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

48°F

9°C

Humidity 50%
Wind Speed E 5 mph
Barometer 30.33 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 8 Aug 3:15 am MDT
Extended Forecast for

5 Miles WNW Arapahoe Peak CO

Red Flag Warning August 8, 10:00am until August 8, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Overnight

    Overnight: Mostly clear, with a low around 52. West wind around 13 mph, with gusts as high as 22 mph.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69. Breezy, with a west wind 13 to 22 mph, with gusts as high as 36 mph.

    High: 69 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 46. Breezy, with a west wind 13 to 18 mph becoming light southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65. Light west southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 25 mph.

    High: 65 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 46. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 62. Chance of precipitation is 40%.

    High: 62 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.

    High: 66 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 52. West wind around 13 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 69. Breezy, with a west wind 13 to 22 mph, with gusts as high as 36 mph.
Friday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 46. Breezy, with a west wind 13 to 18 mph becoming light southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65. Light west southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 25 mph.
Saturday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 46. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 62. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 42.
Monday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Arapahoe Peak CO
 40.04°N 105.74°W (Elev. 10272 ft)
Last Update:
2:26 pm MDT Aug 7, 2025
Forecast Valid:
3am MDT Aug 8, 2025-6pm MDT Aug 14, 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