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.

Light Rain

54°F

12°C

Humidity 94%
Wind Speed N 7 mph
Barometer 30.51 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 19 Aug 1:15 am MDT
Extended Forecast for

Arapahoe Peak CO

  • Overnight

    Overnight: A 30 percent chance of showers before 3am. Mostly cloudy, with a low around 42. Breezy, with a west northwest wind 13 to 16 mph.

    Low: 42 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between noon and 3pm. Mostly sunny, with a high near 55. Breezy, with a west northwest wind 11 to 18 mph, with gusts as high as 29 mph.

    High: 55 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. West wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 58. Breezy, with a west northwest wind 8 to 15 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 58 °F

    Sunny and
    Breezy then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. North wind 7 to 13 mph becoming south in the evening. Winds could gust as high as 16 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60.

    High: 60 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Showers
    Likely then
    Mostly Cloudy
    and Breezy

Detailed Forecast

Overnight
A 30 percent chance of showers before 3am. Mostly cloudy, with a low around 42. Breezy, with a west northwest wind 13 to 16 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between noon and 3pm. Mostly sunny, with a high near 55. Breezy, with a west northwest wind 11 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 43. West wind 7 to 14 mph, with gusts as high as 22 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 58. Breezy, with a west northwest wind 8 to 15 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 44. North wind 7 to 13 mph becoming south in the evening. Winds could gust as high as 16 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58.
Saturday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 44. Breezy.
Sunday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 55. Breezy.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. Breezy.
Monday
Showers and possibly a thunderstorm. Partly sunny, with a high near 55. Breezy.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 41.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 ft)
Last Update:
12:46 am MDT Aug 19, 2026
Forecast Valid:
1am MDT Aug 19, 2026-6pm MDT Aug 25, 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