Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
511
FPUS55 KTFX 160937
ZFPTFX
Zone Forecast Product for Central and Southwest Montana
National Weather Service Great Falls MT
336 AM MDT Sun Aug 16 2026
Spot temperatures and probabilities of measurable precipitation
are for today, tonight, and Monday.
MTZ301-162200-
East Glacier Park Region-
Including the cities of East Glacier Park, Kiowa, Babb,
Saint Mary, Marias Pass, and Logan Pass
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny until late afternoon then becoming mostly
cloudy. A 20 percent chance of thunderstorms in the afternoon.
Highs 60 to 70. West winds 5 to 10 mph.
.TONIGHT...Mostly cloudy with a 20 percent chance of rain showers
in the evening, then partly cloudy after midnight. Lows in the
upper 40s. Southwest winds up to 10 mph.
.MONDAY...Mostly cloudy. A 20 percent chance of thunderstorms in
the afternoon. Highs 61 to 69. Southwest winds up to 15 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 40s. Southwest
winds up to 10 mph.
.TUESDAY...Mostly sunny. Highs 62 to 72. West winds up to 15 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 63 to 74.
Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs 66 to 76.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows in the lower 50s.
.SATURDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 63 to 73.
$$
MTZ307-162200-
Southern Rocky Mountain Front-
Including the city of Rogers Pass
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Slight chance of thunderstorms early in
the afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Highs 63 to 73. West winds
up to 15 mph. Gusts up to 30 mph in the afternoon. Chance of
precipitation 40 percent.
.TONIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms in the evening, then partly cloudy after midnight.
Lows 44 to 50. West winds up to 10 mph.
.MONDAY...Partly sunny. Highs 63 to 73. West winds up to 10 mph.
Gusts up to 25 mph in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Lows 45 to 51. West winds up to
10 mph. Gusts up to 25 mph in the evening.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 63 to 73. West winds up to 10 mph. Gusts up
to 25 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows 44 to 50.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 65 to 78. Lows
46 to 52.
.THURSDAY NIGHT...Partly cloudy. Lows 48 to 54.
.FRIDAY...Mostly sunny. A 20 percent chance of rain showers in
the afternoon. Highs 69 to 79.
.FRIDAY NIGHT...Mostly cloudy with chance of rain showers in the
evening, then partly cloudy with slight chance of rain showers
after midnight. Lows 49 to 55. Chance of showers 30 percent.
.SATURDAY...Mostly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs 66 to 76. Chance
of precipitation 30 percent.
$$
MTZ302-162200-
Northern High Plains-
Including the cities of Browning, Heart Butte, and Dupuyer
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the lower 70s. West winds up to 10 mph.
.TONIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms in the evening, then partly cloudy after midnight.
Lows in the upper 40s. West winds up to 10 mph.
.MONDAY...Mostly cloudy. A 20 percent chance of thunderstorms in
the afternoon. Highs in the lower 70s. West winds up to 10 mph.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the upper 40s. Northwest winds up to 10 mph
shifting to the southwest after midnight.
.TUESDAY...Mostly sunny. Highs in the mid 70s. West winds up to
10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 50.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs in the
upper 70s. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the upper 70s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows in the lower 50s.
.SATURDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the mid 70s.
$$
MTZ308-162200-
Southern High Plains-
Including the cities of Bynum, Choteau, and Pendroy
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Slight chance of thunderstorms early in
the afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Highs in the upper 70s. West
winds up to 10 mph. Gusts up to 25 mph in the afternoon. Chance
of precipitation 40 percent.
.TONIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms in the evening, then partly cloudy after midnight.
Lows in the lower 50s. West winds up to 10 mph.
.MONDAY...Partly sunny. Highs in the upper 70s. West winds up to
10 mph.
.MONDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
showers in the evening. Lows in the lower 50s. North winds up to
10 mph shifting to the west after midnight.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the upper 70s. West winds up to 5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs in the
lower 80s. Lows in the mid 50s.
.FRIDAY...Mostly sunny. Highs in the lower 80s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows in the mid 50s.
.SATURDAY...Mostly sunny. Slight chance of rain showers in the
morning, then slight chance of thunderstorms in the afternoon.
Highs in the lower 80s. Chance of precipitation 20 percent.
$$
MTZ303-162200-
Eastern Glacier, Western Toole, and Central Pondera-
Including the cities of Cut Bank, Ethridge, and Santa Rita
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny until late afternoon then becoming mostly
cloudy. Slight chance of thunderstorms early in the afternoon.
Chance of rain showers and slight chance of thunderstorms late in
the afternoon. Highs in the mid 70s. West winds up to 10 mph.
Gusts up to 25 mph in the afternoon. Chance of precipitation
40 percent.
.TONIGHT...Mostly cloudy with slight chance of thunderstorms in
the evening, then partly cloudy with slight chance of rain
showers after midnight. Lows in the upper 40s. Northwest winds up
to 10 mph. Chance of precipitation 20 percent.
.MONDAY...Mostly cloudy. Highs in the mid 70s. West winds up to
10 mph.
