Zone Forecast Product
Issued by NWS Great Falls, MT

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13
537
FPUS55 KTFX 232003
ZFPTFX

Zone Forecast Product for Central and Southwest Montana
National Weather Service Great Falls MT
202 PM MDT Sat Aug 23 2025

Spot temperatures and probabilities of measurable precipitation
are for tonight, Sunday, Sunday night, and Monday.


MTZ301-241000-
East Glacier Park Region-
Including East Glacier Park, Kiowa, Babb, Saint Mary,
Marias Pass, and Logan Pass
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Lows 45 to 50. Southeast winds 5 to
15 mph.
.SUNDAY...Sunny. Highs 70 to 75. Southeast winds 5 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 50. Southeast winds up
to 10 mph.
.MONDAY...Sunny. Highs 70 to 80. Southeast winds 5 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows 50 to 55. Southeast winds 5 to
15 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Highs 70 to 80. Lows
50 to 55.
.WEDNESDAY NIGHT...Mostly cloudy. Lows 50 to 55.
.THURSDAY...Mostly cloudy with a 20 percent chance of
thunderstorms. Highs 65 to 75.
.THURSDAY NIGHT...Mostly cloudy. Lows 50 to 55.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 65 to 75. Lows
50 to 55.

$$

MTZ307-241000-
Southern Rocky Mountain Front-
Including Rogers Pass
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Lows 45 to 50. East winds 5 to 15 mph.
.SUNDAY...Partly cloudy in the morning then becoming sunny. Highs
70 to 80. East winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds up
to 10 mph.
.MONDAY...Sunny. Highs 70 to 80. East winds 5 to 15 mph.
.MONDAY NIGHT...Partly cloudy. Lows 50 to 55. East winds 5 to
15 mph shifting to the north after midnight.
.TUESDAY...Partly cloudy. Highs 70 to 80.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Lows 50 to 55.
Highs 65 to 75.
.WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows 50 to 55.
.THURSDAY...Mostly cloudy with a 30 percent chance of
thunderstorms. Highs 65 to 75.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a 20 percent
chance of thunderstorms. Lows 50 to 55. Highs 65 to 75.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 45 to 50.
.SATURDAY...Sunny. Highs 65 to 75.

$$

MTZ302-241000-
Northern High Plains-
Including Browning, Heart Butte, and Dupuyer
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Lows in the mid 40s. East winds 5 to
15 mph shifting to the south after midnight.
.SUNDAY...Sunny. Highs 75 to 80. Southeast winds up to 10 mph
increasing to 10 to 15 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 45 to 50. Southeast winds 5 to
15 mph shifting to the south after midnight.
.MONDAY...Sunny. Highs around 80. South winds up to 5 mph
increasing to southeast 10 to 15 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows around 50. Southeast winds
5 to 15 mph shifting to the south after midnight.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 80 to 85. Lows
50 to 55.
.WEDNESDAY...Partly cloudy. Highs around 80.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly cloudy. Lows
50 to 55. Highs 75 to 80.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 75 to 80. Lows
50 to 55.

$$

MTZ308-241000-
Southern High Plains-
Including Bynum, Choteau, and Pendroy
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Lows 45 to 50. Northeast winds 5 to
10 mph shifting to the northwest after midnight.
.SUNDAY...Partly cloudy in the morning then becoming sunny. Highs
around 80. North winds up to 5 mph shifting to the east in the
afternoon.
.SUNDAY NIGHT...Mostly clear. Lows around 50. Northeast winds
5 to 10 mph shifting to the northwest after midnight.
.MONDAY...Sunny. Highs 80 to 85. Northwest winds up to 5 mph
shifting to the east in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows 50 to 55. East winds 5 to
15 mph shifting to the northwest up to 5 mph after midnight.
.TUESDAY...Partly cloudy. Highs 80 to 85.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows
around 55. Highs 80 to 85.
.THURSDAY AND THURSDAY NIGHT...Mostly cloudy with a 20 percent
chance of thunderstorms. Highs 75 to 80. Lows around 55.
.FRIDAY...Mostly cloudy. Highs around 80.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows 50 to 55.
.SATURDAY...Partly cloudy. Highs 80 to 85.

