Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09° N Lon: 105.92° W Elev: 8207 ft.

Fair

47°F

8°C

Humidity 90%
Wind Speed Calm
Barometer 30.46 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 29 Aug 12:55 am MDT
Detailed forecast for

South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet

Tonight
Mostly cloudy with a chance of thunderstorms early in the evening, then mostly cloudy with a slight chance of rain showers overnight. Lows 36 to 46. Chance of rain 30 percent.
Friday
Mostly cloudy. Chance of thunderstorms in the afternoon. Highs 53 to 63. West winds 10 to 15 mph in the afternoon. Chance of precipitation 40 percent.
Friday Night
Mostly cloudy. Chance of thunderstorms in the evening, then a chance of rain showers after midnight. Lows 34 to 44. Chance of rain 30 percent.
Saturday
Mostly cloudy with a 50 percent chance of thunderstorms. Highs 52 to 62.
Saturday Night
Partly cloudy with a 20 percent chance of thunderstorms. Lows 32 to 42.
Sunday
Mostly sunny with a 10 percent chance of thunderstorms. Highs 55 to 65.
Sunday Night Through Monday Night
Mostly clear. Lows 34 to 44. Highs 58 to 68.
Tuesday
Partly cloudy with a 30 percent chance of thunderstorms. Highs 58 to 68.
Tuesday Night
Partly cloudy with a 20 percent chance of thunderstorms. Lows 34 to 44.
Wednesday
Partly cloudy with a 50 percent chance of thunderstorms. Highs 54 to 64.
Wednesday Night
Partly cloudy with a 20 percent chance of thunderstorms. Lows 32 to 42.
Thursday
Partly cloudy with a 30 percent chance of thunderstorms. Highs 55 to 65.



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233 PM MDT Thu Aug 28 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database