GREAT FALLS, MT 59405 Weather Forecast & Current Conditions

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GREAT FALLS, MT
Current Weather

4:53 AM MST DEC 14, 2025
Clear
45°F
Feels Like: 38°F
Dewpoint: 21°F
Rel. Hum.: 37%
Visibility: 10 miles
Wind: SSW at 16 mph
Pressure: 29.92 inches
Last 72 hours

Local Area Snow Depth

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GREAT FALLS, MT 59405
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TODAY
Mostly cloudy. Haze through the day. Areas of smoke in the afternoon. A 20 percent chance of rain showers in the afternoon. Highs 75 to 80. West winds up to 10 mph shifting to the northwest in the afternoon.
TONIGHT
Cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Haze and areas of smoke through the night. Lows 50 to 55. Northwest winds 5 to 10 mph shifting to the southwest after midnight. Chance of precipitation 50 percent.
WEDNESDAY
Mostly cloudy. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Haze through the day. Highs 70 to 75. West winds up to 10 mph shifting to the north in the afternoon. Chance of precipitation 50 percent.
WEDNESDAY NIGHT
Partly cloudy. A 20 percent chance of thunderstorms in the evening. Haze in the evening. Lows 45 to 50. Northeast winds 5 to 10 mph shifting to the south after midnight.
THURSDAY
Mostly cloudy in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs 70 to 75. Southwest winds up to 10 mph shifting to the northeast in the afternoon.
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 20 percent chance of rain showers. Highs 65 to 75.
FRIDAY NIGHT
Partly cloudy. Lows 45 to 50.
SATURDAY
Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 50 percent.
SATURDAY NIGHT
Mostly cloudy with a 40 percent chance of rain showers. Lows around 45.
SUNDAY
Mostly cloudy with a 20 percent chance of rain showers. Highs 60 to 70.
SUNDAY NIGHT
Mostly cloudy with a 40 percent chance of rain showers. Lows 40 to 45.
MONDAY
Mostly cloudy with a 50 percent chance of rain showers. Highs 60 to 70.

Visible Weather Satellite
GREAT FALLS, MT 59405
Infrared Weather Satellite
GREAT FALLS, MT 59405
NEXRAD Weather Radar
GREAT FALLS, MT 59405

GREAT FALLS, MT 3 hourly weather forecast

weather forecast created  7:00 PM EST 12/13/2025
Sunday
14 DEC 2025
GREAT FALLS, MT 59405 weather forecast Day 1, 0 hours 11 PM 35° 25° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   16 55% 21°
Low 34° GREAT FALLS, MT 59405 weather forecast Day 1, 3 hours 2 AM 38° 29° Mostly Cloudy SSW   16 51% 22°
High 50° GREAT FALLS, MT 59405 weather forecast Day 1, 6 hours 5 AM 40° 31° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SSW   16 47% 22°

Mostly Cloudy




Breezy
GREAT FALLS, MT 59405 weather forecast Day 1, 9 hours 8 AM 42° 34° Mostly Cloudy SSW   17 44% 22°
GREAT FALLS, MT 59405 weather forecast Day 1, 12 hours 11 AM 45° 38° Mostly Cloudy 1%

0% Thunder
( 0% severe)
SW   16 45% 25°
GREAT FALLS, MT 59405 weather forecast Day 1, 15 hours 2 PM 49° 43° Mostly Cloudy SW   18 40% 26°
GREAT FALLS, MT 59405 weather forecast Day 1, 18 hours 5 PM 45° 38° Mostly Cloudy 2%

0% Thunder
( 0% severe)
SW   16 43% 24°
GREAT FALLS, MT 59405 weather forecast Day 1, 21 hours 8 PM 43° 35° Mostly Cloudy SW   16 46% 24°
Monday
15 DEC 2025
GREAT FALLS, MT 59405 weather forecast Day 2, 0 hours 11 PM 43° 35° Mostly Cloudy 2%

0% Thunder
( 0% severe)
SW   16 46% 24°
Low 38° GREAT FALLS, MT 59405 weather forecast Day 2, 3 hours 2 AM 43° 35° Mostly Cloudy SW   16 46% 24°
High 55° GREAT FALLS, MT 59405 weather forecast Day 2, 6 hours 5 AM 44° 36° Mostly Cloudy 1%

0% Thunder
( 0% severe)
SW   17 44% 24°

Mostly Cloudy




Windy
GREAT FALLS, MT 59405 weather forecast Day 2, 9 hours 8 AM 45° 37° Mostly Cloudy SSW   20 45% 25°
GREAT FALLS, MT 59405 weather forecast Day 2, 12 hours 11 AM 49° 42° Mostly Cloudy 2%

0% Thunder
( 1% severe)
SSW   22 42% 27°
GREAT FALLS, MT 59405 weather forecast Day 2, 15 hours 2 PM 53° 47° Mostly Cloudy SW   24 41% 30°
GREAT FALLS, MT 59405 weather forecast Day 2, 18 hours 5 PM 51° 44° Mostly Cloudy 2%

0% Thunder
( 1% severe)
SW   23 50% 33°
GREAT FALLS, MT 59405 weather forecast Day 2, 21 hours 8 PM 51° 44° Partly Cloudy SW   28 54% 35°

GREAT FALLS, MT extended weather forecast

Tuesday
16 DEC 2025
Wednesday
17 DEC 2025
Thursday
18 DEC 2025
Friday
19 DEC 2025
Saturday
20 DEC 2025
Low 47° Low 41° Low 17° Low 35° Low 26°
High 56° High 46° High 41° High 51° High 41°
GREAT FALLS, MT 59405 weather forecast Day 3 GREAT FALLS, MT 59405 weather forecast Day 4 GREAT FALLS, MT 59405 weather forecast Day 5 GREAT FALLS, MT 59405 weather forecast Day 6 GREAT FALLS, MT 59405 weather forecast Day 7
Mostly Cloudy
20% Rain/Snow
Overcast
58% Rain/Snow
Mostly Cloudy
36% Snow
Overcast
46% Snow
Overcast
23% Snow
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