Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
446
FPUS55 KTFX 210207
ZFPTFX
Zone Forecast Product for Central and Southwest Montana
National Weather Service Great Falls MT
807 PM MDT Sun Sep 20 2026
Spot temperatures and probabilities of measurable precipitation
are for the rest of tonight, Monday, Monday night, and Tuesday.
MTZ301-211000-
East Glacier Park Region-
Including the cities of East Glacier Park, Kiowa, Babb,
Saint Mary, Marias Pass, and Logan Pass
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows in the mid 40s. Southwest
winds 5 to 10 mph with gusts to around 25 mph.
.MONDAY...Sunny. Highs 61 to 71. Southwest winds 5 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Southwest
winds 5 to 15 mph.
.TUESDAY...Sunny. Highs 60 to 70. Southwest winds 5 to 15 mph.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the upper 40s. Southwest winds 5 to
15 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 55 to 67. Lows
in the lower 40s.
.THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
after midnight. Lows in the upper 40s.
.FRIDAY...Partly sunny with a 50 percent chance of rain. Highs
52 to 62.
.FRIDAY NIGHT...Colder. Mostly cloudy. Rain and snow likely in
the evening, then snow likely and chance of rain after midnight.
Light snow accumulations. Lows 35 to 41. Chance of precipitation
60 percent.
.SATURDAY...Cooler. Mostly cloudy with a 50 percent chance of
rain and snow. Near steady temperature around 40.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
and snow. Lows 32 to 38.
.SUNDAY...Partly sunny. Highs 42 to 50.
$$
MTZ307-211000-
Southern Rocky Mountain Front-
Including the city of Rogers Pass
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows 38 to 46. Southwest winds
up to 5 mph.
.MONDAY...Sunny. Highs 63 to 73. Southwest winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s. Southwest
winds up to 10 mph.
.TUESDAY...Mostly sunny. Highs 62 to 72. Southwest winds up to
10 mph.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the mid 40s. West winds up to 10 mph.
.WEDNESDAY...Sunny. Highs 59 to 69.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 41 to 47.
Highs 62 to 72.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the upper 40s.
.FRIDAY...Mostly sunny. A 40 percent chance of rain in the
afternoon. Highs 57 to 67.
.FRIDAY NIGHT...Colder. Mostly cloudy. Chance of rain in the
evening, then chance of rain and snow after midnight. Lows 36 to
42. Chance of precipitation 50 percent.
.SATURDAY...Cooler. Partly sunny with a 40 percent chance of rain
and snow. Highs 42 to 52.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
and snow. Lows 32 to 38.
.SUNDAY...Partly sunny. Highs 44 to 54.
$$
MTZ302-211000-
Northern High Plains-
Including the cities of Browning, Heart Butte, and Dupuyer
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows in the mid 40s. Southwest
winds up to 10 mph.
.MONDAY...Sunny. Highs in the mid 70s. South winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Southwest
winds 5 to 10 mph.
.TUESDAY...Sunny. Highs in the mid 70s. Southwest winds 5 to
15 mph.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the upper 40s. Southwest winds 5 to
10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the
upper 60s. Lows in the mid 40s.
.THURSDAY AND THURSDAY NIGHT...Mostly cloudy. Highs around 70.
Lows in the upper 40s.
.FRIDAY...Partly sunny with a 20 percent chance of rain. Highs in
the mid 60s.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain.
Lows in the lower 40s.
.SATURDAY...Cooler. Mostly cloudy. Chance of rain in the morning,
then slight chance of rain in the afternoon. Highs in the lower
50s. Chance of rain 40 percent.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain.
Lows in the upper 30s.
.SUNDAY...Partly sunny. Highs in the mid 50s.
$$
MTZ308-211000-
Southern High Plains-
Including the cities of Bynum, Choteau, and Pendroy
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows in the mid 40s. South winds
up to 5 mph shifting to the southwest after midnight.
.MONDAY...Sunny. Highs in the upper 70s. South winds up to
10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Southwest
winds up to 10 mph.
