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

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

57°F

14°C

Humidity 13%
Wind Speed W 3 mph
Barometer 30.17 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 21 Mar 9:35 pm MDT
Extended Forecast for

Granby CO

Red Flag Warning March 21, 09:54pm until March 21, 10:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning March 21, 09:54pm until March 21, 10:00pm

    NOW until 10:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. Northwest wind around 6 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after noon. Partly sunny, with a high near 63. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 63 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 17 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. Breezy.

    High: 69 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Breezy.

    High: 71 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. West wind 5 to 7 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 63. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Mostly cloudy, with a low around 31. Northwest wind around 6 mph becoming calm in the evening.
Monday
A 20 percent chance of showers after noon. Partly sunny, with a high near 63. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 34. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Tuesday
Mostly sunny, with a high near 69. Breezy.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
Sunny, with a high near 71. Breezy.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 68. Breezy.
Thursday Night
Partly cloudy, with a low around 30.
Friday
A slight chance of rain. Mostly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
A slight chance of rain. Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Granby CO
 40.09°N 105.95°W (Elev. 7999 ft)
Last Update:
12:47 pm MDT Mar 21, 2026
Forecast Valid:
9pm MDT Mar 21, 2026-6pm MDT Mar 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