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.

Overcast

56°F

13°C

Humidity 85%
Wind Speed SE 5 mph
Barometer 30.41 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 26 Aug 7:15 pm MDT
Extended Forecast for

2 Miles SSE Arapahoe Peak CO

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. West southwest wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 43 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before noon, then showers and possibly a thunderstorm between noon and 4pm, then showers and thunderstorms likely after 4pm. High near 51. Breezy, with a west wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 51 °F

    Chance
    Showers and
    Breezy then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 40. West wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    Low: 40 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 48. West wind 8 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    High: 48 °F

    Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41. West wind 8 to 13 mph, with gusts as high as 17 mph. Chance of precipitation is 70%.

    Low: 41 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.

    High: 49 °F

    Chance
    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.

    Low: 38 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 48.

    High: 48 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. West southwest wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Wednesday
A chance of showers and thunderstorms before noon, then showers and possibly a thunderstorm between noon and 4pm, then showers and thunderstorms likely after 4pm. High near 51. Breezy, with a west wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 40. West wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Thursday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 48. West wind 8 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41. West wind 8 to 13 mph, with gusts as high as 17 mph. Chance of precipitation is 70%.
Friday
A chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 48.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 37.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 39.
Labor Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 39. Breezy.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 51. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Arapahoe Peak CO
 40°N 105.62°W (Elev. 11716 ft)
Last Update:
2:55 pm MDT Aug 26, 2025
Forecast Valid:
7pm MDT Aug 26, 2025-6pm MDT Sep 2, 2025
 
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