Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

57°F

14°C

Humidity 47%
Wind Speed Calm
Barometer 30.38 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Jun 9:55 am MDT
Extended Forecast for

Granby CO

  • Today

    Today: Sunny, with a high near 75. Light west wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. West wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 15 mph.

    Low: 38 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. West southwest wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Windy, with a light south southwest wind becoming west southwest 21 to 26 mph in the morning. Winds could gust as high as 38 mph.

    High: 84 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Breezy.

    Low: 45 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Windy.

    High: 83 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43. Breezy.

    Low: 43 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Breezy.

    High: 79 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 75. Light west wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 38. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Juneteenth
Sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
Mostly clear, with a low around 44. West southwest wind 5 to 9 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 84. Windy, with a light south southwest wind becoming west southwest 21 to 26 mph in the morning. Winds could gust as high as 38 mph.
Friday Night
Mostly clear, with a low around 45. Breezy.
Saturday
Sunny, with a high near 83. Windy.
Saturday Night
Mostly clear, with a low around 43. Breezy.
Sunday
Sunny, with a high near 79. Breezy.
Sunday Night
Mostly clear, with a low around 41. Breezy.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 40.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Granby CO
 40.09°N 105.92°W (Elev. 8159 ft)
4:01 am MDT Jun 18, 2025
10am MDT Jun 18, 2025-6pm MDT Jun 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database