Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
073
FPUS55 KTFX 200937
ZFPTFX
Zone Forecast Product for Central and Southwest Montana
National Weather Service Great Falls MT
337 AM MDT Sun Sep 20 2026
Spot temperatures and probabilities of measurable precipitation
are for today, tonight, and Monday.
MTZ301-202200-
East Glacier Park Region-
Including the cities of East Glacier Park, Kiowa, Babb,
Saint Mary, Marias Pass, and Logan Pass
337 AM MDT Sun Sep 20 2026
.TODAY...Sunny. Highs 60 to 70. Southwest winds up to 10 mph.
Gusts up to 25 mph in the morning.
.TONIGHT...Mostly clear. Lows in the mid 40s. Southwest winds up
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 mid 40s. Southwest
winds 5 to 15 mph.
.TUESDAY...Sunny. Highs 59 to 69. Southwest winds 5 to 15 mph.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the upper
40s. Highs 55 to 65.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the lower
40s. Highs 55 to 65.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the mid 40s.
.FRIDAY...Partly sunny. A 20 percent chance of rain in the
afternoon. Highs 56 to 66.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain in the evening,
then chance of rain and snow after midnight. Lows 38 to 44.
Chance of precipitation 40 percent.
.SATURDAY...Cooler. Partly sunny. Chance of rain and snow in the
morning, then slight chance of rain and snow in the afternoon.
Highs 42 to 50. Chance of precipitation 30 percent.
$$
MTZ307-202200-
Southern Rocky Mountain Front-
Including the city of Rogers Pass
337 AM MDT Sun Sep 20 2026
.TODAY...Warmer, sunny. Highs 60 to 68. West winds up to 10 mph.
.TONIGHT...Mostly clear. Lows in the lower 40s. Southwest winds
up to 5 mph.
.MONDAY...Sunny. Highs 63 to 73. Southwest winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s. West winds up
to 10 mph.
.TUESDAY...Sunny. Highs 62 to 72. Southwest winds up to 10 mph.
.TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 40 to 46.
Highs 59 to 71.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain.
Lows 40 to 46.
.SATURDAY...Cooler. Partly sunny. A 20 percent chance of rain and
snow in the morning. Highs 46 to 56.
$$
MTZ302-202200-
Northern High Plains-
Including the cities of Browning, Heart Butte, and Dupuyer
337 AM MDT Sun Sep 20 2026
.TODAY...Sunny. Highs in the lower 70s. South winds up to 10 mph.
.TONIGHT...Mostly clear. Lows in the mid 40s. Southwest winds up
to 10 mph.
.MONDAY...Sunny. Highs in the mid 70s. Southwest 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 lower 70s. West winds 5 to 15 mph.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows in the
upper 40s. Highs in the upper 60s.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Lows in the upper
40s. Highs 67 to 73.
.FRIDAY NIGHT AND SATURDAY...Cooler. Mostly cloudy. A 20 percent
chance of rain. Lows in the mid 40s. Highs in the mid 50s.
$$
MTZ308-202200-
Southern High Plains-
Including the cities of Bynum, Choteau, and Pendroy
337 AM MDT Sun Sep 20 2026
.TODAY...Sunny. Highs in the lower 70s. Southwest winds up to
5 mph shifting to the southeast in the afternoon.
.TONIGHT...Mostly clear. Lows in the mid 40s. Southeast winds up
to 5 mph shifting to the southwest after midnight.
.MONDAY...Sunny. Highs in the upper 70s. South winds up to
10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Southwest
winds up to 10 mph.
.TUESDAY...Sunny. Highs in the upper 70s. Southwest winds up to
10 mph. Gusts up to 20 mph in the afternoon.
.TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows in the upper
40s. Highs in the mid 70s.
.FRIDAY NIGHT AND SATURDAY...Cooler. Mostly cloudy. Lows in the
upper 40s. Highs around 60.
$$
MTZ303-202200-
Eastern Glacier, Western Toole, and Central Pondera-
Including the cities of Cut Bank, Ethridge, and Santa Rita
337 AM MDT Sun Sep 20 2026
.TODAY...Sunny. Highs in the lower 70s. South winds up to 10 mph.
.TONIGHT...Mostly clear. Lows in the mid 40s. Southeast winds up
to 15 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 15 mph.
.TUESDAY...Sunny. Highs in the mid 70s. West winds up to 10 mph.
.TUESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the upper 40s. Highs in the lower 70s.
