Remnants of Arthur and Heavy Rainfall Across the South; Severe Weather for the East

Potential life threatening flash flooding across the northern Gulf Coast states as the remnants of Arthur track across the area. Remember, turn around - don't drown. In addition, severe thunderstorms with tornadoes are possible with the circulation of this storm. The threat for more severe thunderstorms will occur across portions of the Northeast, mid-Atlantic and central Appalachian's. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

73°F

23°C

Humidity 23%
Wind Speed NW 8 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 18 Jun 02:46 PM MDT
Extended Forecast for

14 Miles NNE Garrison MT

  • Tonight

    Tonight: Mostly clear, with a low around 39. North northwest wind 5 to 10 mph becoming light and variable.

    Low: 39 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Increasing clouds, with a high near 72. East southeast wind around 6 mph.

    High: 72 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44. East northeast wind 3 to 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 74. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 20%.

    High: 74 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. West northwest wind 6 to 11 mph becoming light west  after midnight. Winds could gust as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 69.

    High: 69 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

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

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 39. North northwest wind 5 to 10 mph becoming light and variable.
Juneteenth
Increasing clouds, with a high near 72. East southeast wind around 6 mph.
Friday Night
Partly cloudy, with a low around 44. East northeast wind 3 to 5 mph.
Saturday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 74. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 44. West northwest wind 6 to 11 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NNE Garrison MT
 46.72°N 112.69°W (Elev. 5423 ft)
2:00 pm MDT Jun 18, 2026
3pm MDT Jun 18, 2026-6pm MDT Jun 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database