$$

MTZ303-241000-
Eastern Glacier, Western Toole, and Central Pondera-
Including Cut Bank, Ethridge, and Santa Rita
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Lows in the mid 40s. East winds up to
10 mph.
.SUNDAY...Sunny. Highs around 80. Southeast winds 5 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Lows 45 to 50. Southeast winds 5 to
15 mph.
.MONDAY...Sunny. Highs 80 to 85. Southeast winds up to 5 mph
increasing to 10 to 15 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows around 50. Southeast winds
5 to 15 mph.
.TUESDAY...Sunny. Highs 80 to 85.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows around 50.
Highs 80 to 85.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly cloudy. Lows
50 to 55. Highs 80 to 85.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs around 80. Lows
50 to 55.
.SATURDAY...Sunny. Highs 80 to 85.

&&
                  TEMPERATURE         /       PRECIPITATION

Cut Bank     45     79     46     83  /  0       0       0       0


$$

MTZ304-241000-
Eastern Toole and Liberty-
Including Devon, Shelby, Chester, Galata, Joplin, Lothair,
and Whitlash
202 PM MDT Sat Aug 23 2025

.TONIGHT...Mostly clear. Lows 45 to 50. East winds 5 to 10 mph.
.SUNDAY...Sunny. Highs 75 to 80. Southeast winds 5 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 50. East winds 5 to
15 mph.
.MONDAY...Sunny. Highs 80 to 85. Southeast winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 50 to 55. East winds 5 to
10 mph.
.TUESDAY...Sunny. Highs 80 to 85.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows
50 to 55. Highs 80 to 85.
.THURSDAY AND THURSDAY NIGHT...Mostly cloudy. Highs 80 to 85.
Lows around 55.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 80 to 85. Lows
around 55.
.SATURDAY...Sunny. Highs 80 to 85.

$$

MTZ305-241000-
Hill County-
Including Havre
202 PM MDT Sat Aug 23 2025

.TONIGHT...Mostly clear. Lows 45 to 50. East winds 5 to 10 mph.
.SUNDAY...Sunny. Highs 75 to 80. East winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 45 to 50. East winds 5 to
15 mph.
.MONDAY...Sunny. Highs 80 to 85. East winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows around 50. East winds 5 to
10 mph.
.TUESDAY...Sunny. Highs around 85.
.TUESDAY NIGHT...Partly cloudy. Lows around 50.
.WEDNESDAY...Sunny. Highs around 85.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 55.
.THURSDAY AND THURSDAY NIGHT...Mostly cloudy. Highs around 85.
Lows around 55.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 80 to 85. Lows
around 55.

&&
                  TEMPERATURE         /       PRECIPITATION

Havre        47     80     47     84  /  0       0       0       0


$$

MTZ306-241000-
Northern Blaine County-
Including Chinook, Zurich, Harlem, Hogeland, and Fort Belknap
202 PM MDT Sat Aug 23 2025

.TONIGHT...Mostly clear. Lows in the mid 40s. East winds up to
10 mph.
.SUNDAY...Sunny. Highs 70 to 75. Southeast winds 5 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. East winds
5 to 10 mph.
.MONDAY...Sunny. Highs around 80. Southeast winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 45 to 50. Southeast winds 5 to
10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 80 to 85. Lows
around 50.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 50 to 55.
Highs 80 to 85.
.THURSDAY NIGHT...Mostly cloudy. Lows around 55.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Highs around 80. Lows
around 55.