.FRIDAY...Partly sunny. Highs in the lower 70s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 20 percent chance of rain. Lows in the mid 40s.
.SATURDAY...Cooler. Partly sunny. Highs in the upper 50s.
&&
TEMPERATURE / PRECIPITATION
Cut Bank 73 44 76 / 0 0 0
$$
MTZ304-202200-
Eastern Toole and Liberty-
Including the cities of Devon, Shelby, Chester, Galata, Joplin,
Lothair, and Whitlash
337 AM MDT Sun Sep 20 2026
.TODAY...Sunny. Highs in the lower 70s. South winds up to 10 mph
with gusts to around 25 mph.
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows in the
upper 40s. Southeast winds up to 10 mph with gusts to around
25 mph.
.MONDAY...Partly sunny in the morning then clearing. Patchy fog
in the morning. Highs in the mid 70s. Southeast winds 5 to
15 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
up to 15 mph.
.TUESDAY...Sunny. Highs in the upper 70s. Southwest winds up to
10 mph.
.TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows in the upper
40s. Highs 68 to 78.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 20 percent chance of rain. Lows in the upper 40s.
.SATURDAY...Cooler. Partly sunny. Highs 57 to 63.
$$
MTZ305-202200-
Hill County-
Including the city of Havre
337 AM MDT Sun Sep 20 2026
.TODAY...Sunny. Highs in the lower 70s. Southeast winds up to
10 mph.
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows in the
upper 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...Sunny. Highs in the upper 70s. South winds up to
10 mph.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows in
the upper 40s. Highs in the upper 70s.
.THURSDAY...Sunny. Highs in the mid 70s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 50. Highs
in the upper 70s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain in
the evening, then mostly cloudy after midnight. Lows in the upper
40s.
.SATURDAY...Cooler. Mostly sunny. Highs in the mid 60s.
&&
TEMPERATURE / PRECIPITATION
Havre 73 45 78 / 10 0 0
$$
MTZ306-202200-
Northern Blaine County-
Including the cities of Chinook, Zurich, Harlem, Hogeland,
and Fort Belknap
337 AM MDT Sun Sep 20 2026
.TODAY...Mostly sunny. Highs in the upper 60s. Southeast winds
5 to 15 mph.
.TONIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 40s. Southeast winds 5 to 15 mph.
.MONDAY...Partly sunny in the morning then clearing. Highs in the
lower 70s. Southeast winds 10 to 15 mph with gusts to around
30 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast
winds 10 to 20 mph.
.TUESDAY...Sunny. Highs in the upper 70s. Southeast winds 5 to
15 mph.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows
around 50. Highs in the upper 70s.
.THURSDAY...Sunny. Highs in the mid 70s.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows in the
lower 50s. Highs around 80.
.SATURDAY...Cooler. Mostly sunny. Highs in the mid 60s.
$$
MTZ309-202200-
Eastern Pondera and Eastern Teton-
Including the cities of Brady, Conrad, and Ledger
337 AM MDT Sun Sep 20 2026
.TODAY...Sunny. Highs in the lower 70s. South winds up to 10 mph.
.TONIGHT...Mostly clear. Lows in the mid 40s. Southeast winds up
to 10 mph.
.MONDAY...Sunny. Patchy fog in the morning. 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 in the upper 70s. Southwest winds up to
10 mph.
.TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows in the upper
40s. Highs in the upper 70s.
.FRIDAY NIGHT AND SATURDAY...Cooler. Mostly cloudy. Lows in the
upper 40s. Highs in the lower 60s.
$$
MTZ310-202200-
Western and Central Chouteau County-
Including the cities of Floweree, Carter, and Fort Benton
337 AM MDT Sun Sep 20 2026
.TODAY...Partly sunny early in the morning then clearing. Highs
in the lower 70s. Southeast winds up to 10 mph.
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows in the
upper 40s. Southeast winds up to 10 mph with gusts to around
25 mph.
.MONDAY...Sunny. Patchy fog in the morning. Highs in the upper
70s. Southeast winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast
winds up to 15 mph with gusts to around 30 mph.
.TUESDAY...Sunny. Highs around 80. Southwest winds up to 5 mph.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows in
the lower 50s. Highs in the upper 70s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the lower
50s. Highs in the lower 80s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows around 50.