.TUESDAY...Sunny. Highs in the upper 70s. Southwest winds up to
10 mph.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows around 50. West winds up to 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs in the mid
70s. Lows in the upper 40s.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs in the lower 70s.
.FRIDAY NIGHT AND SATURDAY...Cooler. Mostly cloudy. A 40 percent
chance of rain. Lows in the mid 40s. Highs in the mid 50s.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain.
Lows in the lower 40s.
.SUNDAY...Partly sunny. Highs in the upper 50s.
$$
MTZ303-211000-
Eastern Glacier, Western Toole, and Central Pondera-
Including the cities of Cut Bank, Ethridge, and Santa Rita
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows in the mid 40s. Southeast
winds up to 10 mph with gusts to around 25 mph.
.MONDAY...Sunny. Highs in the mid 70s. South winds up to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s. Southwest
winds up to 10 mph.
.TUESDAY...Sunny. Highs in the upper 70s. Southwest winds up to
10 mph.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the upper 40s. Southwest winds 5 to
10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the
lower 70s. Lows in the upper 40s.
.THURSDAY AND THURSDAY NIGHT...Mostly cloudy. Highs in the lower
70s. Lows in the upper 40s.
.FRIDAY...Partly sunny. A 20 percent chance of rain in the
afternoon. Highs in the upper 60s.
.FRIDAY NIGHT...Windy. Mostly cloudy with a 40 percent chance of
rain. Lows in the mid 40s.
.SATURDAY...Cooler. Partly sunny. Chance of rain in the morning,
then slight chance of rain in the afternoon. Highs in the lower
50s. Chance of rain 30 percent.
.SATURDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
after midnight. Lows in the upper 30s.
.SUNDAY...Partly sunny. Highs in the mid 50s.
&&
TEMPERATURE / PRECIPITATION
Cut Bank 44 76 45 77 / 0 0 0 0
$$
MTZ304-211000-
Eastern Toole and Liberty-
Including the cities of Devon, Shelby, Chester, Galata, Joplin,
Lothair, and Whitlash
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Patchy fog after midnight. Lows
in the upper 40s. Southeast winds 5 to 10 mph with gusts to
around 25 mph.
.MONDAY...Partly sunny in the morning then clearing. Patchy fog
in the morning. Highs in the mid 70s. Southeast winds 5 to
15 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast
winds 5 to 15 mph decreasing to up to 5 mph after midnight.
.TUESDAY...Mostly sunny. Highs in the upper 70s. Southwest winds
up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 50. Southwest winds
up to 5 mph.
.WEDNESDAY...Sunny. Highs 73 to 79.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the upper
40s. Highs 71 to 77.
.THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of rain
after midnight. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs 69 to 75.
.FRIDAY NIGHT...Breezy. Mostly cloudy. Chance of rain in the
evening, then slight chance of rain after midnight. Lows in the
mid 40s. Chance of rain 40 percent.
.SATURDAY...Cooler. Partly sunny with a 30 percent chance of
rain. Highs in the upper 50s.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. A 20 percent chance of rain. Lows around 40.
.SUNDAY...Partly sunny. Highs in the upper 50s.
$$
MTZ305-211000-
Hill County-
Including the city of Havre
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Partly cloudy. Patchy fog after midnight. Lows
in the mid 40s. Southeast winds up to 15 mph.
.MONDAY...Partly sunny in the morning then clearing. Patchy fog
in the morning. Highs in the mid 70s. Southeast winds up to
15 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast
winds up to 15 mph.
.TUESDAY...Mostly sunny. Highs in the upper 70s. South winds up
to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 50. South winds up to
5 mph.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the upper
40s. Highs in the upper 70s.
.THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain
after midnight. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the mid 70s.
.FRIDAY NIGHT...Breezy. Mostly cloudy. Chance of rain in the
evening, then slight chance of rain after midnight. Lows in the
mid 40s. Chance of rain 40 percent.
