National Weather Service

News Headlines

SCN26-50: Discontinuation of the State Forecast Product (SFP) for all NWS Central Region, Southern Region, and Western Region Offices: Effective June 29, 2026
The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.

Current conditions at

Malmstrom Air Force Base (KGFA)

Lat: 47.5°NLon: 111.18333°WElev: 3527.0ft.

Clear

49°F

9°C

Humidity	82%
Wind Speed	SW 4 MPH
Barometer	30.15 in (1021.0 mb)
Dewpoint	44°F (7°C)
Visibility	10.00 mi
Wind Chill	48°F (9°C)
Last update	19 Jun 01:55 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Belt MT

Overnight
Low: 43 °F
Mostly Clear
Juneteenth
High: 71 °F
Mostly Sunny
Friday Night
Low: 48 °F
Partly Cloudy
Saturday
High: 79 °F
Partly Sunny
Saturday Night
Low: 50 °F
Chance
Showers then
Mostly Cloudy
Sunday
High: 68 °F
Partly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 45 °F
Slight Chance
T-storms then
Slight Chance
Showers
Monday
High: 65 °F
Slight Chance
Showers
Monday Night
Low: 44 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 43. Light south southeast wind.

Juneteenth

Mostly sunny, with a high near 71. Light and variable wind becoming east 5 to 10 mph in the morning.

Friday Night

Partly cloudy, with a low around 48. East wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.

Saturday

Partly sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon.

Saturday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 50. South wind around 6 mph. Chance of precipitation is 40%.

Sunday

A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 68. West wind 3 to 8 mph. Chance of precipitation is 20%.

Sunday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 45. North northwest wind 5 to 10 mph becoming light northwest after midnight. Chance of precipitation is 20%.

Monday

A slight chance of showers. Mostly sunny, with a high near 65. Light west northwest wind becoming north northwest 5 to 9 mph in the morning.

Monday Night

Mostly clear, with a low around 44.

Tuesday

Sunny, with a high near 74.

Tuesday Night

Partly cloudy, with a low around 49.

Wednesday

Mostly sunny, with a high near 80.

Wednesday Night

Partly cloudy, with a low around 52.