National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

50°F

10°C

Humidity 73%
Wind Speed SE 4 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill49°F (9°C)
Last update 19 Jun 03:00 AM MDT
Extended Forecast for

6 Miles NNW Garrison MT

  • Overnight

    Overnight: Mostly clear, with a low around 40. East northeast wind 3 to 5 mph.

    Low: 40 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 75. East wind 5 to 9 mph.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. Northeast wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 78. Light west wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 78 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. West northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 26 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 40. East northeast wind 3 to 5 mph.
Juneteenth
Mostly sunny, with a high near 75. East wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 45. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 78. Light west wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 46. West northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 26 mph.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Garrison MT
 46.6°N 112.85°W (Elev. 4767 ft)
Last Update:
2:00 am MDT Jun 19, 2026
Forecast Valid:
3am MDT Jun 19, 2026-6pm MDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

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