.SATURDAY...Cooler. Partly sunny. Slight chance of rain in the
morning, then chance of rain in the afternoon. Highs in the lower
60s. Chance of rain 30 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. A 20 percent chance of rain. Lows in the lower
40s.
.SUNDAY...Partly sunny. Highs around 60.
&&
TEMPERATURE / PRECIPITATION
Havre 45 79 47 81 / 0 0 0 0
$$
MTZ306-211000-
Northern Blaine County-
Including the cities of Chinook, Zurich, Harlem, Hogeland,
and Fort Belknap
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Partly cloudy early in the evening then
becoming mostly cloudy. Lows in the upper 40s. Southeast winds
5 to 15 mph.
.MONDAY...Partly sunny in the morning then clearing. Highs in the
lower 70s. Southeast winds 10 to 15 mph with gusts to around
30 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast
winds 10 to 20 mph.
.TUESDAY...Sunny. Highs in the upper 70s. Southeast winds 5 to
15 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 50. Southeast winds
up to 10 mph.
.WEDNESDAY THROUGH FRIDAY...Partly cloudy. Highs in the upper
70s. Lows in the lower 50s.
.FRIDAY NIGHT...Breezy. Mostly cloudy. Chance of rain in the
evening, then slight chance of rain after midnight. Lows in the
upper 40s. Chance of rain 40 percent.
.SATURDAY...Breezy, cooler. Partly sunny with a 20 percent chance
of rain. Highs in the lower 60s.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain in the evening,
then slight chance of rain after midnight. Lows in the lower 40s.
Chance of rain 30 percent.
.SUNDAY...Partly sunny. Highs in the upper 50s.
$$
MTZ309-211000-
Eastern Pondera and Eastern Teton-
Including the cities of Brady, Conrad, and Ledger
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Patchy fog early in the morning.
Lows in the mid 40s. Southeast winds up to 10 mph.
.MONDAY...Sunny. Highs in the upper 70s. South winds up to
10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s. Southeast
winds up to 10 mph shifting to the southwest after midnight.
.TUESDAY...Sunny. Highs around 80. Southwest winds up to 10 mph.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the upper 40s. Southwest winds up to
5 mph.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the upper
40s. Highs in the upper 70s.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows around 50.
.FRIDAY...Mostly sunny. Highs in the mid 70s.
.FRIDAY NIGHT AND SATURDAY...Cooler. Mostly cloudy. A 30 percent
chance of rain. Lows in the mid 40s. Highs in the upper 50s.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain.
Lows around 40.
.SUNDAY...Partly sunny. Highs in the upper 50s.
$$
MTZ310-211000-
Western and Central Chouteau County-
Including the cities of Floweree, Carter, and Fort Benton
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Patchy fog after midnight. Lows
in the upper 40s. Southeast winds up to 10 mph.
.MONDAY...Sunny. Patchy fog in the morning. Highs in the upper
70s. Southeast winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast
winds up to 15 mph with gusts to around 30 mph.
.TUESDAY...Sunny. Highs around 80. South winds up to 5 mph.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the lower 50s. East winds up to 5 mph
shifting to the south after midnight.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows in the
lower 50s. Highs in the upper 70s.
.FRIDAY NIGHT AND SATURDAY...Cooler. Mostly cloudy. A 30 percent
chance of rain. Lows in the upper 40s. Highs in the lower 60s.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. A 20 percent chance of rain. Lows in the lower
40s.
.SUNDAY...Partly sunny. Highs in the lower 60s.
$$
MTZ311-211000-
Bears Paw Mountains and Southern Blaine-
Including the city of Rocky Boy
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Partly cloudy. Patchy fog in the late evening
and overnight. Lows in the upper 40s. Southeast winds up to
10 mph with gusts to around 25 mph.
.MONDAY...Mostly sunny. Patchy fog in the morning. Highs 69 to
75. Southeast winds 5 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast
winds 5 to 15 mph with gusts to around 35 mph.