$$

MTZ309-241000-
Eastern Pondera and Eastern Teton-
Including Brady, Conrad, and Ledger
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Lows in the mid 40s. East winds 5 to
15 mph.
.SUNDAY...Sunny. Highs around 80. East winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 45 to 50. East winds 5 to
15 mph shifting to the northeast up to 5 mph after midnight.
.MONDAY...Sunny. Highs around 85. North winds up to 5 mph
shifting to the east in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows 45 to 50. East winds 5 to
15 mph decreasing to up to 5 mph after midnight.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Highs around 85. Lows
around 50.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly cloudy. Lows 50 to 55.
Highs 80 to 85.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 50 to 55. Highs
around 85.

$$

MTZ310-241000-
Western and Central Chouteau County-
Including Floweree, Carter, and Fort Benton
202 PM MDT Sat Aug 23 2025

.TONIGHT...Mostly clear. Lows around 50. East winds 5 to 15 mph.
.SUNDAY...Sunny. Highs around 80. East winds 5 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 50. East winds 5 to
15 mph.
.MONDAY...Sunny. Highs around 85. East winds 5 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows 50 to 55. East winds 5 to
15 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Highs around 85. Lows
around 55.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly cloudy. Lows
55 to 60. Highs around 85.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 80 to 85. Lows
around 55.
.SATURDAY...Sunny. Highs around 85.

$$

MTZ311-241000-
Bears Paw Mountains and Southern Blaine-
Including Rocky Boy
202 PM MDT Sat Aug 23 2025

.TONIGHT...Mostly clear. Lows 45 to 50. East winds 5 to 10 mph.
.SUNDAY...Sunny. Highs 75 to 80. Southeast winds 5 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Lows 50 to 55. Southeast winds 5 to
15 mph.
.MONDAY...Sunny. Highs 75 to 85. Southeast winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 50 to 55. Southeast winds 5 to
15 mph.
.TUESDAY...Sunny. Highs 80 to 85.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 50 to 55.
Highs 80 to 85.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly cloudy. Lows
55 to 60. Highs 80 to 85.
.FRIDAY...Mostly cloudy. Highs 75 to 85.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 55 to 60.
.SATURDAY...Partly cloudy. Highs 80 to 85.

$$

MTZ312-241000-
Cascade County below 5000ft-
Including Great Falls
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Lows 45 to 50. Northeast winds 10 to
15 mph shifting to the east after midnight.
.SUNDAY...Partly cloudy in the morning then becoming sunny. Highs
80 to 85. Southwest winds up to 5 mph shifting to the northeast
in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows around 50. East winds 5 to
15 mph.
.MONDAY...Sunny. Highs around 85. Southwest winds up to 5 mph
shifting to the northeast in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows 50 to 55. East winds 10 to
15 mph shifting to the southeast after midnight.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 85 to 90. Lows
50 to 55.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. Highs around 85.
Lows around 55.
.THURSDAY AND THURSDAY NIGHT...Mostly cloudy with a 20 percent
chance of thunderstorms. Highs 80 to 85. Lows around 55.
.FRIDAY...Mostly cloudy. Highs 80 to 85.
.FRIDAY NIGHT...Partly cloudy. Lows around 55.
.SATURDAY...Sunny. Highs around 85.

&&
                  TEMPERATURE         /       PRECIPITATION

Great Falls Arpt   48     83     49     85  /  0       0       0       0


$$

MTZ313-241000-
Judith Basin County and Judith Gap-
Including Raynesford, Geyser, Stanford, Windham, Benchland,
Hobson, and Moccasin
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Lows 45 to 50. East winds 5 to 15 mph
shifting to the southeast after midnight.
.SUNDAY...Partly cloudy in the morning then becoming sunny. Highs
75 to 80. Southeast winds 5 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Lows 45 to 50. Southeast winds 5 to
15 mph.
.MONDAY...Sunny. Highs 80 to 85. South winds up to 10 mph
shifting to the east in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows around 50. Southeast winds
5 to 15 mph.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 80 to 85. Lows
50 to 55.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. Highs around 80.
Lows around 55.
.THURSDAY...Mostly cloudy with a 30 percent chance of
thunderstorms. Highs 75 to 80.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly cloudy with a
20 percent chance of thunderstorms. Lows 50 to 55. Highs 75 to
80.
.SATURDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 80 to 85.

