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.

Partly Cloudy

80°F

27°C

Humidity 25%
Wind Speed E 15 mph
Barometer 30.39 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 13 Jul 5:15 pm MDT
Extended Forecast for

3 Miles NNW Arapahoe Peak CO

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 62. East wind around 8 mph.

    High: 62 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 1am. Partly cloudy, with a low around 44. East southeast wind 6 to 9 mph becoming west southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Sunny through mid morning, then becoming mostly cloudy, with a high near 65. West northwest wind 6 to 8 mph. Chance of precipitation is 60%.

    High: 65 °F

    Sunny then
    Showers
    Likely

  • Monday Night

    Monday 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 45. West wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65. West northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 65 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny
    then T-storms
    Likely

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 62. East wind around 8 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 1am. Partly cloudy, with a low around 44. East southeast wind 6 to 9 mph becoming west southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Monday
Showers likely and possibly a thunderstorm after noon. Sunny through mid morning, then becoming mostly cloudy, with a high near 65. West northwest wind 6 to 8 mph. Chance of precipitation is 60%.
Monday 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 45. West wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65. West northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Wednesday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 43.
Thursday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 62.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 62.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 63.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Arapahoe Peak CO
 40.06°N 105.69°W (Elev. 10656 ft)
Last Update:
2:21 pm MDT Jul 13, 2025
Forecast Valid:
5pm MDT Jul 13, 2025-6pm MDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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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