Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

NA

59°F

15°C

Humidity 55%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 20 Jun 12:00 AM MDT
Extended Forecast for

11 Miles SSE Helmville MT

  • Overnight

    Overnight: Partly cloudy, with a low around 44. East southeast wind 5 to 7 mph becoming south southwest.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. West southwest wind 6 to 13 mph, with gusts as high as 26 mph.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62. West southwest wind 6 to 13 mph, with gusts as high as 24 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Northwest wind 6 to 13 mph becoming east northeast after midnight. Winds could gust as high as 25 mph.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. East southeast wind 5 to 7 mph becoming south southwest.
Saturday
Mostly sunny, with a high near 68. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 45. West southwest wind 6 to 13 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 62. West southwest wind 6 to 13 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 40. Northwest wind 6 to 13 mph becoming east northeast after midnight. Winds could gust as high as 25 mph.
Monday
Mostly sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSE Helmville MT
 46.72°N 112.88°W (Elev. 6450 ft)
2:01 pm MDT Jun 19, 2026
12am MDT Jun 20, 2026-6pm MDT Jun 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database