.TUESDAY...Sunny. Highs 75 to 81. South winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the lower 50s. Southeast winds up to
10 mph.
.WEDNESDAY...Sunny. Highs 75 to 81.
.WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows in the mid
50s. Highs 75 to 81.
.FRIDAY NIGHT AND SATURDAY...Cooler. Mostly cloudy. A 30 percent
chance of rain. Lows in the upper 40s. Highs 58 to 64.
.SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of rain.
Lows in the lower 40s.
.SUNDAY...Partly sunny. Highs 57 to 63.
$$
MTZ312-211000-
Cascade County below 5000ft-
Including the city of Great Falls
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows in the upper 40s. Southeast
winds up to 10 mph.
.MONDAY...Sunny. Highs in the upper 70s. South winds up to
10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
up to 10 mph with gusts to around 25 mph.
.TUESDAY...Sunny. Highs around 80. Southwest winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. South
winds up to 10 mph.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows in the
lower 50s. Highs in the upper 70s.
.FRIDAY NIGHT AND SATURDAY...Cooler. Mostly cloudy. A 30 percent
chance of rain. Lows in the upper 40s. Highs in the lower 60s.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. A 20 percent chance of rain. Lows in the lower
40s.
.SUNDAY...Partly sunny. Highs in the lower 60s.
&&
TEMPERATURE / PRECIPITATION
Great Falls Arpt 46 79 49 80 / 0 0 0 0
$$
MTZ313-211000-
Judith Basin County and Judith Gap-
Including the cities of Raynesford, Geyser, Stanford, Windham,
Benchland, Hobson, and Moccasin
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows in the lower 40s. South
winds up to 10 mph.
.MONDAY...Sunny. Highs in the mid 70s. Southeast winds up to
10 mph with gusts to around 25 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
5 to 15 mph with gusts to around 35 mph.
.TUESDAY...Sunny. Highs in the upper 70s. South winds up to
10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the lower 50s. South winds up to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the upper
70s. Lows around 50.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs in the upper 70s.
Lows in the lower 50s.
.FRIDAY NIGHT...Mostly cloudy with chance of rain in the evening,
then partly cloudy with slight chance of rain after midnight.
Lows in the mid 40s. Chance of rain 30 percent.
.SATURDAY AND SATURDAY NIGHT...Cooler. Mostly cloudy. A
30 percent chance of rain. Highs in the lower 60s. Lows in the
upper 30s.
.SUNDAY...Partly sunny. Highs in the lower 60s.
$$
MTZ314-211000-
Fergus County below 4500ft-
Including the cities of Hilger and Lewistown
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Partly cloudy. Patchy fog in the late evening
and overnight. Lows 44 to 50. Southeast winds up to 10 mph.
.MONDAY...Mostly sunny. Patchy fog in the morning. Highs in the
mid 70s. Southeast winds up to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast
winds 5 to 15 mph with gusts to around 30 mph.
.TUESDAY...Sunny. Highs around 80. Southeast winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the lower 50s. Southeast winds up to
10 mph shifting to the south after midnight.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the lower
50s. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.FRIDAY...Sunny. Highs in the lower 80s.
.FRIDAY NIGHT...Breezy. Partly cloudy with a 20 percent chance of
rain. Lows around 50.
.SATURDAY AND SATURDAY NIGHT...Cooler. Mostly cloudy. A
30 percent chance of rain. Highs in the mid 60s. Lows in the
lower 40s.
.SUNDAY...Partly sunny. Highs in the lower 60s.
&&
TEMPERATURE / PRECIPITATION
Lewistown 42 75 46 79 / 0 0 0 0
$$
MTZ315-211000-
Upper Blackfoot and MacDonald Pass-
Including the cities of Marysville, Lincoln, Flesher Pass,
and MacDonald Pass
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows in the lower 40s. Southwest
winds up to 5 mph.
.MONDAY...Sunny. Highs 65 to 73. Southwest winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s. Southwest
winds up to 5 mph.
.TUESDAY...Mostly sunny. Highs 66 to 74. Southwest winds up to
5 mph.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the upper 40s. West winds up to 10 mph.
.WEDNESDAY...Sunny. Highs 64 to 72.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
47 to 53. Highs 68 to 76.
.FRIDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs 64 to 72.
.FRIDAY NIGHT AND SATURDAY...Cooler. Mostly cloudy. A 30 percent
chance of rain. Lows 38 to 44. Highs 49 to 57.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain.
Lows 34 to 40.
.SUNDAY...Partly sunny. Highs 51 to 59.
$$
MTZ316-211000-
Gates of the Mountains-
Including the cities of Canyon Creek, Wolf Creek, and Craig
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows in the upper 40s. South
winds up to 10 mph.
.MONDAY...Sunny. Highs 71 to 77. South winds 5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
up to 10 mph.
.TUESDAY...Sunny. Highs 72 to 78. South winds up to 10 mph.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows around 50. Southwest winds up to 10 mph.
.WEDNESDAY...Sunny. Highs 71 to 77.
.WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows in the
lower 50s. Highs 70 to 80.
.FRIDAY NIGHT AND SATURDAY...Cooler. Mostly cloudy. A 30 percent
chance of rain. Lows in the mid 40s. Highs 55 to 61.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain.
Lows in the lower 40s.
.SUNDAY...Partly sunny. Highs 56 to 62.
$$
MTZ317-211000-
Little Belt and Highwood Mountains-
Including the cities of Monarch, Neihart, and Kings Hill Pass
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows 38 to 46. South winds up to
10 mph.
.MONDAY...Sunny. Highs 64 to 72. South winds up to 10 mph with
gusts to around 25 mph.
.MONDAY NIGHT...Mostly clear. Lows 42 to 50. South winds 5 to
10 mph with gusts to around 30 mph.
.TUESDAY...Sunny. Highs 66 to 74. Southwest winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows 46 to 52. Southwest winds up to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 65 to 73.
Lows 46 to 52.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs 67 to 76. Lows
48 to 56.
.FRIDAY NIGHT...Colder. Mostly cloudy with chance of rain in the
evening, then partly cloudy with slight chance of rain after
midnight. Lows 41 to 47. Chance of rain 30 percent.
.SATURDAY...Cooler. Partly sunny. Chance of rain and snow in the
morning, then chance of rain in the afternoon. Highs 52 to 58.
Chance of precipitation 40 percent.
.SATURDAY NIGHT...Colder. Mostly cloudy. Chance of rain in the
evening, then slight chance of rain after midnight. Lows 34 to
40. Chance of rain 30 percent.
.SUNDAY...Partly sunny. A 20 percent chance of rain in the
morning. Highs 52 to 58.
$$
MTZ318-211000-
Snowy and Judith Mountains-
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Partly cloudy. Patchy fog in the late evening
and overnight. Lows in the lower 40s. South winds up to 10 mph.
.MONDAY...Warmer, sunny. Patchy fog in the morning. Highs 63 to
71. South winds up to 10 mph with gusts to around 25 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s. South winds
5 to 15 mph with gusts to around 30 mph.
.TUESDAY...Sunny. Highs 68 to 76. South winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the lower 50s. South winds up to 10 mph.
.WEDNESDAY...Mostly sunny. Highs 67 to 75.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows in the lower
50s. Highs 70 to 79.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain.
Lows in the mid 40s.
.SATURDAY...Cooler. Partly sunny with a 20 percent chance of
rain. Highs 54 to 62.
.SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of rain.
Lows in the upper 30s.
.SUNDAY...Partly sunny. A 20 percent chance of rain in the
morning. Highs 53 to 59.
$$
MTZ319-211000-
Helena Valley-
Including the city of Helena
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows in the mid 40s. South winds
up to 5 mph.
.MONDAY...Sunny. Highs in the mid 70s. Southeast winds up to
10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s. South winds up
to 5 mph.
