Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Overcast

14°F

-10°C

Humidity 68%
Wind Speed SW 9 mph
Barometer 30.00 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 21 Feb 12:15 am MST
Extended Forecast for

10 Miles NNE Silverthorne CO

  • Overnight

    Overnight: Mostly cloudy, with a low around -3. Wind chill values as low as -12. West northwest wind around 5 mph.

    Low: -3 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 29. Wind chill values as low as -11. Northwest wind 3 to 8 mph.

    High: 29 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 1. Calm wind.

    Low: 1 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 41. Calm wind becoming west around 6 mph. Winds could gust as high as 15 mph.

    High: 41 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 10. Calm wind.

    Low: 10 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around -3. Wind chill values as low as -12. West northwest wind around 5 mph.
Saturday
Sunny, with a high near 29. Wind chill values as low as -11. Northwest wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 1. Calm wind.
Sunday
Sunny, with a high near 41. Calm wind becoming west around 6 mph. Winds could gust as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 10. Calm wind.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 26.
Wednesday
Snow likely before 11am, then rain and snow. Mostly cloudy, with a high near 42. Breezy.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 15.
Thursday
A chance of snow. Partly sunny, with a high near 41.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 17.
Friday
A slight chance of snow. Mostly sunny, with a high near 44. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Silverthorne CO
 39.8°N 106.03°W (Elev. 8996 ft)
11:45 pm MST Feb 20, 2026
12am MST Feb 21, 2026-6pm MST Feb 27, 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