$$

MTZ314-241000-
Fergus County below 4500ft-
Including Hilger and Lewistown
202 PM MDT Sat Aug 23 2025

.TONIGHT...Mostly clear. Lows 45 to 50. East winds 5 to 15 mph.
.SUNDAY...Partly cloudy in the morning then becoming sunny. Highs
75 to 80. Southeast winds 5 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 50. Southeast winds
5 to 15 mph.
.MONDAY...Sunny. Highs 80 to 85. Southeast winds 5 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows 50 to 55. Southeast winds 5 to
15 mph.
.TUESDAY...Sunny. Highs 80 to 85.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 50 to 55.
Highs 80 to 85.
.WEDNESDAY NIGHT...Mostly cloudy. Lows 55 to 60.
.THURSDAY AND THURSDAY NIGHT...Mostly cloudy with a 20 percent
chance of thunderstorms. Highs 75 to 85. Lows 55 to 60.
.FRIDAY...Partly cloudy. Highs 75 to 85.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 55 to 60.
.SATURDAY...Partly cloudy. Highs 80 to 85.

&&
                  TEMPERATURE         /       PRECIPITATION

Lewistown    46     77     47     80  /  0       0       0       0


$$

MTZ315-241000-
Upper Blackfoot and MacDonald Pass-
Including Marysville, Lincoln, Flesher Pass, and MacDonald Pass
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Lows 45 to 50. Northeast winds 5 to
15 mph.
.SUNDAY...Partly cloudy. Highs 70 to 80. East winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 50 to 55. Northeast winds up
to 10 mph.
.MONDAY...Sunny. Highs 75 to 85. East winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows 50 to 55. Northeast winds
5 to 15 mph.
.TUESDAY...Partly cloudy. Highs 75 to 85.
.TUESDAY NIGHT...Mostly cloudy. Lows 50 to 55.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a 20 percent
chance of thunderstorms. Highs 70 to 80. Lows 50 to 55.
.THURSDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 65 to 75.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a 20 percent
chance of thunderstorms. Lows 50 to 55. Highs 70 to 80.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 50 to 55.
.SATURDAY...Sunny. Highs 70 to 80.

$$

MTZ316-241000-
Gates of the Mountains-
Including Canyon Creek, Wolf Creek, and Craig
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Lows around 50. Northeast winds 10 to
15 mph shifting to the north after midnight.
.SUNDAY...Partly cloudy. Highs 80 to 85. Northeast winds up to
10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 50 to 55. Northeast winds 5 to
15 mph shifting to the northwest up to 5 mph after midnight.
.MONDAY...Sunny. Highs 80 to 85. Southwest winds up to 5 mph
shifting to the northeast in the afternoon.
.MONDAY NIGHT...Partly cloudy. Lows 50 to 55. Northeast winds
5 to 15 mph shifting to the southwest up to 5 mph after midnight.
.TUESDAY...Partly cloudy. Highs 80 to 85.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Lows around 55.
Highs 75 to 85.
.WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows around 55.
.THURSDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs 70 to 80.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a 20 percent
chance of thunderstorms. Lows around 55. Highs 75 to 80.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows 50 to 55.
.SATURDAY...Sunny. Highs 80 to 85.

$$

MTZ317-241000-
Little Belt and Highwood Mountains-
Including Monarch, Neihart, and Kings Hill Pass
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Lows 45 to 50. East winds 5 to 15 mph
shifting to the southeast after midnight.
.SUNDAY...Partly cloudy in the morning then becoming sunny. Highs
70 to 75. Southeast winds up to 10 mph shifting to the east in
the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 45 to 50. Southeast winds up
to 10 mph.
.MONDAY...Sunny. Highs 70 to 80. South winds up to 10 mph
shifting to the east in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows 45 to 55. Southeast winds 5 to
15 mph.
.TUESDAY...Partly cloudy. Highs 70 to 80.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Lows 50 to 55.
Highs 70 to 75.
.WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows 50 to 55.
.THURSDAY...Mostly cloudy with a 30 percent chance of
thunderstorms. Highs 65 to 75.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly cloudy with a
20 percent chance of thunderstorms. Lows 50 to 55. Highs 65 to
75.
.SATURDAY...Sunny. Highs 70 to 80.

