers in
the afternoon. Highs 73 to 81.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the mid 50s.
Highs 73 to 79.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the mid 50s.
Highs 75 to 83.
$$
MTZ319-191000-
Helena Valley-
Including the city of Helena
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy early in the evening then clearing. A
20 percent chance of rain showers early in the evening. Lows in
the lower 50s. West winds up to 10 mph shifting to the southwest
after midnight.
.WEDNESDAY...Sunny. Highs in the mid 80s. South winds up to 5 mph
shifting to the west in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds up to 10 mph shifting to the southwest after midnight.
.THURSDAY...Sunny. Highs around 90. South winds up to 5 mph
shifting to the west in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds up to 10 mph.
.FRIDAY...Mostly sunny. Highs in the upper 80s.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows in the upper 50s.
.SATURDAY...Partly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the mid 50s. Chance of precipitation
40 percent.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs in the lower 80s.
Lows in the lower 50s.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the mid 80s.
&&
TEMPERATURE / PRECIPITATION
Helena 52 86 53 89 / 30 0 0 0
$$
MTZ320-191000-
Big Belt, Bridger and Castle Mountains-
Including the cities of Trident, Maudlow, Battle Ridge Pass,
Bozeman Pass, and Deep Creek Pass
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy with slight chance of thunderstorms
early in the evening, then partly cloudy with slight chance of
rain showers late in the evening. Mostly clear after midnight.
Lows in the lower 50s. Southwest winds up to 10 mph. Gusts up to
30 mph in the evening. Chance of precipitation 20 percent.
.WEDNESDAY...Sunny. Highs 70 to 80. West winds up to 15 mph with
gusts to around 35 mph.
.WEDNESDAY NIGHT...Mostly clear. Patchy smoke. Lows in the mid
50s. Northwest winds up to 10 mph with gusts to around 30 mph
shifting to the south after midnight.
.THURSDAY...Sunny. Highs 75 to 85. South winds up to 5 mph
shifting to the west with gusts to around 30 mph in the
afternoon.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. North winds
up to 10 mph with gusts to around 25 mph shifting to the east
after midnight.
.FRIDAY...Mostly sunny. Highs 75 to 85.
.FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
showers after midnight. Lows in the upper 50s.
.SATURDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs 73 to 81. Chance of
precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the mid 50s. Chance of precipitation
40 percent.
.SUNDAY...Sunny. A 20 percent chance of thunderstorms in the
afternoon. Highs 69 to 79.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.MONDAY...Sunny. Highs 71 to 79.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the mid 50s.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 72 to 80.
$$
MTZ321-191000-
Meagher County Valleys-
Including the cities of Martinsdale, Checkerboard, Ringling,
and White Sulphur Springs
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy with slight chance of thunderstorms
early in the evening, then partly cloudy with slight chance of
rain showers late in the evening. Mostly clear after midnight.
Lows in the upper 40s. West winds 5 to 10 mph with gusts to
around 30 mph shifting to the south after midnight. Chance of
precipitation 20 percent.
.WEDNESDAY...Sunny. Highs in the upper 70s. Southwest winds up to
10 mph shifting to the west in the afternoon. Gusts up to 30 mph.
.WEDNESDAY NIGHT...Mostly clear. Patchy smoke. Lows around 50.
Northwest winds 5 to 10 mph with gusts to around 30 mph shifting
to the south after midnight.
.THURSDAY...Sunny. Highs in the mid 80s. South winds up to 5 mph
shifting to the west with gusts to around 30 mph in the
afternoon.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. North
winds 5 to 10 mph with gusts to around 25 mph shifting to the
east after midnight.
.FRIDAY...Mostly sunny. Highs in the mid 80s.
.FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with a 20 percent chance of rain showers after midnight. Lows in
the mid 50s.
.SATURDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs in the lower 80s. Chance of
precipitation 30 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the lower 50s. Chance of precipitation
40 percent.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs around 80. Lows in
the upper 40s.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the lower 80s.
$$
MTZ322-191000-
Elkhorn and Boulder Mountains-
Including the cities of Montana City, Clancy, Boulder, Corbin,
Wickes, Elk Park Pass, and Homestake Pass
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy with chance of rain showers early in the
evening, then partly cloudy with slight chance of rain showers
late in the evening. Mostly clear after midnight. Patchy smoke
late in the night. Lows 47 to 53. West winds up to 10 mph. Chance
of showers 40 percent.
.WEDNESDAY...Sunny. Highs 71 to 81. West winds up to 10 mph.
Gusts up to 25 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows 49 to 55. West winds up to
10 mph.
.THURSDAY...Sunny. Highs 75 to 85. West winds up to 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows 51 to 59. Northwest winds
up to 10 mph.
.FRIDAY...Mostly sunny. Highs 76 to 84.
.FRIDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in
the evening, then slight chance of rain showers after midnight.
Lows 53 to 61. Chance of precipitation 20 percent.
.SATURDAY...Mostly cloudy. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs
73 to 81. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows 49 to 57. Chance of precipitation
50 percent.
.SUNDAY...Sunny. Highs 70 to 78.
.SUNDAY NIGHT...Partly cloudy. Lows 47 to 55.
.MONDAY...Sunny. Highs 71 to 79.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. A 20 percent chance of
thunderstorms. Lows 49 to 57. Highs 72 to 80.
$$
MTZ323-191000-
Canyon Ferry Area-
Including the cities of Toston, Townsend, and Winston
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms early in the evening, then partly cloudy
with slight chance of rain showers late in the evening. Mostly
clear after midnight. Lows 50 to 56. South winds up to 10 mph.
Chance of precipitation 40 percent.
.WEDNESDAY...Sunny. Highs in the lower 80s. South winds up to
5 mph shifting to the northwest with gusts to around 25 mph in
the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 51 to 57. North winds up to
10 mph shifting to the south after midnight.
.THURSDAY...Sunny. Highs in the upper 80s. South winds up to
5 mph shifting to the southwest in the afternoon.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. North
winds up to 10 mph.
.FRIDAY...Mostly sunny. Highs in the upper 80s.
.FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
showers after midnight. Lows 56 to 62.
.SATURDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the mid 50s. Chance of precipitation
50 percent.
.SUNDAY...Sunny. A 20 percent chance of rain showers in the
afternoon. Highs in the lower 80s.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.MONDAY...Sunny. Highs in the lower 80s.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the mid 50s.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the lower 80s.
$$
MTZ324-191000-
Missouri Headwaters-
Including the cities of Harrison, Three Forks, Willow Creek,
Pony, and Whitehall
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms early in the evening, then mostly cloudy
with slight chance of rain showers late in the evening. Mostly
clear after midnight. Lows in the lower 50s. Southwest winds up
to 10 mph. Chance of precipitation 40 percent.
.WEDNESDAY...Sunny. Highs in the lower 80s. West winds up to
10 mph with gusts to around 25 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. West
winds up to 10 mph.
.THURSDAY...Sunny. Highs in the upper 80s. Southwest winds up to
5 mph. Gusts up to 20 mph in the afternoon.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. North winds
up to 10 mph shifting to the northwest after midnight.
.FRIDAY...Mostly sunny. Highs in the upper 80s.
.FRIDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in
the evening, then slight chance of rain showers after midnight.
Lows in the upper 50s. Chance of precipitation 20 percent.
.SATURDAY...Mostly cloudy. Slight chance of rain showers in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the mid 50s. Chance of precipitation
40 percent.
.SUNDAY...Sunny. Highs in the lower 80s.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.MONDAY...Sunny. Highs in the lower 80s.
.MONDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms in the evening, then mostly cloudy after midnight.
Lows in the mid 50s.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the lower 80s.
$$
MTZ325-191000-
Madison River Valley-
Including the cities of Cameron, Ennis, Jeffers, McAllister,
and Norris
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy with chance of rain showers early in the
evening, then mostly cloudy with slight chance of rain showers
late in the evening. Partly cloudy after midnight. Lows 46 to 52.
West winds up to 10 mph with gusts to around 25 mph shifting to
the south after midnight. Chance of showers 50 percent.
.WEDNESDAY...Sunny. Highs in the lower 80s. South winds up to
10 mph shifting to the west in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 49 to 55. West winds up to
10 mph shifting to the south after midnight.
.THURSDAY...Sunny. Highs in the upper 80s. South winds up to
5 mph shifting to the west in the afternoon.
.THURSDAY NIGHT...Partly cloudy. Lows 52 to 58. North winds up to
10 mph shifting to the south after midnight.
.FRIDAY...Mostly sunny. Highs in the upper 80s.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then slight chance of
rain showers after midnight. Lows in the upper 50s. Chance of
precipitation 30 percent.
.SATURDAY...Mostly cloudy. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs in
the lower 80s. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening. Lows 50 to 56.
Chance of precipitation 40 percent.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms. Highs in the lower 80s. Lows 48 to 54.
.MONDAY...Sunny. A 20 percent chance of thunderstorms in the
afternoon. Highs in the lower 80s.
.MONDAY NIGHT...Mostly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows 50 to 56.
.TUESDAY...Partly sunny. A 50 percent chance of thunderstorms in
the afternoon. Highs in the lower 80s.
$$
MTZ326-191000-
Gallatin Valley-
Including the cities of Bozeman and Gallatin Gateway
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms early in the evening, then mostly cloudy
with slight chance of rain showers late in the evening. Mostly
clear after midnight. Lows in the lower 50s. South winds up to
10 mph. Chance of precipitation 40 percent.
.WEDNESDAY...Sunny. Highs in the lower 80s. South winds up to
5 mph shifting to the northwest in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds up to 10 mph shifting to the southeast after midnight.
.THURSDAY...Sunny. Highs in the upper 80s. South winds up to
5 mph shifting to the northwest with gusts to around 20 mph in
the afternoon.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northeast
winds up to 5 mph shifting to the southeast after midnight.
.FRIDAY...Mostly sunny. Highs in the upper 80s.
.FRIDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in
the evening, then slight chance of rain showers after midnight.
Lows in the upper 50s. Chance of precipitation 20 percent.
.SATURDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the mid 50s. Chance of precipitation
40 percent.
.SUNDAY...Sunny. A 20 percent chance of thunderstorms in the
afternoon. Highs in the lower 80s.
.SUNDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 50s.
.MONDAY...Sunny. Highs in the lower 80s.
.MONDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms in the evening, then mostly cloudy after midnight.
Lows in the lower 50s.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the lower 80s.
&&
TEMPERATURE / PRECIPITATION
Bozeman Airport 49 83 50 90 / 30 0 0 0
Bozeman MSU 51 81 54 88 / 40 0 0 0
$$
MTZ330-191000-
Gallatin and Madison County Mountains and Centennial Mountains-
Including the cities of Big Sky, West Yellowstone, Targhee Pass,
and Raynolds Pass
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms early in the evening, then mostly cloudy
with slight chance of rain showers late in the evening. Partly
cloudy after midnight. Lows 42 to 50. West winds up to 10 mph.
Gusts up to 25 mph in the evening. Chance of precipitation
50 percent.
.WEDNESDAY...Sunny. Highs 67 to 77. West winds up to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 46 to 54. West winds up to
10 mph with gusts to around 25 mph shifting to the south after
midnight.
.THURSDAY...Sunny. Highs 72 to 82. South winds up to 5 mph
shifting to the west with gusts to around 25 mph in the
afternoon.
.THURSDAY NIGHT...Partly cloudy. Lows 50 to 56. Southwest winds
up to 10 mph shifting to the southeast after midnight.
.FRIDAY...Mostly sunny. Highs 74 to 84.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then slight chance of
rain showers after midnight. Lows 52 to 58. Chance of
precipitation 40 percent.
.SATURDAY...Mostly cloudy. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs
67 to 77. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening. Lows 48 to 54.
Chance of precipitation 50 percent.
.SUNDAY THROUGH MONDAY...Partly cloudy with a 20 percent chance
of thunderstorms. Highs 66 to 76. Lows 46 to 52.
.MONDAY NIGHT...Mostly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows 46 to 54.
.TUESDAY...Partly sunny. A 50 percent chance of thunderstorms in
the afternoon. Highs 66 to 76.
&&
TEMPERATURE / PRECIPITATION
West Yellowstone 37 79 39 84 / 30 0 0 0
$$
MTZ327-191000-
Northwest Beaverhead County-
Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass,
and Chief Joseph Pass
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy early in the evening then clearing. A
20 percent chance of rain showers in the evening. Lows 40 to 50.
West winds up to 10 mph. Gusts up to 25 mph in the evening.
.WEDNESDAY...Sunny. Patchy smoke in the morning. Highs 69 to 79.
