Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

57°F

14°C

Humidity 41%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 18 Oct 01:30 PM MDT
Extended Forecast for

6 Miles NNW Garrison MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 59. Calm wind.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Calm wind becoming east southeast 5 to 7 mph after midnight.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. East wind 5 to 8 mph becoming light and variable  in the afternoon.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. East southeast wind around 6 mph becoming calm  after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. Light east wind.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain after noon.  Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 59. Calm wind.
Tonight
Mostly clear, with a low around 34. Calm wind becoming east southeast 5 to 7 mph after midnight.
Monday
Sunny, with a high near 67. East wind 5 to 8 mph becoming light and variable in the afternoon.
Monday Night
Mostly cloudy, with a low around 36. East southeast wind around 6 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 63. Light east wind.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
A chance of rain after noon. Partly sunny, with a high near 64.
Thursday Night
Rain. Mostly cloudy, with a low around 38.
Friday
Rain likely. Mostly cloudy, with a high near 45.
Friday Night
A slight chance of rain and snow. Snow level 5900 feet lowering to 4800 feet after midnight . Mostly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Garrison MT
 46.6°N 112.85°W (Elev. 4767 ft)
12:22 pm MDT Oct 18, 2026
1pm MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
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Additional Resources

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