$$

MTZ318-241000-
Snowy and Judith Mountains-
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Lows 45 to 50. Southeast winds 5 to
15 mph.
.SUNDAY...Partly cloudy in the morning then becoming sunny. Highs
65 to 75. Southeast winds 5 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Lows 45 to 50. Southeast winds 5 to
15 mph.
.MONDAY...Sunny. Highs 70 to 75. Southeast winds 5 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows 45 to 50. Southeast winds 5 to
15 mph.
.TUESDAY...Partly cloudy. Highs 70 to 80.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows
50 to 55. Highs 70 to 75.
.THURSDAY THROUGH FRIDAY NIGHT...Mostly cloudy with a 20 percent
chance of thunderstorms. Highs 65 to 75. Lows 50 to 55.
.SATURDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 70 to 75.

$$

MTZ319-241000-
Helena Valley-
Including Helena
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Lows around 50. North winds 5 to 15 mph
shifting to the west up to 5 mph after midnight.
.SUNDAY...Partly cloudy. Highs in the mid 80s. East winds up to
10 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 50. North winds up to
10 mph.
.MONDAY...Sunny. Highs around 85. Light winds becoming northeast
5 to 10 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy. Lows 50 to 55. Northeast winds
5 to 10 mph shifting to the southeast after midnight.
.TUESDAY...Partly cloudy. Highs around 85.
.TUESDAY NIGHT...Mostly cloudy. Lows around 55.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a 20 percent
chance of thunderstorms. Highs 80 to 85. Lows around 55.
.THURSDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs 75 to 80.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a 20 percent
chance of thunderstorms. Lows around 55. Highs 80 to 85.
.FRIDAY NIGHT...Partly cloudy. Lows 50 to 55.
.SATURDAY...Sunny. Highs around 85.

&&
                  TEMPERATURE         /       PRECIPITATION

Helena       52     85     52     86  /  0       0       0       0


$$

MTZ320-241000-
Big Belt, Bridger and Castle Mountains-
Including Trident, Maudlow, Battle Ridge Pass, Bozeman Pass,
and Deep Creek Pass
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Haze in the evening. Lows 45 to 50.
East winds 5 to 15 mph.
.SUNDAY...Partly cloudy. Highs 70 to 80. East winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 45 to 50. East winds 5 to
15 mph.
.MONDAY...Sunny. Highs 70 to 80. East winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows 50 to 55. East winds 5 to
15 mph.
.TUESDAY...Partly cloudy. Highs 70 to 80.
.TUESDAY NIGHT...Mostly cloudy. Lows 50 to 55.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a 20 percent
chance of thunderstorms. Highs 65 to 75. Lows 50 to 55.
.THURSDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 65 to 70.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows 50 to 55. Chance of
precipitation 40 percent.
.FRIDAY...Mostly cloudy with a 20 percent chance of
thunderstorms. Highs 65 to 75.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 50 to 55.
.SATURDAY...Sunny. Highs 70 to 80.

$$

MTZ321-241000-
Meagher County Valleys-
Including Martinsdale, Checkerboard, Ringling,
and White Sulphur Springs
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Lows in the mid 40s. East winds 5 to
15 mph.
.SUNDAY...Partly cloudy. Highs 75 to 80. East winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. East winds
5 to 15 mph.
.MONDAY...Sunny. Highs 75 to 80. East winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows 45 to 50. East winds 5 to
15 mph.
.TUESDAY...Partly cloudy. Highs around 80.
.TUESDAY NIGHT...Mostly cloudy. Lows around 50.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a 20 percent
chance of thunderstorms. Highs 75 to 80. Lows 50 to 55.
.THURSDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs 70 to 75.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly cloudy with a
20 percent chance of thunderstorms. Lows 45 to 50. Highs around
75.
.SATURDAY...Sunny. Highs 75 to 80.

