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

MAIN BOULDER (MBRM8)

Lat: 45.45813°NLon: 110.19768°WElev: 5405.0ft.

NA

60°F

16°C

Humidity 32%
Wind Speed NNW 5 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 18 Oct 02:39 PM MDT
Extended Forecast for

13 Miles NNW Cooke City MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 44. Southwest wind around 10 mph.

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. South southwest wind 8 to 14 mph.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 46. South southwest wind 8 to 14 mph.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. South wind 7 to 11 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers after noon, mixing with rain after 3pm.  Mostly sunny, with a high near 45. South wind 6 to 10 mph.  Chance of precipitation is 20%.

    High: 45 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers before midnight.  Partly cloudy, with a low around 33. Calm wind becoming south southeast 5 to 8 mph in the evening.  Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. South southeast wind around 10 mph becoming southwest in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. South southeast wind 5 to 9 mph.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 49. South southeast wind 8 to 13 mph.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 44. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 31. South southwest wind 8 to 14 mph.
Monday
Sunny, with a high near 46. South southwest wind 8 to 14 mph.
Monday Night
Partly cloudy, with a low around 32. South wind 7 to 11 mph.
Tuesday
A slight chance of snow showers after noon, mixing with rain after 3pm. Mostly sunny, with a high near 45. South wind 6 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain and snow showers before midnight. Partly cloudy, with a low around 33. Calm wind becoming south southeast 5 to 8 mph in the evening. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 47. South southeast wind around 10 mph becoming southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 35. South southeast wind 5 to 9 mph.
Thursday
Mostly sunny, with a high near 49. South southeast wind 8 to 13 mph.
Thursday Night
Rain showers likely before 3am, then rain and snow showers likely. Mostly cloudy, with a low around 34. South wind 6 to 8 mph. Chance of precipitation is 60%.
Friday
Rain and snow showers. Temperature falling to around 29 by 5pm. West southwest wind 8 to 11 mph. Chance of precipitation is 100%.
Friday Night
Rain and snow showers. Low around 26. West southwest wind 9 to 11 mph. Chance of precipitation is 80%.
Saturday
A 20 percent chance of snow showers. Mostly sunny, with a high near 31. South southwest wind around 11 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Cooke City MT
 45.19°N 110.02°W (Elev. 9600 ft)
2:32 pm MDT Oct 18, 2026
2pm MDT Oct 18, 2026-6pm MDT Oct 24, 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