Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Mostly Cloudy

73°F

23°C

Humidity 24%
Wind Speed W 7 G 18 mph
Barometer 30.37 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 18 Jul 5:35 pm MDT
Extended Forecast for

2 Miles SSE Grand Lake CO

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a steady temperature around 71. Southwest wind around 8 mph.

    High: 71 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm.  Partly cloudy, with a low around 46. South southeast wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 75. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46. West wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 77. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 18 mph.

    High: 77 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 71. Southwest wind around 8 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Partly cloudy, with a low around 46. South southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 75. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Saturday Night
Mostly clear, with a low around 46. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 47.
Monday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 75.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 46.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Grand Lake CO
 40.23°N 105.82°W (Elev. 9199 ft)
2:02 pm MDT Jul 18, 2025
5pm MDT Jul 18, 2025-6pm MDT Jul 25, 2025
 
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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