.SATURDAY...Cooler. Mostly sunny. Highs in the mid 60s.
$$
MTZ311-202200-
Bears Paw Mountains and Southern Blaine-
Including the city of Rocky Boy
337 AM MDT Sun Sep 20 2026
.TODAY...Partly sunny until late afternoon then clearing. Highs
64 to 70. East winds up to 10 mph.
.TONIGHT...Partly cloudy. 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. Highs 69 to
75. Southeast winds 5 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows around 50. Southeast winds
5 to 15 mph with gusts to around 30 mph.
.TUESDAY...Sunny. Highs 75 to 81. South winds up to 10 mph.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows in
the lower 50s. Highs 75 to 81.
.THURSDAY...Sunny. Highs 73 to 79.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows in the
lower 50s. Highs 77 to 83.
.SATURDAY...Cooler. Mostly sunny. Highs 62 to 68.
$$
MTZ312-202200-
Cascade County below 5000ft-
Including the city of Great Falls
337 AM MDT Sun Sep 20 2026
.TODAY...Sunny. Highs in the lower 70s. South winds up to 5 mph
shifting to the east in the afternoon.
.TONIGHT...Mostly clear. Lows in the mid 40s. Southeast winds up
to 10 mph shifting to the south after midnight.
.MONDAY...Sunny. Highs in the upper 70s. South winds up to
10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
up to 10 mph. Gusts up to 25 mph after midnight.
.TUESDAY...Sunny. Highs around 80. Southwest winds up to 10 mph.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows in
the lower 50s. Highs in the upper 70s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the lower
50s. Highs in the lower 80s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows around 50.
.SATURDAY...Cooler. Mostly sunny. A 20 percent chance of rain in
the afternoon. Highs in the mid 60s.
&&
TEMPERATURE / PRECIPITATION
Great Falls Arpt 73 46 79 / 0 0 0
$$
MTZ313-202200-
Judith Basin County and Judith Gap-
Including the cities of Raynesford, Geyser, Stanford, Windham,
Benchland, Hobson, and Moccasin
337 AM MDT Sun Sep 20 2026
.TODAY...Mostly cloudy with a 20 percent chance of rain early in
the morning, then mostly sunny in the late morning and afternoon.
Highs in the upper 60s. Southwest winds up to 5 mph shifting to
the northeast in the afternoon.
.TONIGHT...Mostly clear. Lows in the mid 40s. Southeast winds up
to 10 mph shifting to the south after midnight. Gusts up to
25 mph.
.MONDAY...Sunny. Highs in the mid 70s. South 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 30 mph.
.TUESDAY...Sunny. Highs in the upper 70s. South winds up to
10 mph.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows
around 50. Highs in the upper 70s.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the upper 70s.
Lows in the lower 50s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Cooler. Mostly sunny. A 20 percent chance of rain in
the afternoon. Highs in the upper 60s.
$$
MTZ314-202200-
Fergus County below 4500ft-
Including the cities of Hilger and Lewistown
337 AM MDT Sun Sep 20 2026
.TODAY...Cloudy with chance of rain in the morning, then partly
sunny with slight chance of rain early in the afternoon. Mostly
sunny late in the afternoon. Highs 63 to 69. North winds up to
5 mph shifting to the east in the afternoon. Chance of rain
50 percent.
.TONIGHT...Partly cloudy. Patchy fog after midnight. Lows 44 to
50. Southeast winds 5 to 10 mph.
.MONDAY...Partly sunny in the morning then clearing. Highs in the
mid 70s. Southeast winds up to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Southeast
winds 5 to 15 mph with gusts to around 30 mph.
.TUESDAY...Sunny. Highs in the upper 70s. South winds up to
5 mph. Gusts up to 20 mph in the afternoon.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows in
the lower 50s. Highs in the upper 70s.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the lower 80s.
Lows in the lower 50s.
.FRIDAY NIGHT AND SATURDAY...Cooler. Partly cloudy. Lows in the
lower 50s. Highs in the upper 60s.
&&
TEMPERATURE / PRECIPITATION
Lewistown 65 43 74 / 30 10 0
$$
MTZ315-202200-
Upper Blackfoot and MacDonald Pass-
Including the cities of Marysville, Lincoln, Flesher Pass,
and MacDonald Pass
337 AM MDT Sun Sep 20 2026
.TODAY...Warmer, sunny. Highs 60 to 68. West winds up to 5 mph.
.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 10 mph.
.TUESDAY...Sunny. Highs 65 to 73. Southwest winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs 64 to 72.
.WEDNESDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows 42 to
51. Highs 66 to 75.
.SATURDAY...Mostly sunny. Highs 54 to 62.
$$
MTZ316-202200-
Gates of the Mountains-
Including the cities of Canyon Creek, Wolf Creek, and Craig
337 AM MDT Sun Sep 20 2026
.TODAY...Warmer, sunny. Highs 67 to 73. South winds up to 10 mph.
.TONIGHT...Mostly clear. Lows in the upper 40s. South winds up to
10 mph.
.MONDAY...Sunny. Highs 71 to 77. South winds up to 10 mph.
.MONDAY NIGHT...Clear. Lows in the upper 40s. South winds up to
10 mph.
.TUESDAY...Sunny. Highs 72 to 78. South winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 50.
.WEDNESDAY...Sunny. Highs 71 to 77.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY...Sunny. Highs 72 to 78.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows around
50. Highs 73 to 79.
.SATURDAY...Cooler. Mostly sunny. A 20 percent chance of rain in
the afternoon. Highs 59 to 65.
$$
MTZ317-202200-
Little Belt and Highwood Mountains-
Including the cities of Monarch, Neihart, and Kings Hill Pass
337 AM MDT Sun Sep 20 2026
.TODAY...Warmer. Partly sunny in the morning then clearing. Highs
58 to 66. Southwest winds up to 5 mph shifting to the north in
the afternoon.
.TONIGHT...Mostly clear. Lows 39 to 45. 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 5 to 10 mph.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows
44 to 52. Highs 65 to 73.
.THURSDAY...Sunny. Highs 67 to 73.
.THURSDAY NIGHT...Partly cloudy. Lows 46 to 54.
.FRIDAY...Sunny. Highs 68 to 76.
.FRIDAY NIGHT...Partly cloudy. Lows 44 to 50.
.SATURDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs 57 to 63.
$$
MTZ318-202200-
Snowy and Judith Mountains-
337 AM MDT Sun Sep 20 2026
.TODAY...Cloudy with chance of rain in the morning, then partly
sunny with slight chance of rain in the afternoon. Highs 55 to
61. North winds up to 5 mph. Chance of rain 50 percent.
.TONIGHT...Partly cloudy. Patchy fog after midnight. Lows in the
lower 40s. Southeast winds up to 10 mph with gusts to around
25 mph.
.MONDAY...Warmer, sunny. Highs 63 to 71. South winds up to 10 mph
with gusts to around 25 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s. South winds
5 to 15 mph with gusts to around 30 mph.
.TUESDAY...Sunny. Highs 68 to 76. South winds up to 10 mph.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows in
the upper 40s. Highs 68 to 76.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 68 to 79. Lows in
the lower 50s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SATURDAY...Mostly sunny. A 20 percent chance of rain in the
afternoon. Highs 59 to 67.
$$
MTZ319-202200-
Helena Valley-
Including the city of Helena
337 AM MDT Sun Sep 20 2026
.TODAY...Sunny. Patchy fog early in the morning. Highs in the
lower 70s. Southeast winds up to 5 mph.
.TONIGHT...Mostly clear. Lows in the mid 40s. Southeast 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...Sunny. Highs in the upper 70s. Southeast winds up to
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.FRIDAY...Sunny. Highs around 80.
.FRIDAY NIGHT AND SATURDAY...Cooler. Partly cloudy. Lows in the
upper 40s. Highs in the upper 60s.
&&
TEMPERATURE / PRECIPITATION
Helena 72 44 76 / 0 0 0
$$
MTZ320-202200-
Big Belt, Bridger and Castle Mountains-
Including the cities of Trident, Maudlow, Battle Ridge Pass,
Bozeman Pass, and Deep Creek Pass
337 AM MDT Sun Sep 20 2026
.TODAY...Not as cool. Partly sunny in the morning then clearing.
Highs 56 to 64. West winds up to 10 mph.
.TONIGHT...Mostly clear. Lows in the lower 40s. Southeast winds
up to 5 mph.
.MONDAY...Sunny. Highs 62 to 70. South winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s. Southeast
winds up to 10 mph.
.TUESDAY...Sunny. Highs 64 to 72. South winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs 64 to 72.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 66 to 76. Lows in
the upper 40s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the upper
40s. Highs 58 to 68.
$$
MTZ321-202200-
Meagher County Valleys-
Including the cities of Martinsdale, Checkerboard, Ringling,
and White Sulphur Springs
337 AM MDT Sun Sep 20 2026
.TODAY...Mostly cloudy early in the morning then becoming mostly
sunny. Patchy fog early in the morning. Highs in the mid 60s.