.MONDAY NIGHT...Mostly cloudy with slight chance of thunderstorms
in the evening, then partly cloudy with slight chance of rain
showers after midnight. Lows in the upper 40s. Northeast winds up
to 10 mph shifting to the south after midnight. Chance of
precipitation 20 percent.
.TUESDAY...Mostly sunny. Highs in the mid 70s. Southwest winds up
to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 50.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs around
80. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs around 80.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of rain showers. Lows in the mid 50s. Highs in the upper 70s.
&&
TEMPERATURE / PRECIPITATION
Cut Bank 75 47 74 / 20 20 10
$$
MTZ304-162200-
Eastern Toole and Liberty-
Including the cities of Devon, Shelby, Chester, Galata, Joplin,
Lothair, and Whitlash
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Patchy fog early in the morning. Slight
chance of thunderstorms early in the afternoon. Chance of rain
showers and slight chance of thunderstorms late in the afternoon.
Highs 75 to 81. Southwest winds up to 10 mph shifting to the west
with gusts to around 25 mph in the afternoon. Chance of
precipitation 40 percent.
.TONIGHT...Mostly cloudy with slight chance of thunderstorms in
the evening, then partly cloudy with slight chance of rain
showers after midnight. Lows in the lower 50s. Northwest winds up
to 10 mph. Gusts up to 25 mph in the evening. Chance of
precipitation 20 percent.
.MONDAY...Mostly cloudy. A 20 percent chance of thunderstorms in
the afternoon. Highs 73 to 79. Northeast winds up to 5 mph
shifting to the southwest in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in
the evening, then slight chance of rain showers after midnight.
Lows in the lower 50s. North winds up to 5 mph shifting to the
east after midnight. Chance of precipitation 20 percent.
.TUESDAY...Mostly sunny. Highs 75 to 81. East winds up to 5 mph
shifting to the south in the afternoon.
.TUESDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 50s.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 78 to 86.
Lows in the mid 50s.
.FRIDAY...Mostly sunny. Highs 80 to 86.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of rain showers. Lows in the mid 50s. Highs 79 to 85.
$$
MTZ305-162200-
Hill County-
Including the city of Havre
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Patchy fog early in the morning. Slight
chance of rain showers early in the morning. Slight chance of
rain showers early in the afternoon, then slight chance of
thunderstorms late in the afternoon. Highs in the lower 80s.
South winds up to 10 mph shifting to the west with gusts to
around 25 mph in the afternoon. Chance of precipitation
20 percent.
.TONIGHT...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 lower
50s. Northwest winds up to 10 mph. Gusts up to 25 mph in the
evening. Chance of precipitation 30 percent.
.MONDAY...Partly sunny in the morning, then cloudy with chance of
rain showers and slight chance of thunderstorms in the afternoon.
Highs in the upper 70s. North winds up to 5 mph. Chance of
precipitation 50 percent.
.MONDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in
the evening, then slight chance of rain showers after midnight.
Lows around 50. Northeast winds up to 5 mph. Chance of
precipitation 20 percent.
.TUESDAY...Mostly sunny. Highs around 80. Northeast winds up to
5 mph shifting to the southeast in the afternoon.
.TUESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in the
lower 50s. Highs in the mid 80s.
.FRIDAY...Mostly sunny. Highs in the mid 80s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of rain showers. Lows in the mid 50s. Highs in the mid 80s.
&&
TEMPERATURE / PRECIPITATION
Havre 84 51 81 / 30 30 30
$$
MTZ306-162200-
Northern Blaine County-
Including the cities of Chinook, Zurich, Harlem, Hogeland,
and Fort Belknap
336 AM MDT Sun Aug 16 2026
.TODAY...Partly sunny then becoming sunny in the late morning and
early afternoon then becoming partly sunny. Patchy fog early in
the morning. A 20 percent chance of thunderstorms late in the
afternoon. Highs in the lower 80s. South winds up to 10 mph
shifting to the west in the afternoon.
.TONIGHT...Mostly cloudy with a 40 percent chance of
thunderstorms in the evening, then partly cloudy after midnight.
Lows in the lower 50s. Northwest winds 5 to 10 mph. Gusts up to
25 mph in the evening.
.MONDAY...Mostly cloudy. A 20 percent chance of thunderstorms in
the afternoon. Highs in the upper 70s. Northwest winds up to
5 mph.
.MONDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
showers in the evening. Lows in the upper 40s. North winds 5 to
10 mph shifting to the east after midnight.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the upper 70s. Southeast winds up to
5 mph.
.TUESDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 50s.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the mid 80s.
Lows in the lower 50s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the lower
50s. Highs in the mid 80s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of rain showers. Lows in the mid 50s. Highs in the mid 80s.
$$
MTZ309-162200-
Eastern Pondera and Eastern Teton-
Including the cities of Brady, Conrad, and Ledger
336 AM MDT Sun Aug 16 2026
.TODAY...Partly sunny. Patchy fog early in the morning. Slight
chance of thunderstorms early in the afternoon. Chance of rain
showers and slight chance of thunderstorms late in the afternoon.
