National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

46°F

8°C

Humidity 47%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 18 Oct 03:39 AM MDT
Extended Forecast for

6 Miles NNW Cooke City MT

  • Today

    Today: Mostly sunny, with a high near 47. Southeast wind 6 to 10 mph becoming west southwest in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. Southwest wind 6 to 8 mph becoming south southeast in the evening.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49. Southwest wind 6 to 8 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. South wind around 6 mph.

    Low: 31 °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 30 percent chance of showers before midnight. Partly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly clear, with a low around 34. Light and variable wind becoming south southeast 5 to 8 mph in the evening.

    Low: 34 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers. Mostly sunny, with a high near 51. East southeast wind 6 to 10 mph becoming southwest in the afternoon.

    High: 51 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 47. Southeast wind 6 to 10 mph becoming west southwest in the afternoon.
Tonight
Mostly clear, with a low around 30. Southwest wind 6 to 8 mph becoming south southeast in the evening.
Monday
Sunny, with a high near 49. Southwest wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 31. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 48. South wind 3 to 7 mph.
Tuesday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 32. Light and variable wind.
Wednesday
Mostly sunny, with a high near 49. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 34. Light and variable wind becoming south southeast 5 to 8 mph in the evening.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 51. East southeast wind 6 to 10 mph becoming southwest in the afternoon.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 35. South wind 5 to 8 mph.
Friday
Rain and snow showers. High near 42. West northwest wind 7 to 9 mph becoming south southwest in the morning. Chance of precipitation is 90%.
Friday Night
Snow showers. Low around 28. North northwest wind 7 to 13 mph. Chance of precipitation is 80%.
Saturday
A 30 percent chance of snow showers. Partly sunny, with a high near 37. Southwest wind 7 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Cooke City MT
 45.11°N 109.98°W (Elev. 8999 ft)
Last Update:
3:52 am MDT Oct 18, 2026
Forecast Valid:
4am MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation