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

54°F

12°C

Humidity 30%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 17 Oct 11:39 PM MDT
Extended Forecast for

15 Miles NNW Silver Gate MT

  • Overnight

    Overnight: Partly cloudy, with a low around 27. South southwest wind 11 to 17 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 43. South southwest wind around 11 mph.

    High: 43 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. South southwest wind 8 to 14 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45. South southwest wind 10 to 14 mph.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. South wind 7 to 11 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. South wind 8 to 10 mph.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 31. Southeast wind 3 to 7 mph.

    Low: 31 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 46. Southeast wind 9 to 13 mph becoming south southwest in the afternoon.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. South wind 6 to 11 mph.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 27. South southwest wind 11 to 17 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 43. South southwest wind around 11 mph.
Sunday Night
Mostly clear, with a low around 28. South southwest wind 8 to 14 mph.
Monday
Sunny, with a high near 45. South southwest wind 10 to 14 mph.
Monday Night
Mostly clear, with a low around 30. South wind 7 to 11 mph.
Tuesday
Mostly sunny, with a high near 45. South wind 8 to 10 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 31. Southeast wind 3 to 7 mph.
Wednesday
Sunny, with a high near 46. Southeast wind 9 to 13 mph becoming south southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 34. South wind 6 to 11 mph.
Thursday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 47. South southeast wind 10 to 13 mph.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 34. South wind 6 to 10 mph. Chance of precipitation is 50%.
Friday
Rain and snow showers. High near 39. South wind around 10 mph becoming west in the afternoon. Chance of precipitation is 80%.
Friday Night
Rain and snow showers. Low around 27. West northwest wind around 10 mph. Chance of precipitation is 80%.
Saturday
A 40 percent chance of snow showers. Partly sunny, with a steady temperature around 30. Southwest wind around 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNW Silver Gate MT
 45.2°N 110.09°W (Elev. 9600 ft)
Last Update:
9:52 pm MDT Oct 17, 2026
Forecast Valid:
12am MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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