Highs around 80. West winds up to 10 mph. Gusts up to 25 mph in
the afternoon. Chance of precipitation 40 percent.
.TONIGHT...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms in the evening, then partly cloudy after
midnight. Lows in the upper 40s. North winds 5 to 10 mph shifting
to the west after midnight. Chance of precipitation 40 percent.
.MONDAY...Mostly cloudy. Highs in the upper 70s. West winds up to
5 mph shifting to the north in the afternoon.
.MONDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms in the evening, then mostly cloudy after midnight.
Lows around 50. Northeast winds up to 10 mph shifting to the
south after midnight.
.TUESDAY...Mostly sunny. Highs around 80. Southwest winds up to
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 50.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs in the
mid 80s. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the mid 80s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of rain showers. Lows in the mid 50s. Highs in the mid 80s.
$$
MTZ310-162200-
Western and Central Chouteau County-
Including the cities of Floweree, Carter, and Fort Benton
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Slight chance of rain showers early in the
afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Highs in the lower 80s. West
winds up to 10 mph. Chance of precipitation 40 percent.
.TONIGHT...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms in the evening, then partly cloudy after
midnight. Lows in the lower 50s. West winds up to 10 mph. Gusts
up to 25 mph in the evening. Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy. Highs around 80. West winds up to 5 mph
shifting to the northwest in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening. Lows in the lower 50s.
Northeast winds up to 10 mph shifting to the southeast after
midnight. Chance of precipitation 40 percent.
.TUESDAY...Mostly sunny. Highs in the lower 80s. Southeast winds
up to 5 mph shifting to the southwest in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs in the
mid 80s. Lows in the mid 50s.
.FRIDAY...Mostly sunny. Highs in the upper 80s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of rain showers. Lows in the upper 50s. Highs in the mid 80s.
$$
MTZ311-162200-
Bears Paw Mountains and Southern Blaine-
Including the city of Rocky Boy
336 AM MDT Sun Aug 16 2026
.TODAY...Partly sunny then becoming sunny in the late morning and
early afternoon then becoming partly sunny. Slight chance of rain
showers early in the morning. Slight chance of thunderstorms in
the afternoon. Highs 77 to 83. West winds up to 10 mph. Chance of
precipitation 20 percent.
.TONIGHT...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. West winds up to 10 mph. Gusts up
to 25 mph in the evening. Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs 75 to 81. Northwest
winds up to 5 mph. Chance of precipitation 40 percent.
.MONDAY NIGHT...Mostly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 50s. North winds
up to 5 mph shifting to the east after midnight.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 76 to 82. Southeast winds up to 5 mph.
.TUESDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the mid 50s.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 81 to 87.
Lows in the upper 50s.
.FRIDAY...Mostly sunny. Highs 81 to 87.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of rain showers. Lows around 60. Highs 81 to 87.
$$
MTZ312-162200-
Cascade County below 5000ft-
Including the city of Great Falls
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Slight chance of rain showers early in the
afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Highs in the lower 80s.
Southwest winds 5 to 10 mph. Gusts up to 25 mph in the afternoon.
Chance of precipitation 40 percent.
.TONIGHT...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms in the evening, then partly cloudy after
midnight. Lows in the lower 50s. North winds 5 to 10 mph with
gusts to around 25 mph shifting to the southwest after midnight.
Chance of precipitation 50 percent.
.MONDAY...Partly sunny. Highs in the lower 80s. Southwest winds
up to 5 mph shifting to the northwest in the afternoon.
.MONDAY NIGHT...Mostly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 50s. Northeast
winds 5 to 10 mph shifting to the south after midnight.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the lower 80s. Southwest winds up to
10 mph.
.TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain
showers in the evening. Lows in the lower 50s.
.WEDNESDAY THROUGH FRIDAY...Mostly clear. Highs in the mid 80s.
Lows in the mid 50s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 30 percent chance
of rain showers. Lows in the upper 50s. Highs in the mid 80s.
&&
TEMPERATURE / PRECIPITATION
Great Falls Arpt 83 52 81 / 40 40 10
$$
MTZ313-162200-
Judith Basin County and Judith Gap-
Including the cities of Raynesford, Geyser, Stanford, Windham,
Benchland, Hobson, and Moccasin
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Slight chance of thunderstorms early in
the afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Highs in the upper 70s.
Southwest winds up to 10 mph shifting to the northwest in the
afternoon. Chance of precipitation 40 percent.
.TONIGHT...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. Northwest winds up to 10 mph
with gusts to around 25 mph shifting to the southwest after
midnight. Chance of precipitation 50 percent.
.MONDAY...Partly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs in the upper 70s.
Southwest winds up to 5 mph shifting to the north in the
afternoon. Chance of precipitation 50 percent.
.MONDAY NIGHT...Mostly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 50s. Northeast
winds up to 10 mph shifting to the southwest after midnight.
.TUESDAY...Partly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs in the upper 70s.
Southwest winds up to 5 mph shifting to the west in the
afternoon. Chance of precipitation 50 percent.
.TUESDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 50s.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs in the
lower 80s. Lows in the mid 50s.
.FRIDAY...Mostly sunny. Highs in the mid 80s.
.FRIDAY NIGHT...Mostly cloudy with chance of rain showers in the
evening, then partly cloudy with slight chance of rain showers
after midnight. Lows in the mid 50s. Chance of showers
30 percent.
.SATURDAY...Mostly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of precipitation 40 percent.
$$
MTZ314-162200-
Fergus County below 4500ft-
Including the cities of Hilger and Lewistown
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Slight chance of rain showers early in the
afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Highs in the lower 80s.
Southwest winds up to 10 mph shifting to the northwest in the
afternoon. Chance of precipitation 40 percent.
.TONIGHT...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms in the evening, then partly cloudy after
midnight. Lows 52 to 58. West winds up to 10 mph. Gusts up to
25 mph in the evening. Chance of precipitation 50 percent.
.MONDAY...Partly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs around 80. West winds up to 5 mph shifting
to the northeast in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then slight chance of
rain showers after midnight. Lows 51 to 57. East winds up to
10 mph shifting to the south after midnight. Chance of
precipitation 40 percent.
.TUESDAY...Mostly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs around 80. South winds
up to 5 mph shifting to the northwest in the afternoon. Chance of
precipitation 50 percent.
.TUESDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows 51 to 57.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 82 to 88.
Lows 54 to 60.
.FRIDAY...Mostly sunny. Highs in the upper 80s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 30 percent chance
of rain showers. Lows 56 to 62. Highs in the upper 80s.
&&
TEMPERATURE / PRECIPITATION
Lewistown 79 50 77 / 30 30 20
$$
MTZ315-162200-
Upper Blackfoot and MacDonald Pass-
Including the cities of Marysville, Lincoln, Flesher Pass,
and MacDonald Pass
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny until late afternoon then becoming mostly
cloudy. Patchy fog early in the morning. Slight chance of rain
showers early in the afternoon. Chance of rain showers and slight
chance of thunderstorms late in the afternoon. Highs 68 to 76.
West winds up to 10 mph. Gusts up to 25 mph in the afternoon.
Chance of precipitation 40 percent.
.TONIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in
the evening. Lows 45 to 53. West winds up to 10 mph.
.MONDAY...Mostly cloudy. Highs 68 to 76. West winds up to 10 mph.
Gusts up to 25 mph in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Lows 47 to 55. West winds up to
10 mph.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 68 to 76. West winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 45 to 53.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 68 to 82. Lows
47 to 55.
.THURSDAY NIGHT...Partly cloudy. Lows 50 to 58.
.FRIDAY...Mostly sunny. A 20 percent chance of rain showers in
the afternoon. Highs 74 to 82.
.FRIDAY NIGHT...Mostly cloudy with chance of rain showers in the
evening, then partly cloudy with slight chance of rain showers
after midnight. Lows 50 to 58. Chance of showers 30 percent.
.SATURDAY...Mostly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs 71 to 79. Chance
of precipitation 40 percent.
$$
MTZ316-162200-
Gates of the Mountains-
Including the cities of Canyon Creek, Wolf Creek, and Craig
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Slight chance of rain showers early in the
afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Highs 74 to 82. Southwest
winds up to 10 mph. Gusts up to 25 mph in the afternoon. Chance
of precipitation 40 percent.
.TONIGHT...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms in the evening, then partly cloudy after
midnight. Lows in the lower 50s. West winds 5 to 10 mph with
gusts to around 25 mph shifting to the southwest after midnight.
Chance of precipitation 50 percent.
.MONDAY...Partly sunny. Highs 74 to 82. Southwest winds up to
10 mph.
.MONDAY NIGHT...Mostly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the mid 50s. Northwest
winds up to 10 mph shifting to the southwest after midnight.
.TUESDAY...Mostly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs 74 to 82. Southwest
winds up to 10 mph. Chance of precipitation 30 percent.
.TUESDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 50s.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 76 to 87. Lows
in the mid 50s.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.FRIDAY...Mostly sunny. A 20 percent chance of rain showers in
the afternoon. Highs 80 to 88.
.FRIDAY NIGHT...Mostly cloudy with chance of rain showers in the
evening, then partly cloudy with slight chance of rain showers
after midnight. Lows in the upper 50s. Chance of showers
30 percent.
.SATURDAY...Mostly sunny. Slight chance of rain showers in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs 77 to 85. Chance of
precipitation 40 percent.
$$
MTZ317-162200-
Little Belt and Highwood Mountains-
Including the cities of Monarch, Neihart, and Kings Hill Pass
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Slight chance of thunderstorms early in
the afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Highs 68 to 76. West winds
up to 10 mph. Chance of precipitation 40 percent.
.TONIGHT...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms in the evening, then partly cloudy after
midnight. Lows 47 to 53. West winds 5 to 10 mph with gusts to
around 25 mph shifting to the southwest after midnight. Chance of
precipitation 50 percent.
.MONDAY...Partly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 67 to 75. Southwest winds up to 5 mph with
gusts to around 20 mph shifting to the west with gusts to around
30 mph in the afternoon.
.MONDAY NIGHT...Mostly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows 48 to 54. North winds up to
10 mph with gusts to around 30 mph shifting to the south after
midnight.
