Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

MAIN BOULDER (MBRM8)

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

NA

69°F

21°C

Humidity 12%
Wind Speed SSE 11 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Last update 17 Oct 12:39 PM MDT
Extended Forecast for

7 Miles NNW Cooke City MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 49. Southwest wind 16 to 18 mph.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 30. Southwest wind 5 to 14 mph becoming south southeast after midnight.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47. South southeast wind 5 to 13 mph becoming west southwest in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. South southeast wind 6 to 9 mph.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49. South wind around 9 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. South southwest wind around 6 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. South wind 3 to 7 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 33. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 33 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. East southeast wind 5 to 9 mph becoming southwest in the afternoon.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 49. Southwest wind 16 to 18 mph.
Tonight
Partly cloudy, with a low around 30. Southwest wind 5 to 14 mph becoming south southeast after midnight.
Sunday
Mostly sunny, with a high near 47. South southeast wind 5 to 13 mph becoming west southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 30. South southeast wind 6 to 9 mph.
Monday
Sunny, with a high near 49. South wind around 9 mph.
Monday Night
Mostly clear, with a low around 33. South southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 48. South wind 3 to 7 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 33. Calm wind becoming south southeast around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 50. East southeast wind 5 to 9 mph becoming southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 35. South southeast wind 3 to 7 mph.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 51. South southeast wind 6 to 10 mph becoming southwest in the afternoon.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 36. South southwest wind around 6 mph becoming east southeast after midnight. Chance of precipitation is 50%.
Friday
Rain and snow showers. High near 43. South wind 5 to 8 mph becoming west northwest in the afternoon. Chance of precipitation is 90%.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Cooke City MT
 45.11°N 109.98°W (Elev. 8999 ft)
12:32 pm MDT Oct 17, 2026
1pm MDT Oct 17, 2026-6pm MDT Oct 23, 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