Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

75°F

24°C

Humidity 12%
Wind Speed W 12 G 17 mph
Barometer 30.06 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 21 Jun 11:15 am MDT
Extended Forecast for

Granby CO

  • Today

    Today: Sunny, with a high near 83. Breezy, with a west southwest wind 13 to 18 mph, with gusts as high as 30 mph.

    High: 83 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 43. Breezy, with a southwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.

    Low: 43 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Breezy, with an east wind 6 to 11 mph becoming west southwest 17 to 22 mph in the morning. Winds could gust as high as 34 mph.

    High: 76 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Breezy, with a west wind 15 to 20 mph becoming light and variable  after midnight. Winds could gust as high as 32 mph.

    Low: 36 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 76 °F

    Mostly Sunny

  • 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 41. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

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

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 83. Breezy, with a west southwest wind 13 to 18 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 43. Breezy, with a southwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Sunday
Sunny, with a high near 76. Breezy, with an east wind 6 to 11 mph becoming west southwest 17 to 22 mph in the morning. Winds could gust as high as 34 mph.
Sunday Night
Mostly clear, with a low around 36. Breezy, with a west wind 15 to 20 mph becoming light and variable after midnight. Winds could gust as high as 32 mph.
Monday
Mostly sunny, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
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 41. Chance of precipitation is 20%.
Tuesday
A 30 percent 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. Mostly cloudy, with a low around 40.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Granby CO
 40.09°N 105.95°W (Elev. 7999 ft)
4:01 am MDT Jun 21, 2025
11am MDT Jun 21, 2025-6pm MDT Jun 27, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database