.TUESDAY...Partly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs 67 to 75. Southwest
winds up to 10 mph. Gusts up to 25 mph in the afternoon. Chance
of precipitation 50 percent.
.TUESDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows 46 to 54.
.WEDNESDAY...Sunny. Highs 70 to 78.
.WEDNESDAY NIGHT...Partly cloudy. Lows 49 to 57.
.THURSDAY...Sunny. Highs 73 to 81.
.THURSDAY NIGHT...Partly cloudy. Lows 51 to 57.
.FRIDAY...Mostly sunny. A 20 percent chance of rain showers in
the afternoon. Highs 74 to 82.
.FRIDAY NIGHT...Mostly cloudy with chance of rain showers in the
evening, then partly cloudy with slight chance of rain showers
after midnight. Lows 53 to 59. Chance of showers 30 percent.
.SATURDAY...Mostly 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 40 percent.
$$
MTZ318-162200-
Snowy and Judith Mountains-
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Slight chance of thunderstorms early in
the afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Highs 71 to 77. West winds
5 to 10 mph. Chance of precipitation 40 percent.
.TONIGHT...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms in the evening, then partly cloudy after
midnight. Lows 49 to 55. West winds up to 10 mph. Chance of
precipitation 50 percent.
.MONDAY...Mostly cloudy. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs 69 to 75. West winds up
to 10 mph. Chance of precipitation 50 percent.
.MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then slight chance of
rain showers after midnight. Lows in the lower 50s. Northeast
winds 5 to 10 mph shifting to the south after midnight. Chance of
precipitation 40 percent.
.TUESDAY...Partly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs 68 to 74. Southwest
winds up to 5 mph shifting to the northwest in the afternoon.
Chance of precipitation 50 percent.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms in the evening, then partly cloudy after midnight.
Lows 48 to 54.
.WEDNESDAY...Sunny. Highs 72 to 80.
.WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 57.
.THURSDAY...Sunny. Highs 75 to 83.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the mid 50s.
Highs 76 to 82.
.FRIDAY NIGHT...Mostly cloudy with chance of rain showers in the
evening, then partly cloudy with slight chance of rain showers
after midnight. Lows 54 to 60. Chance of showers 30 percent.
.SATURDAY...Partly sunny. A 30 percent chance of rain showers in
the afternoon. Highs 76 to 82.
$$
MTZ319-162200-
Helena Valley-
Including the city of Helena
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny until late afternoon then becoming mostly
cloudy. Patchy fog early in the morning. Slight chance of rain
showers early in the afternoon. Chance of rain showers and slight
chance of thunderstorms late in the afternoon. Highs in the lower
80s. Southeast winds up to 5 mph shifting to the northwest in the
afternoon. Chance of precipitation 40 percent.
.TONIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening. Lows in the upper 40s.
West winds 5 to 10 mph shifting to the south after midnight.
Chance of precipitation 40 percent.
.MONDAY...Mostly cloudy. Highs in the lower 80s. Southwest winds
up to 10 mph.
.MONDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in
the evening, then slight chance of rain showers after midnight.
Lows in the lower 50s. Southwest winds up to 10 mph. Chance of
precipitation 20 percent.
.TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the lower 80s. South winds up to 5 mph
shifting to the west in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the mid 80s.
Lows in the lower 50s.
.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 upper 80s.
.FRIDAY NIGHT...Mostly cloudy with chance of rain showers in the
evening, then partly cloudy with slight chance of rain showers
after midnight. Lows in the mid 50s. Chance of showers
30 percent.
.SATURDAY...Mostly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of precipitation 40 percent.
&&
TEMPERATURE / PRECIPITATION
Helena 82 51 81 / 30 40 10
$$
MTZ320-162200-
Big Belt, Bridger and Castle Mountains-
Including the cities of Trident, Maudlow, Battle Ridge Pass,
Bozeman Pass, and Deep Creek Pass
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Slight chance of rain showers early in the
afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Highs 68 to 76. West winds
up to 10 mph with gusts to around 25 mph. Chance of precipitation
40 percent.
.TONIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening. Lows in the lower 50s.
West winds 5 to 10 mph with gusts to around 30 mph shifting to
the south after midnight. Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy. Highs 68 to 76. Southwest winds up to
10 mph. Gusts up to 20 mph increasing to 35 mph in the afternoon.
.MONDAY 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 lower 50s. West winds up to
10 mph with gusts to around 30 mph shifting to the southeast
after midnight. Chance of precipitation 50 percent.
.TUESDAY...Mostly sunny. Slight chance of rain showers in the
morning, then slight chance of thunderstorms in the afternoon.
Highs 67 to 75. South winds up to 5 mph shifting to the west with
gusts to around 25 mph in the afternoon. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the lower 50s.
.WEDNESDAY...Sunny. Highs 68 to 78.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Sunny. Highs 72 to 82.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.FRIDAY...Mostly sunny. A 20 percent chance of rain showers in
the afternoon. Highs 74 to 84.
.FRIDAY NIGHT...Partly cloudy with chance of rain showers in the
evening, then mostly cloudy with slight chance of rain showers
after midnight. Lows in the mid 50s. Chance of showers
30 percent.
.SATURDAY...Mostly 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 40 percent.
$$
MTZ321-162200-
Meagher County Valleys-
Including the cities of Martinsdale, Checkerboard, Ringling,
and White Sulphur Springs
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Patchy fog early in the morning. A
20 percent chance of thunderstorms late in the afternoon. Highs
in the mid 70s. West winds up to 15 mph.
.TONIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in
the evening. Lows in the upper 40s. Northwest winds 5 to 15 mph
with gusts to around 30 mph shifting to the southwest after
midnight.
.MONDAY...Mostly cloudy. Highs in the mid 70s. Southwest winds up
to 5 mph shifting to the west 5 to 15 mph with gusts to around
30 mph in the afternoon.
.MONDAY 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 40s. West winds
5 to 10 mph with gusts to around 30 mph shifting to the south
after midnight. Chance of precipitation 30 percent.
.TUESDAY...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 70s. Southwest
winds up to 5 mph shifting to the west 5 to 15 mph in the
afternoon. Chance of precipitation 50 percent.
.TUESDAY NIGHT...Partly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 50.
.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 lower 80s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers in the evening, then mostly cloudy after midnight. Lows
in the lower 50s.
.SATURDAY...Mostly 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.
$$
MTZ322-162200-
Elkhorn and Boulder Mountains-
Including the cities of Montana City, Clancy, Boulder, Corbin,
Wickes, Elk Park Pass, and Homestake Pass
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Chance of rain showers early in the
afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Highs 68 to 76. West winds
up to 10 mph. Chance of precipitation 50 percent.
.TONIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening. Lows 45 to 53. West winds
up to 10 mph. Gusts up to 25 mph in the evening. Chance of
precipitation 50 percent.
.MONDAY...Mostly cloudy. A 20 percent chance of thunderstorms in
the afternoon. Highs 68 to 76. West winds up to 10 mph. Gusts up
to 25 mph in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then chance of rain
showers after midnight. Lows 48 to 56. West winds up to 10 mph.
Chance of precipitation 40 percent.
.TUESDAY...Mostly sunny. A 40 percent chance of thunderstorms in
the afternoon. Highs 67 to 75. West winds up to 10 mph.
.TUESDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows 45 to 53. Chance of precipitation
30 percent.
.WEDNESDAY...Sunny. Highs 69 to 77.
.WEDNESDAY NIGHT...Partly cloudy. Lows 47 to 55.
.THURSDAY...Sunny. Highs 73 to 81.
.THURSDAY NIGHT...Partly cloudy. Lows 50 to 58.
.FRIDAY...Mostly sunny. A 20 percent chance of rain showers in
the afternoon. Highs 74 to 82.
.FRIDAY NIGHT...Mostly cloudy. A 30 percent chance of rain
showers in the evening. Lows 51 to 59.
.SATURDAY...Partly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs 72 to 80. Chance
of precipitation 40 percent.
$$
MTZ323-162200-
Canyon Ferry Area-
Including the cities of Toston, Townsend, and Winston
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Patchy fog early in the morning. Slight
chance of rain showers early in the afternoon. Chance of rain
showers and slight chance of thunderstorms late in the afternoon.
Highs in the upper 70s. South winds up to 5 mph shifting to the
northwest in the afternoon. Chance of precipitation 40 percent.
.TONIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening. Lows 49 to 55. West winds
5 to 10 mph with gusts to around 25 mph shifting to the south
after midnight. Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy. A 20 percent chance of thunderstorms in
the afternoon. Highs in the upper 70s. South winds up to 5 mph
shifting to the west in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then slight chance of
rain showers after midnight. Lows 51 to 57. Northwest winds up to
10 mph shifting to the south after midnight. Chance of
precipitation 40 percent.
.TUESDAY...Partly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the upper 70s. South winds up to 5 mph
shifting to the southwest in the afternoon.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms in the evening, then partly cloudy after midnight.
Lows 49 to 55.
.WEDNESDAY...Sunny. Highs around 80.
.WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 57.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows 53 to 59.
.FRIDAY...Mostly sunny. A 20 percent chance of rain showers in
the afternoon. Highs in the mid 80s.
.FRIDAY NIGHT...Mostly cloudy. A 30 percent chance of rain
showers in the evening. Lows 54 to 60.
.SATURDAY...Mostly 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 40 percent.
$$
MTZ324-162200-
Missouri Headwaters-
Including the cities of Harrison, Three Forks, Willow Creek,
Pony, and Whitehall
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Patchy fog early in the morning. Slight
chance of rain showers early in the afternoon. Chance of rain
showers and slight chance of thunderstorms late in the afternoon.
Highs in the upper 70s. Southwest winds up to 5 mph shifting to
the northwest in the afternoon. Chance of precipitation
50 percent.
.TONIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening. Lows around 50. Northwest
winds 5 to 10 mph with gusts to around 25 mph shifting to the
southwest after midnight. Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy. A 20 percent chance of thunderstorms in
the afternoon. Highs in the upper 70s. Southwest winds up to
10 mph.
