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

Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

17°F

-8°C

Humidity 64%
Wind Speed SE 6 mph
Barometer 30.45 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 21 Feb 8:15 pm MST
Extended Forecast for

Grand Lake CO

  • Tonight

    Tonight: Mostly clear, with a low around -2. Light and variable wind.

    Low: -2 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 37. Wind chill values as low as -1. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 7. Southwest wind around 5 mph becoming light and variable in the evening.

    Low: 7 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 43. Calm wind becoming west around 6 mph in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16. West wind 3 to 6 mph.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46. Breezy.

    High: 46 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely before 11am, then rain and snow. Mostly cloudy, with a high near 42. Breezy.

    High: 42 °F

    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 12. Breezy.

    Low: 12 °F

    Snow Likely
    and Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around -2. Light and variable wind.
Sunday
Sunny, with a high near 37. Wind chill values as low as -1. Calm wind becoming southwest 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 7. Southwest wind around 5 mph becoming light and variable in the evening.
Monday
Mostly sunny, with a high near 43. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 16. West wind 3 to 6 mph.
Tuesday
Partly sunny, with a high near 46. Breezy.
Tuesday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 24.
Wednesday
Snow likely before 11am, then rain and snow. Mostly cloudy, with a high near 42. Breezy.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 12. Breezy.
Thursday
A chance of snow, mainly before 11am. Mostly sunny, with a high near 39. Breezy.
Thursday Night
Mostly clear, with a low around 15.
Friday
A slight chance of snow. Mostly sunny, with a high near 43. Breezy.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 18.
Saturday
A chance of snow. Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.85°W (Elev. 8599 ft)
Last Update:
11:46 am MST Feb 21, 2026
Forecast Valid:
8pm MST Feb 21, 2026-6pm MST Feb 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation