Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. 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 40%
Wind Speed NNW 4 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 19 Oct 01:00 PM MDT
Extended Forecast for

7 Miles ENE Garrison MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 69. South southwest wind 5 to 8 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. Calm wind becoming east around 5 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. East northeast wind 3 to 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 68. East southeast wind around 5 mph becoming light and variable.

    High: 68 °F

    Sunny

  • Wednesday Night

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

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Rain, mainly after midnight.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain.  Cloudy, with a high near 49.

    High: 49 °F

    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 69. South southwest wind 5 to 8 mph.
Tonight
Partly cloudy, with a low around 36. Light and variable wind.
Tuesday
Mostly sunny, with a high near 64. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 34. East northeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 68. East southeast wind around 5 mph becoming light and variable.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Rain, mainly after midnight. Mostly cloudy, with a low around 38.
Friday
Rain. Cloudy, with a high near 49.
Friday Night
A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then a slight chance of snow after midnight. Snow level 6400 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
A slight chance of snow. Snow level 6000 feet lowering to 4800 feet after midnight . Mostly cloudy, with a low around 27.
Sunday
A slight chance of rain and snow. Snow level rising to 6400 feet in the afternoon. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ENE Garrison MT
 46.57°N 112.66°W (Elev. 4596 ft)
12:51 pm MDT Oct 19, 2026
1pm MDT Oct 19, 2026-6pm MDT Oct 25, 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