.MONDAY 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 lower 50s. West winds up to
5 mph. Chance of precipitation 50 percent.
.TUESDAY...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 upper 70s. Southwest
winds up to 10 mph. Chance of precipitation 40 percent.
.TUESDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows around 50. Chance of precipitation
30 percent.
.WEDNESDAY...Sunny. Highs in the lower 80s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the mid 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 mid 80s.
.FRIDAY NIGHT...Mostly cloudy. A 30 percent chance of rain
showers in the evening. Lows in the mid 50s.
.SATURDAY...Mostly 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.
$$
MTZ325-162200-
Madison River Valley-
Including the cities of Cameron, Ennis, Jeffers, McAllister,
and Norris
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Slight chance of thunderstorms early in
the afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Highs in the upper 70s.
Southwest winds up to 10 mph. Chance of precipitation 50 percent.
.TONIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening. Lows 45 to 51. Southwest
winds up to 10 mph. Gusts up to 25 mph in the evening. Chance of
precipitation 50 percent.
.MONDAY...Mostly cloudy. A 20 percent chance of thunderstorms in
the afternoon. Highs in the upper 70s. South winds up to 5 mph
shifting to the west in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then chance of rain
showers after midnight. Lows 48 to 54. South winds up to 10 mph.
Chance of precipitation 50 percent.
.TUESDAY...Partly sunny. Chance of rain showers in the morning,
then chance of thunderstorms in the afternoon. Highs in the upper
70s. South winds up to 5 mph shifting to the west in the
afternoon. Chance of precipitation 50 percent.
.TUESDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows 45 to 51. Chance of precipitation
40 percent.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows 48 to 54.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows 51 to 57.
.FRIDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the mid 80s.
.FRIDAY NIGHT...Partly cloudy with a 30 percent chance of rain
showers in the evening, then mostly cloudy after midnight. Lows
52 to 58.
.SATURDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs in
the lower 80s. Chance of precipitation 40 percent.
$$
MTZ326-162200-
Gallatin Valley-
Including the cities of Bozeman and Gallatin Gateway
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Patchy fog early in the morning. Slight
chance of rain showers early in the afternoon. Chance of rain
showers and slight chance of thunderstorms late in the afternoon.
Highs in the upper 70s. South winds up to 5 mph shifting to the
northwest in the afternoon. Chance of precipitation 50 percent.
.TONIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening. Lows around 50. West
winds 5 to 10 mph with gusts to around 25 mph shifting to the
southeast after midnight. Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy. A 20 percent chance of thunderstorms in
the afternoon. Highs in the upper 70s. South winds up to 5 mph
shifting to the northwest in the afternoon.
.MONDAY 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 lower 50s. South winds up to
10 mph. Chance of precipitation 50 percent.
.TUESDAY...Mostly sunny. Chance of rain showers in the morning,
then slight chance of thunderstorms in the afternoon. Highs in
the upper 70s. Southeast winds up to 5 mph shifting to the
northwest in the afternoon. Chance of precipitation 40 percent.
.TUESDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows around 50. Chance of precipitation
40 percent.
.WEDNESDAY...Sunny. Highs around 80.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the mid 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 mid 80s.
.FRIDAY NIGHT...Mostly cloudy. A 30 percent chance of rain
showers in the evening. Lows in the mid 50s.
.SATURDAY...Mostly 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.
&&
TEMPERATURE / PRECIPITATION
Bozeman Airport 80 48 80 / 40 50 10
Bozeman MSU 78 50 79 / 30 50 10
$$
MTZ330-162200-
Gallatin and Madison County Mountains and Centennial Mountains-
Including the cities of Big Sky, West Yellowstone, Targhee Pass,
and Raynolds Pass
336 AM MDT Sun Aug 16 2026
.TODAY...Sunny early in the morning then becoming partly sunny.
Slight chance of rain showers early in the morning. Chance of
rain showers and slight chance of thunderstorms early in the
afternoon, then chance of thunderstorms late in the afternoon.
Highs 63 to 73. Southwest winds up to 10 mph. Gusts up to 25 mph
in the afternoon. Chance of precipitation 50 percent.
.TONIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening. Lows 42 to 50. West winds
up to 10 mph with gusts to around 25 mph shifting to the south
after midnight. Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy. A 20 percent chance of thunderstorms in
the afternoon. Highs 64 to 74. South winds up to 10 mph shifting
to the west in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then chance of rain
showers after midnight. Lows 44 to 52. Southwest winds up to
10 mph shifting to the south after midnight. Chance of
precipitation 50 percent.
.TUESDAY...Partly sunny. Chance of rain showers in the morning,
then chance of thunderstorms in the afternoon. Highs 63 to 73.
South winds up to 5 mph shifting to the west with gusts to around
30 mph in the afternoon. Chance of precipitation 50 percent.
.TUESDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Lows 42 to 50. Chance of precipitation
50 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 64 to 74.
Lows 45 to 53.
.THURSDAY...Sunny. Highs 68 to 78.
.THURSDAY NIGHT...Partly cloudy. Lows 48 to 56.
.FRIDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 71 to 81.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 20 percent chance of rain showers. Lows 49 to 57.
.SATURDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs
68 to 78. Chance of precipitation 50 percent.
&&
TEMPERATURE / PRECIPITATION
West Yellowstone 75 36 76 / 30 30 20
$$
MTZ327-162200-
Northwest Beaverhead County-
Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass,
and Chief Joseph Pass
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Slight chance of thunderstorms early in
the afternoon. Chance of thunderstorms late in the afternoon.
Highs 64 to 74. Southwest winds up to 10 mph. Chance of
thunderstorms 50 percent.
.TONIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms in the evening, then partly cloudy after midnight.
Lows 40 to 50. West winds up to 10 mph shifting to the south
after midnight.
.MONDAY...Mostly cloudy. A 20 percent chance of thunderstorms in
the afternoon. Highs 66 to 76. Southwest winds up to 5 mph
shifting to the west 5 to 15 mph in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then chance of rain
showers after midnight. Lows 42 to 52. Northwest winds up to
10 mph. Chance of precipitation 50 percent.
.TUESDAY...Partly sunny. A 50 percent chance of thunderstorms in
the afternoon. Highs 64 to 74. West winds up to 10 mph. Gusts up
to 25 mph in the afternoon.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms in the evening, then partly cloudy after midnight.
Lows 39 to 49.
.WEDNESDAY...Sunny. Highs 66 to 76.
.WEDNESDAY NIGHT...Partly cloudy. Lows 42 to 52.
.THURSDAY...Sunny. Highs 70 to 80.
.THURSDAY NIGHT...Partly cloudy. Lows 45 to 55.
.FRIDAY...Mostly sunny. Chance of rain showers and slight chance
of thunderstorms in the afternoon. Highs 72 to 82. Chance of
precipitation 30 percent.
.FRIDAY NIGHT...Mostly cloudy. A 30 percent chance of rain
showers in the evening. Lows 46 to 56.
.SATURDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs 68 to 78. Chance of
precipitation 50 percent.
$$
MTZ328-162200-
Beaverhead and Western Madison below 6000ft-
Including the cities of Bannack, Dillon, Glen, and Waterloo
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Patchy fog early in the morning. Slight
chance of thunderstorms early in the afternoon. Chance of
thunderstorms late in the afternoon. Highs 72 to 78. Southwest
winds up to 10 mph. Chance of thunderstorms 50 percent.
.TONIGHT...Mostly cloudy. A 50 percent chance of thunderstorms in
the evening. Lows in the upper 40s. North winds 5 to 10 mph
shifting to the south after midnight.
.MONDAY...Mostly cloudy. A 20 percent chance of thunderstorms in
the afternoon. Highs 74 to 80. Southwest winds up to 5 mph
shifting to the west in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then chance of rain
showers after midnight. Lows around 50. Northwest winds up to
10 mph shifting to the southwest after midnight. Chance of
precipitation 50 percent.
.TUESDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs
73 to 79. Southwest winds up to 10 mph. Gusts up to 25 mph in the
afternoon. Chance of precipitation 50 percent.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms in the evening, then partly cloudy after midnight.
Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs 75 to 81.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 50.
.THURSDAY...Sunny. Highs 78 to 84.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 80 to 86.
.FRIDAY NIGHT...Mostly cloudy. A 30 percent chance of rain
showers in the evening. 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 77 to 83. Chance of
precipitation 50 percent.
&&
TEMPERATURE / PRECIPITATION
Dillon 77 46 79 / 40 40 10
$$
MTZ329-162200-
Ruby Mountains and Southern Beaverhead Mountains-
Including the city of Monida Pass
336 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Chance of rain showers early in the
morning. Chance of thunderstorms in the afternoon. Highs 66 to
74. Southwest winds up to 10 mph. Chance of precipitation
50 percent.
.TONIGHT...Mostly cloudy. A 50 percent chance of thunderstorms in
the evening. Lows in the upper 40s. South winds up to 10 mph.
.MONDAY...Mostly cloudy. A 20 percent chance of thunderstorms in
the afternoon. Highs 67 to 75. South winds up to 10 mph shifting
to the west in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then chance of rain
showers after midnight. Lows around 50. West winds 5 to 10 mph
shifting to the south after midnight. Chance of precipitation
40 percent.
.TUESDAY...Partly sunny. A 50 percent chance of thunderstorms in
the afternoon. Highs 66 to 74. Southwest winds up to 5 mph
shifting to the west 5 to 15 mph in the afternoon.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms in the evening, then partly cloudy after midnight.
Lows in the upper 40s.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 68 to 76.
Lows in the lower 50s.
.THURSDAY...Sunny. Highs 72 to 80.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.FRIDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs 73 to 81.
.FRIDAY NIGHT...Mostly cloudy. A 30 percent chance of rain
showers in the evening. Lows in the mid 50s.
.SATURDAY...Partly sunny. Slight chance of rain showers in the
morning, then chance of thunderstorms in the afternoon. Highs
70 to 78. Chance of precipitation 50 percent.
$$