Excessive Rainfall Possible This Weekend; October Heat Wave in California
A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >
Current conditions at
Garrison I-90 MP 174.4 (MTGAR)
Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.NA
44°F
7°C
| Humidity | 66% |
| Wind Speed | SE 0 MPH |
| Barometer | NA |
| Dewpoint | 33°F (1°C) |
| Visibility | NA |
| Last update | 04 Oct 09:45 AM MDT |
Extended Forecast for
Garrison MT
Today
High: 79 °F
Sunny
Tonight
Low: 38 °F
Mostly Clear
Monday
High: 79 °F
Mostly Sunny
Monday Night
Low: 41 °F
Partly Cloudy
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 41 °F
Mostly Clear
Wednesday
High: 75 °F
Sunny
Wednesday Night
Low: 39 °F
Mostly Clear
Thursday
High: 73 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 79. Light and variable wind.
Tonight
Mostly clear, with a low around 38. Calm wind.
Monday
Mostly sunny, with a high near 79. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 41. West northwest wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 75. Calm wind becoming west northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 38.
Saturday
A chance of rain. Partly sunny, with a high near 57.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Garrison MT
46.54°N 112.81°W (Elev. 4400 ft)
46.54°N 112.81°W (Elev. 4400 ft)
2:01 am MDT Oct 4, 2026
10am MDT Oct 4, 2026-6pm MDT Oct 10, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
