Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Overcast

49°F

9°C

Humidity 83%
Wind Speed NE 7 mph
Barometer 30.08 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 26 May 9:35 pm MDT
Extended Forecast for

5 Miles NNW Devils Thumb Park CO

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before midnight.  Mostly cloudy, with a low around 37. South southeast wind 5 to 8 mph becoming calm  after midnight.

    Low: 37 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after noon.  High near 58. Calm wind becoming southeast 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 80%.

    High: 58 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 9pm.  Cloudy, then gradually becoming partly cloudy, with a low around 38. East southeast wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 18 mph.

    Low: 38 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 62. Calm wind becoming east southeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    High: 62 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 39. East southeast wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 59.

    High: 59 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 37. South southeast wind 5 to 8 mph becoming calm after midnight.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 58. Calm wind becoming southeast 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 38. East southeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Thursday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 62. Calm wind becoming east southeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 39. East southeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 63. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 38.
Saturday
A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 59.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 36.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 38.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 63.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 38.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Devils Thumb Park CO
 40.04°N 105.77°W (Elev. 9757 ft)
12:46 pm MDT May 26, 2026
9pm MDT May 26, 2026-6pm MDT Jun 2, 2026
 
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Additional Resources

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National Digital Forecast Database