West winds up to 10 mph.
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows around
40. Southeast 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. Lows in the mid 40s.
.WEDNESDAY...Sunny. Highs in the lower 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the mid 70s.
Lows in the mid 40s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the mid 40s.
Highs in the upper 60s.
$$
MTZ322-202200-
Elkhorn and Boulder Mountains-
Including the cities of Montana City, Clancy, Boulder, Corbin,
Wickes, Elk Park Pass, and Homestake Pass
337 AM MDT Sun Sep 20 2026
.TODAY...Warmer, sunny. Highs 57 to 65. West winds up to 5 mph
shifting to the northeast in the afternoon.
.TONIGHT...Mostly clear. Lows 38 to 44. East winds up to 5 mph
shifting to the southwest after midnight.
.MONDAY...Sunny. Highs 63 to 71. South winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 40 to 46. South winds up to
5 mph.
.TUESDAY...Sunny. Highs 64 to 72. South winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 43 to 49.
.WEDNESDAY...Sunny. Highs 64 to 72.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
42 to 50. Highs 66 to 74.
.FRIDAY...Sunny. Highs 67 to 75.
.FRIDAY NIGHT AND SATURDAY...Cooler. Partly cloudy. Lows 41 to
49. Highs 57 to 65.
$$
MTZ323-202200-
Canyon Ferry Area-
Including the cities of Toston, Townsend, and Winston
337 AM MDT Sun Sep 20 2026
.TODAY...Mostly sunny. Highs in the upper 60s. Southeast winds up
to 5 mph.
.TONIGHT...Mostly clear. Lows 42 to 48. Southeast winds up to
10 mph.
.MONDAY...Sunny. Highs in the lower 70s. South winds up to
10 mph.
.MONDAY NIGHT...Clear. Lows 43 to 49. Southeast winds up to
10 mph.
.TUESDAY...Sunny. Highs in the mid 70s. South winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 46 to 52.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows 46 to 52.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the upper 70s.
Lows 47 to 53.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 46 to 52. Highs
in the upper 60s.
$$
MTZ324-202200-
Missouri Headwaters-
Including the cities of Harrison, Three Forks, Willow Creek,
Pony, and Whitehall
337 AM MDT Sun Sep 20 2026
.TODAY...Mostly sunny. Patchy fog early in the morning. Highs in
the upper 60s. Southwest winds up to 5 mph shifting to the
southeast in the afternoon.
.TONIGHT...Mostly clear. Lows in the lower 40s. East winds up to
5 mph shifting to the southwest after midnight.
.MONDAY...Sunny. Highs in the lower 70s. South winds up to 5 mph.
.MONDAY NIGHT...Mostly clear. Lows in the lower 40s. Southeast
winds up to 5 mph shifting to the southwest after midnight.
.TUESDAY...Sunny. Highs in the mid 70s. Southwest winds up to
5 mph shifting to the south in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.FRIDAY...Sunny. Highs in the upper 70s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the upper
40s. Highs around 70.
$$
MTZ325-202200-
Madison River Valley-
Including the cities of Cameron, Ennis, Jeffers, McAllister,
and Norris
337 AM MDT Sun Sep 20 2026
.TODAY...Partly sunny in the morning then clearing. Patchy fog
early in the morning. Highs in the mid 60s. Southwest winds up to
5 mph shifting to the north in the afternoon.
.TONIGHT...Mostly clear. Lows 36 to 42. Northwest winds up to
5 mph shifting to the south after midnight.
.MONDAY...Sunny. Highs in the lower 70s. South winds up to 5 mph.
.MONDAY NIGHT...Mostly clear. Lows 39 to 45. South winds up to
10 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. South winds up to
10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the mid 40s.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Breezy. Partly cloudy. Lows in the upper 40s.
.FRIDAY...Breezy, sunny. Highs in the upper 70s.
.FRIDAY NIGHT AND SATURDAY...Breezy. Partly cloudy. Lows in the
upper 40s. Highs in the lower 70s.
$$
MTZ326-202200-
Gallatin Valley-
Including the cities of Bozeman and Gallatin Gateway
337 AM MDT Sun Sep 20 2026
.TODAY...Mostly cloudy early in the morning then clearing. Patchy
fog early in the morning. Highs in the mid 60s. South winds up to
5 mph shifting to the northwest in the afternoon.