.TUESDAY...Mostly sunny. Highs in the upper 70s. Southeast winds
up to 5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. South
winds up to 5 mph.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows around 50.
Highs in the upper 70s.
.FRIDAY NIGHT...Mostly cloudy. Slight chance of rain in the
evening, then chance of rain after midnight. Lows in the mid 40s.
Chance of rain 30 percent.
.SATURDAY...Cooler. Mostly sunny with a 20 percent chance of
rain. Highs in the mid 60s.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. A 20 percent chance of rain. Lows in the lower
40s.
.SUNDAY...Partly sunny. Highs in the mid 60s.
&&
TEMPERATURE / PRECIPITATION
Helena 44 76 45 77 / 0 0 0 0
$$
MTZ320-211000-
Big Belt, Bridger and Castle Mountains-
Including the cities of Trident, Maudlow, Battle Ridge Pass,
Bozeman Pass, and Deep Creek Pass
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows in the lower 40s. Southeast
winds up to 5 mph.
.MONDAY...Sunny. Highs 62 to 70. South winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s. Southeast
winds up to 10 mph.
.TUESDAY...Sunny. Highs 64 to 72. South winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the upper 40s. Southwest winds up to
5 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 64 to 72.
Lows in the upper 40s.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs 66 to 76. Lows in
the lower 50s.
.FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. A 20 percent chance of rain. Lows in the mid 40s.
.SATURDAY...Mostly sunny. Chance of rain and snow in the morning,
then slight chance of rain in the afternoon. Highs 52 to 62.
Chance of precipitation 30 percent.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 20 percent chance
of rain. Lows in the upper 30s. Highs 53 to 61.
$$
MTZ321-211000-
Meagher County Valleys-
Including the cities of Martinsdale, Checkerboard, Ringling,
and White Sulphur Springs
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Patchy fog early in the morning.
Lows around 40. East winds up to 5 mph.
.MONDAY...Sunny. Highs around 70. South winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the lower 40s. Southeast
winds up to 10 mph.
.TUESDAY...Sunny. Highs in the lower 70s. South winds up to
10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the mid 40s. Southwest winds up to 5 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the lower
70s. Lows in the mid 40s.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs in the mid 70s.
Lows in the upper 40s.
.FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. A 20 percent chance of rain. Lows in the lower 40s.
.SATURDAY...Cooler. Partly sunny. Chance of rain and snow in the
morning, then chance of rain in the afternoon. Highs in the lower
60s. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain in the evening,
then slight chance of rain after midnight. Lows in the upper 30s.
Chance of rain 30 percent.
.SUNDAY...Partly sunny. Highs in the lower 60s.
$$
MTZ322-211000-
Elkhorn and Boulder Mountains-
Including the cities of Montana City, Clancy, Boulder, Corbin,
Wickes, Elk Park Pass, and Homestake Pass
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows 37 to 45. Southwest winds
up to 5 mph.
.MONDAY...Sunny. Highs 63 to 71. South winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 41 to 47. Southwest winds up
to 5 mph.
.TUESDAY...Mostly sunny. Highs 64 to 72. South winds up to 5 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows 42 to 50. Southwest winds up
to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 64 to 72.
Lows 43 to 49.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 67 to 75.
Lows 46 to 52.
.FRIDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs 65 to 73.
.FRIDAY NIGHT...Colder. Partly cloudy. Slight chance of rain in
the evening, then chance of rain and snow after midnight. Lows
38 to 46. Chance of precipitation 30 percent.
.SATURDAY...Mostly sunny. Slight chance of rain and snow in the
morning, then slight chance of rain in the afternoon. Highs 52 to
60. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance
of rain. Lows 32 to 40.
.SUNDAY...Partly sunny. Highs 53 to 61.
$$
MTZ323-211000-
Canyon Ferry Area-
Including the cities of Toston, Townsend, and Winston
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows 43 to 49. Southeast winds
up to 10 mph.
.MONDAY...Sunny. Highs in the lower 70s. South winds up to
10 mph.