West winds up to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 43 to 53. Northwest winds
5 to 10 mph with gusts to around 25 mph shifting to the southwest
after midnight.
.THURSDAY...Warmer, sunny. Highs 73 to 85. Southwest winds up to
10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows 48 to 56. Northwest winds
up to 10 mph shifting to the east after midnight.
.FRIDAY...Mostly sunny. Highs 75 to 85.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then slight chance of
rain showers after midnight. Lows 48 to 58. Chance of
precipitation 50 percent.
.SATURDAY...Mostly cloudy. Rain showers likely and chance of
thunderstorms in the afternoon. Highs 69 to 79. Chance of
precipitation 70 percent.
.SATURDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance
of thunderstorms in the evening, then partly cloudy after
midnight. Lows 42 to 52.
.SUNDAY...Sunny. Highs 66 to 76.
.SUNDAY NIGHT...Partly cloudy. Lows 41 to 51.
.MONDAY...Sunny. A 20 percent chance of thunderstorms in the
afternoon. Highs 68 to 78.
.MONDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
showers in the evening. Lows 43 to 53.
.TUESDAY...Mostly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs 68 to 78. Chance of
precipitation 40 percent.
$$
MTZ328-191000-
Beaverhead and Western Madison below 6000ft-
Including the cities of Bannack, Dillon, Glen, and Waterloo
336 PM MDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy with a 20 percent chance of rain showers
in the evening, then mostly clear after midnight. Lows in the
upper 40s. North winds 5 to 10 mph with gusts to around 25 mph
shifting to the southwest after midnight.
.WEDNESDAY...Sunny. Highs 78 to 84. Southwest winds up to 10 mph
with gusts to around 25 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds up to 10 mph shifting to the southwest after midnight.
.THURSDAY...Sunny. Highs 82 to 88. Southwest winds up to 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest
winds up to 10 mph shifting to the south after midnight.
.FRIDAY...Mostly sunny. Highs 82 to 88.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then slight chance of
rain showers after midnight. Lows in the mid 50s. Chance of
precipitation 40 percent.
.SATURDAY...Mostly cloudy. A 50 percent chance of thunderstorms
in the afternoon. Highs 78 to 84.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the lower 50s. Chance of precipitation
40 percent.
.SUNDAY...Sunny. A 20 percent chance of thunderstorms in the
afternoon. Highs 76 to 82.
.SUNDAY NIGHT...Partly cloudy. Lows around 50.
.MONDAY...Sunny. A 20 percent chance of thunderstorms in the
afternoon. Highs 76 to 82.
.MONDAY NIGHT...Mostly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 50s.
.TUESDAY...Partly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs 76 to 82. Chance of
precipitation 40 percent.
&&
TEMPERATURE / PRECIPITATION
Dillon 48 83 49 86 / 20 0 0 0
$$
MTZ329-191000-
Ruby Mountains and Southern Beaverhead Mountains-
Including the city of Monida Pass
336 PM MDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. A 20 percent chance of rain showers in
the evening. Lows in the upper 40s. Northwest winds 5 to 10 mph
with gusts to around 25 mph shifting to the southwest after
midnight.
.WEDNESDAY...Sunny. Highs 71 to 79. West winds up to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds 5 to 10 mph with gusts to around 25 mph shifting to the
south after midnight.
.THURSDAY...Sunny. Highs 75 to 83. Southwest winds up to 10 mph.
Gusts up to 30 mph in the afternoon.
.THURSDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the mid 50s. West winds 5 to 10 mph
shifting to the south after midnight.
.FRIDAY...Mostly sunny. Highs 76 to 84.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then slight chance of
rain showers after midnight. Lows in the upper 50s. Chance of
precipitation 50 percent.
.SATURDAY...Mostly cloudy. Slight chance of rain showers in the
morning, then rain showers likely and chance of thunderstorms in
the afternoon. Highs 70 to 78. Chance of precipitation
60 percent.
.SATURDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows in the lower 50s. Chance of precipitation
40 percent.
.SUNDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 69 to 77.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows around 50.
.MONDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 69 to 77.
.MONDAY NIGHT...Mostly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 50s.
.TUESDAY...Partly sunny. A 40 percent chance of thunderstorms in
the afternoon. Highs 68 to 76.
$$