Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

53°F

12°C

Humidity 88%
Wind Speed Calm
Barometer 30.52 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 24 Jul 6:55 am MDT
Extended Forecast for

3 Miles SSW Grand Lake CO

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 78 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 83 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 50. South southwest wind around 6 mph becoming calm  in the evening.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm.  Partly sunny, with a high near 83. Calm wind becoming west around 6 mph.  Chance of precipitation is 60%.

    High: 83 °F

    Mostly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday 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 50. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers and possibly a thunderstorm after noon.  High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Mostly Sunny
    then T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely after noon.  Partly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then T-storms
    Likely

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 17 mph.
Tonight
Partly cloudy, with a low around 48. Light and variable wind.
Saturday
A 40 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 50. South southwest wind around 6 mph becoming calm in the evening.
Sunday
Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 83. Calm wind becoming west around 6 mph. Chance of precipitation is 60%.
Sunday 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 50. Chance of precipitation is 20%.
Monday
Showers and possibly a thunderstorm after noon. High near 81. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 48.
Tuesday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 80.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 79.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Grand Lake CO
 40.21°N 105.84°W (Elev. 8399 ft)
3:51 am MDT Jul 24, 2026
7am MDT Jul 24, 2026-6pm MDT Jul 30, 2026
 
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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