.TONIGHT...Mostly clear. Lows in the lower 40s. Southeast winds
up to 10 mph.
.MONDAY...Sunny. Highs in the lower 70s. Southeast winds up to
5 mph shifting to the north in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the lower 40s. Southeast
winds up to 10 mph.
.TUESDAY...Sunny. Highs in the mid 70s. Southeast winds up to
5 mph shifting to the northwest in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.FRIDAY...Sunny. Highs in the upper 70s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the upper
40s. Highs in the lower 70s.
&&
TEMPERATURE / PRECIPITATION
Bozeman Airport 66 39 73 / 10 0 0
Bozeman MSU 64 41 72 / 10 0 0
$$
MTZ330-202200-
Gallatin and Madison County Mountains and Centennial Mountains-
Including the cities of Big Sky, West Yellowstone, Targhee Pass,
and Raynolds Pass
337 AM MDT Sun Sep 20 2026
.TODAY...Mostly cloudy early in the morning then becoming mostly
sunny. Patchy fog early in the morning. Highs 50 to 60. Northwest
winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 33 to 39. North 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 37 to 43. South winds up to
10 mph.
.TUESDAY...Mostly sunny. Highs 59 to 69. South winds up to
10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows 40 to 46.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 59 to 69.
Lows 39 to 47.
.THURSDAY...Sunny. Highs 62 to 72.
.THURSDAY NIGHT...Partly cloudy. Lows 41 to 49.
.FRIDAY...Sunny. Highs 62 to 72.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 41 to 47. Highs
57 to 67.
&&
TEMPERATURE / PRECIPITATION
West Yellowstone 62 26 69 / 10 0 0
$$
MTZ327-202200-
Northwest Beaverhead County-
Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass,
and Chief Joseph Pass
337 AM MDT Sun Sep 20 2026
.TODAY...Not as cool. Mostly sunny. Areas of fog early in the
morning. Highs 56 to 64. Northwest winds up to 10 mph.
.TONIGHT...Mostly clear. Lows in the upper 30s. Northeast winds
up to 5 mph shifting to the south after midnight.
.MONDAY...Sunny. Highs 59 to 69. Southwest winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows around 40. Southwest winds up
to 5 mph shifting to the south after midnight.
.TUESDAY...Mostly sunny. Highs 60 to 70. Southwest winds up to
10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 37 to 45.
.WEDNESDAY...Sunny. Highs 60 to 70.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
36 to 45. Highs 63 to 73.
.FRIDAY...Sunny. Highs 63 to 73.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 36 to 44. Highs
55 to 65.
$$
MTZ328-202200-
Beaverhead and Western Madison below 6000ft-
Including the cities of Bannack, Dillon, Glen, and Waterloo
337 AM MDT Sun Sep 20 2026
.TODAY...Mostly sunny. Highs 62 to 68. Southwest winds up to
5 mph shifting to the north in the afternoon.
.TONIGHT...Mostly clear. Lows around 40. Northeast 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. Southeast
winds up to 5 mph shifting to the south after midnight.
.TUESDAY...Mostly sunny. Highs 69 to 75. South winds up to
10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 40s.
.WEDNESDAY...Sunny. Highs 70 to 76.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the mid 40s. Highs 73 to 79.
.FRIDAY...Sunny. Highs 73 to 79.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the mid 40s.
Highs 67 to 73.
&&
TEMPERATURE / PRECIPITATION
Dillon 67 38 72 / 0 0 0
$$
MTZ329-202200-
Ruby Mountains and Southern Beaverhead Mountains-
Including the city of Monida Pass
337 AM MDT Sun Sep 20 2026
.TODAY...Not as cool. Partly sunny in the morning then clearing.
Highs 54 to 62. Northwest winds up to 10 mph.
.TONIGHT...Mostly clear. Lows in the upper 30s. Northeast winds
up to 10 mph shifting to the south after midnight.
.MONDAY...Sunny. Highs 60 to 68. South winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows around 40. South winds up to
10 mph.
.TUESDAY...Mostly sunny. Highs 61 to 69. South winds up to
10 mph.
.TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in
the evening. Lows in the lower 40s.
.WEDNESDAY...Sunny. Highs 62 to 70.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the mid 40s. Highs 64 to 72.
.FRIDAY...Breezy, sunny. Highs 64 to 72.
.FRIDAY NIGHT AND SATURDAY...Breezy. Partly cloudy. Lows in the
mid 40s. Highs 60 to 68.
$$