$$

MTZ322-241000-
Elkhorn and Boulder Mountains-
Including Montana City, Clancy, Boulder, Corbin, Wickes,
Elk Park Pass, and Homestake Pass
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Haze in the evening. Lows 45 to 50.
Northeast winds 5 to 15 mph.
.SUNDAY...Partly cloudy. Haze in the afternoon. Highs 70 to 80.
East winds up to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Haze in the evening. Lows 45 to
55. Northeast winds up to 10 mph.
.MONDAY...Sunny in the morning then becoming partly cloudy. Highs
70 to 80. East winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows 50 to 55. East winds up to
10 mph.
.TUESDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 70 to 80.
.TUESDAY NIGHT...Mostly cloudy. Lows 50 to 55.
.WEDNESDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 65 to 75.
.WEDNESDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows 50 to 55. Chance of
precipitation 40 percent.
.THURSDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 60 to 70.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows 45 to 55. Chance of
precipitation 30 percent.
.FRIDAY...Mostly cloudy with a 30 percent chance of
thunderstorms. Highs 65 to 75.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 45 to 55.
.SATURDAY...Sunny with a 20 percent chance of thunderstorms.
Highs 70 to 80.

$$

MTZ323-241000-
Canyon Ferry Area-
Including Toston, Townsend, and Winston
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Haze in the evening. Lows 50 to 55.
North winds 10 to 15 mph decreasing to up to 10 mph after
midnight.
.SUNDAY...Partly cloudy. Haze in the afternoon. Highs 80 to 85.
Northeast winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Haze in the evening. Lows 50 to 55.
Northeast winds up to 10 mph.
.MONDAY...Sunny. Highs 80 to 85. East winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows 50 to 55. East winds up to
10 mph.
.TUESDAY...Partly cloudy. Highs 80 to 85.
.TUESDAY NIGHT...Mostly cloudy. Lows around 55.
.WEDNESDAY...Mostly cloudy with a 20 percent chance of
thunderstorms. Highs 75 to 80.
.WEDNESDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows around 55. Chance of
precipitation 30 percent.
.THURSDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs around 75.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows 50 to 55. Chance of
precipitation 30 percent.
.FRIDAY...Mostly cloudy with a 20 percent chance of
thunderstorms. Highs 75 to 80.
.FRIDAY NIGHT...Partly cloudy. Lows 50 to 55.
.SATURDAY...Sunny. Highs 80 to 85.

$$

MTZ324-241000-
Missouri Headwaters-
Including Harrison, Three Forks, Willow Creek, Pony,
and Whitehall
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Haze in the evening. Lows 45 to 50.
Northeast winds 5 to 15 mph.
.SUNDAY...Partly cloudy. Haze in the afternoon. Highs 80 to 85.
East winds up to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Haze in the evening. Lows around
50. Northeast winds up to 10 mph.
.MONDAY...Sunny in the morning then becoming partly cloudy. Highs
80 to 85. Northeast winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 50 to 55. East winds 5 to 15 mph shifting to the
northeast up to 5 mph after midnight.
.TUESDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 80 to 85.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows 50 to 55.
.WEDNESDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 75 to 80.
.WEDNESDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows around 55. Chance of
precipitation 40 percent.
.THURSDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs around 75.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows around 50. Chance of
precipitation 30 percent.
.FRIDAY...Mostly cloudy with a 30 percent chance of
thunderstorms. Highs 75 to 80.
.FRIDAY NIGHT...Partly cloudy. Lows around 50.
.SATURDAY...Sunny. Highs 80 to 85.