.MONDAY NIGHT...Mostly clear. Lows 43 to 49. Southeast winds up
to 10 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. South winds up to
5 mph.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows 47 to 53. Northeast winds up to 5 mph
shifting to the south after midnight.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid
70s. Lows 46 to 52.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs in the upper 70s.
Lows 48 to 54.
.FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. A 20 percent chance of rain. Lows in the upper 40s.
.SATURDAY AND SATURDAY NIGHT...Cooler. Partly cloudy. A
20 percent chance of rain. Highs in the mid 60s. Lows in the
lower 40s.
.SUNDAY...Mostly sunny. Highs in the mid 60s.
$$
MTZ324-211000-
Missouri Headwaters-
Including the cities of Harrison, Three Forks, Willow Creek,
Pony, and Whitehall
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows in the lower 40s. Southeast
winds up to 5 mph shifting to the west after midnight.
.MONDAY...Sunny. Highs in the lower 70s. South winds up to 5 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s. Southeast
winds up to 5 mph shifting to the southwest after midnight.
.TUESDAY...Mostly sunny. Highs in the mid 70s. Southwest winds up
to 5 mph.
.TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in
the evening. Lows in the upper 40s. Southwest winds up to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper
70s. Lows in the upper 40s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 50. Highs
in the upper 70s.
.FRIDAY NIGHT AND SATURDAY...Cooler. Partly cloudy. A 20 percent
chance of rain. Lows in the mid 40s. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. A 20 percent chance of rain. Lows in the upper
30s.
.SUNDAY...Mostly sunny. Highs in the mid 60s.
$$
MTZ325-211000-
Madison River Valley-
Including the cities of Cameron, Ennis, Jeffers, McAllister,
and Norris
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Colder. Mostly clear. Lows 37 to 43. South
winds up to 10 mph.
.MONDAY...Sunny. Highs in the lower 70s. South winds up to 5 mph.
.MONDAY NIGHT...Mostly clear. Lows in the lower 40s. South winds
up to 10 mph.
.TUESDAY...Mostly sunny. Highs in the lower 70s. South winds up
to 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain.
Lows 44 to 50. South winds up to 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the mid 70s.
Lows in the upper 40s.
.THURSDAY NIGHT AND FRIDAY...Windy. Partly cloudy. Lows in the
lower 50s. Highs in the mid 70s.
.FRIDAY NIGHT AND SATURDAY...Breezy, cooler. Partly cloudy. A
20 percent chance of rain. Lows in the mid 40s. Highs in the mid
60s.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 20 percent chance
of rain. Lows in the upper 30s. Highs in the mid 60s.
$$
MTZ326-211000-
Gallatin Valley-
Including the cities of Bozeman and Gallatin Gateway
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows in the lower 40s. Southeast
winds up to 10 mph.
.MONDAY...Sunny. Highs in the lower 70s. Southeast winds up to
5 mph shifting to the northwest in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the lower 40s. Southeast
winds up to 10 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. Southeast winds up
to 5 mph shifting to the northwest in the afternoon.
.TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in
the evening. Lows in the upper 40s. South winds up to 5 mph.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs in the
upper 70s. Lows in the upper 40s.
.FRIDAY...Mostly sunny. Highs in the upper 70s.
.FRIDAY NIGHT AND SATURDAY...Cooler. Partly cloudy. A 20 percent
chance of rain. Lows in the mid 40s. Highs in the mid 60s.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 20 percent chance
of rain. Lows around 40. Highs in the mid 60s.
&&
TEMPERATURE / PRECIPITATION
Bozeman Airport 39 73 41 75 / 0 0 0 0
Bozeman MSU 41 72 44 74 / 0 0 0 0
$$
MTZ330-211000-
Gallatin and Madison County Mountains and Centennial Mountains-
Including the cities of Big Sky, West Yellowstone, Targhee Pass,
and Raynolds Pass
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows 34 to 40. Northeast winds
up to 5 mph shifting to the south after midnight.
.MONDAY...Warmer, sunny. Highs 57 to 67. Southwest winds up to
10 mph.
.MONDAY NIGHT...Mostly clear. Lows 36 to 44. South winds up to
10 mph.
.TUESDAY...Mostly sunny. Highs 58 to 68. South winds up to
10 mph.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain.
Lows 39 to 47. Southwest winds up to 10 mph.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 58 to 72.
Lows 39 to 50.
.FRIDAY...Mostly sunny. Highs 59 to 71.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of rain and snow. Lows 38 to 44. Highs 52 to 62.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 20 percent chance
of rain and snow. Lows 34 to 40. Highs 52 to 62.
&&
TEMPERATURE / PRECIPITATION
West Yellowstone 27 67 28 69 / 0 0 0 0
$$
MTZ327-211000-
Northwest Beaverhead County-
Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass,
and Chief Joseph Pass
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows 32 to 40. East winds up to
5 mph shifting to the southeast after midnight.
.MONDAY...Sunny. Highs 59 to 69. Southwest winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 35 to 43. South winds up to
5 mph.
.TUESDAY...Mostly sunny. Highs 60 to 70. Southwest winds up to
10 mph.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
in the evening, then partly cloudy after midnight. Lows 37 to 45.
Southwest winds up to 10 mph.
.WEDNESDAY...Sunny. Highs 60 to 70.
.WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 38 to 48.
Highs 60 to 74.
.FRIDAY NIGHT AND SATURDAY...Cooler. Partly cloudy. A 20 percent
chance of rain and snow. Lows 32 to 40. Highs 50 to 60.
.SATURDAY NIGHT...Mostly cloudy. A 20 percent chance of rain and
snow in the evening. Lows 29 to 37.
.SUNDAY...Partly sunny. Highs 50 to 60.
$$
MTZ328-211000-
Beaverhead and Western Madison below 6000ft-
Including the cities of Bannack, Dillon, Glen, and Waterloo
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows in the lower 40s. East
winds up to 5 mph shifting to the south after midnight.
.MONDAY...Sunny. Highs 67 to 73. South winds up to 5 mph.
.MONDAY NIGHT...Mostly clear. Lows in the lower 40s. South winds
up to 10 mph.
.TUESDAY...Mostly sunny. Highs 68 to 74. Southwest winds up to
10 mph.
.TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in
the evening. Lows in the mid 40s. Southwest winds up to 10 mph.
.WEDNESDAY...Sunny. Highs 70 to 76.
.WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows in the
upper 40s. Highs 71 to 79.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of rain. Lows in the lower 40s. Highs 62 to 68.
.SATURDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in
the evening. Lows in the upper 30s.
.SUNDAY...Partly sunny. Highs 61 to 67.
&&
TEMPERATURE / PRECIPITATION
Dillon 39 72 40 74 / 0 0 0 0
$$
MTZ329-211000-
Ruby Mountains and Southern Beaverhead Mountains-
Including the city of Monida Pass
807 PM MDT Sun Sep 20 2026
.REST OF TONIGHT...Mostly clear. Lows in the upper 30s. East
winds up to 5 mph shifting to the south after midnight.
.MONDAY...Sunny. Highs 59 to 67. South winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows around 40. South winds up to
10 mph.
.TUESDAY...Mostly sunny. Highs 60 to 68. South winds up to
10 mph.
.TUESDAY NIGHT...Mostly cloudy. Chance of rain in the evening,
then slight chance of rain after midnight. Lows in the lower 40s.
South winds up to 10 mph. Chance of rain 50 percent.
.WEDNESDAY...Sunny. Highs 60 to 68.
.WEDNESDAY NIGHT THROUGH FRIDAY...Breezy. Partly cloudy. Lows
44 to 50. Highs 62 to 72.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of rain. Lows in the lower 40s. Highs 55 to 63.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 20 percent chance
of rain. Lows in the upper 30s. Highs 54 to 62.
$$