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

Critical Fire Weather in the Southern Plains; Severe Storms in the Ohio Valley

Strong winds and low humidity will create elevated to critical fire weather conditions across the Southern Plains on Thursday. Strong to severe thunderstorms are forecast in the Ohio Valley late Thursday into Friday morning, with the strongest storms capable of producing very large hail, damaging winds, and a few tornadoes. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

53°F

12°C

Humidity 34%
Wind Speed E 9 mph
Barometer 30.20 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 25 Mar 10:15 pm MDT
Extended Forecast for

Grand Lake CO

  • Tonight

    Tonight: Mostly clear, with a low around 38. Southwest wind around 7 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 63. West wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 63 °F

    Sunny then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of rain showers before midnight, then a chance of snow showers. Mostly cloudy, with a low around 27. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 27 °F

    Chance
    Showers then
    Chance Snow
    Showers

  • Friday

    Friday: A 30 percent chance of snow showers, mainly before noon. Partly sunny, with a high near 52. Calm wind becoming south southwest around 6 mph in the afternoon. Little or no snow accumulation expected.

    High: 52 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. West wind 3 to 6 mph.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after noon. Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. Southwest wind around 7 mph.
Thursday
A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 63. West wind 6 to 14 mph, with gusts as high as 21 mph.
Thursday Night
A chance of rain showers before midnight, then a chance of snow showers. Mostly cloudy, with a low around 27. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
A 30 percent chance of snow showers, mainly before noon. Partly sunny, with a high near 52. Calm wind becoming south southwest around 6 mph in the afternoon. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 30. West wind 3 to 6 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
A chance of showers after noon. Mostly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
A chance of showers after noon. Partly sunny, with a high near 58.
Monday Night
A chance of showers. Mostly cloudy, with a low around 33.
Tuesday
Showers likely. Mostly cloudy, with a high near 53.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29.
Wednesday
Rain and snow showers. Mostly cloudy, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.23°N 105.82°W (Elev. 9199 ft)
Last Update:
12:46 pm MDT Mar 25, 2026
Forecast Valid:
10pm MDT Mar 25, 2026-6pm MDT Apr 1, 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