$$

MTZ325-241000-
Madison River Valley-
Including Cameron, Ennis, Jeffers, McAllister, and Norris
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Haze through the night. Lows 45 to 50.
North winds 5 to 15 mph.
.SUNDAY...Partly cloudy. Haze in the afternoon. Highs 80 to 85.
North winds up to 5 mph increasing to 5 to 15 mph in the
afternoon.
.SUNDAY NIGHT...Partly cloudy. Haze. Lows around 50. Northeast
winds 5 to 15 mph.
.MONDAY...Sunny in the morning then becoming partly cloudy. Highs
80 to 85. East winds up to 5 mph shifting to the north 5 to
15 mph in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Lows 50 to 55. Northeast winds
5 to 15 mph shifting to the southeast after midnight.
.TUESDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs around 80.
.TUESDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows 50 to 55. Chance of
precipitation 50 percent.
.WEDNESDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 70 to 75.
.WEDNESDAY NIGHT...Cloudy with a 50 percent chance of
thunderstorms. Lows 50 to 55.
.THURSDAY AND THURSDAY NIGHT...Mostly cloudy with a 50 percent
chance of thunderstorms. Highs 70 to 75. Lows around 50.
.FRIDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs 75 to 80.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy with a 20 percent
chance of thunderstorms. Lows 45 to 50. Highs 75 to 80.

$$

MTZ326-241000-
Gallatin Valley-
Including Bozeman and Gallatin Gateway
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Haze in the evening. Lows 45 to 50.
East winds 5 to 15 mph.
.SUNDAY...Partly cloudy. Haze in the afternoon. Highs 80 to 85.
East winds up to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 45 to 50. East winds 5 to
15 mph.
.MONDAY...Sunny. Highs 80 to 85. East winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows around 50. East winds 5 to
15 mph.
.TUESDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 80 to 85.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows 50 to 55.
.WEDNESDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 75 to 80.
.WEDNESDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows 50 to 55. Chance of
precipitation 40 percent.
.THURSDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs around 75.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a 40 percent
chance of thunderstorms. Lows around 50. Highs 75 to 80.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows around 50.
.SATURDAY...Sunny. Highs 80 to 85.

&&
                  TEMPERATURE         /       PRECIPITATION

Bozeman Airport    47     85     46     86  /  0       0       0       0
Bozeman MSU        49     81     50     83  /  0       0       0       0


$$

MTZ330-241000-
Gallatin and Madison County Mountains and Centennial Mountains-
Including Big Sky, West Yellowstone, Targhee Pass,
and Raynolds Pass
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Haze. Lows 45 to 50. Northeast winds
5 to 15 mph.
.SUNDAY...Partly cloudy. Haze. Highs 70 to 80. North winds 5 to
15 mph.
.SUNDAY NIGHT...Partly cloudy. Haze. Lows 45 to 50. Northeast
winds 5 to 15 mph.
.MONDAY...Partly cloudy. A 20 percent chance of thunderstorms in
the afternoon. Highs 70 to 80. Northeast 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 45 to 50. Northeast winds 5 to 15 mph shifting to the east
after midnight. Chance of precipitation 20 percent.
.TUESDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 65 to 75.
.TUESDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows 45 to 55. Chance of
precipitation 50 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a 50 percent
chance of thunderstorms. Highs 60 to 70. Lows 45 to 55.
.THURSDAY...Rain showers likely and chance of thunderstorms.
Highs 55 to 65. Chance of precipitation 70 percent.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a 50 percent
chance of thunderstorms. Lows 40 to 50. Highs 60 to 70.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy with a 20 percent
chance of thunderstorms. Lows 40 to 50. Highs 65 to 75.

&&
                  TEMPERATURE         /       PRECIPITATION

West Yellowstone   38     82     38     80  /  0       10     0       20


$$

MTZ327-241000-
Northwest Beaverhead County-
Including Dewey, Wisdom, Wise River, Big Hole Pass,
and Chief Joseph Pass
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Haze through the night. Lows 45 to 50.
Northeast winds up to 10 mph.
.SUNDAY...Partly cloudy. Haze through the day. Areas of smoke in
the afternoon. Highs 75 to 85. Southeast winds up to 10 mph
shifting to the northwest in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Areas of smoke in the evening.
Haze through the night. Lows 45 to 55. Northeast winds up to
10 mph.
.MONDAY...Partly cloudy in the morning then becoming mostly
cloudy. Haze in the morning. Highs 70 to 80. East winds up to
10 mph.
.MONDAY NIGHT...Mostly cloudy. A 20 percent chance of
thunderstorms in the evening. Lows 45 to 55. East winds up to
10 mph.
.TUESDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 65 to 75.
.TUESDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows 45 to 50. Chance of
precipitation 40 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a 50 percent
chance of thunderstorms. Highs 60 to 70. Lows 45 to 50.
.THURSDAY...Rain showers likely and chance of thunderstorms.
Highs 60 to 70. Chance of precipitation 60 percent.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows 40 to 50. Chance of
precipitation 40 percent.
.FRIDAY...Mostly cloudy with a 30 percent chance of
thunderstorms. Highs 65 to 75.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 40 to 50.
.SATURDAY...Sunny. Highs 65 to 75.

$$

MTZ328-241000-
Beaverhead and Western Madison below 6000ft-
Including Bannack, Dillon, Glen, and Waterloo
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Haze. Lows 45 to 50. Northeast winds
5 to 15 mph.
.SUNDAY...Partly cloudy. Haze through the day. Highs 80 to 85.
Northeast winds up to 10 mph.
.SUNDAY NIGHT...Partly cloudy. Haze. Lows 50 to 55. Northeast
winds 5 to 15 mph.
.MONDAY...Partly cloudy. Highs 80 to 85. Northeast winds up to
10 mph.
.MONDAY NIGHT...Mostly cloudy. Lows 50 to 55. Northeast winds
5 to 15 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy with a 50 percent
chance of thunderstorms. Highs 75 to 80. Lows 50 to 55.
.WEDNESDAY THROUGH THURSDAY...Mostly cloudy with a 50 percent
chance of thunderstorms. Highs 70 to 75. Lows 50 to 55.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows 45 to 50. Chance of
precipitation 40 percent.
.FRIDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs 70 to 80.
.FRIDAY NIGHT...Partly cloudy. Lows 45 to 50.
.SATURDAY...Sunny. Highs 75 to 80.

&&
                  TEMPERATURE         /       PRECIPITATION

Dillon       47     84     48     84  /  0       0       0       10


$$

MTZ329-241000-
Ruby Mountains and Southern Beaverhead Mountains-
Including Monida Pass
202 PM MDT Sat Aug 23 2025

.TONIGHT...Partly cloudy. Haze through the night. Lows around 50.
North winds 5 to 15 mph.
.SUNDAY...Partly cloudy. Haze through the day. Highs 75 to 80.
North winds 5 to 15 mph.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Haze. Lows 50 to 55. Northeast winds 5 to 15 mph.
.MONDAY...Partly cloudy in the morning, then mostly cloudy with a
20 percent chance of thunderstorms in the afternoon. Highs 70 to
80. Northeast 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 50 to 55. Northeast winds 5 to 15 mph shifting to the east
after midnight. Chance of precipitation 20 percent.
.TUESDAY...Thunderstorms likely. Highs 65 to 75. Chance of
thunderstorms 70 percent.
.TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of
thunderstorms. Lows 50 to 55.
.WEDNESDAY...Rain showers and chance of thunderstorms. Highs
60 to 70. Chance of precipitation 90 percent.
.WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy with a 50 percent
chance of thunderstorms. Lows 45 to 55. Highs 60 to 70.
.THURSDAY NIGHT...Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Lows 45 to 50. Chance of
precipitation 50 percent.
.FRIDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 65 to 70.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy with a 20 percent
chance of thunderstorms. Lows 45 to 50. Highs 65 to 75.

$$

http://www.weather.gov/greatfalls
https://www.twitter.com/NWSGreatFalls
https://www.facebook.com/NWSGreatFalls