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.

Mostly Cloudy

44°F

7°C

Humidity 90%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 27 May 2:15 am MDT
Extended Forecast for

4 Miles N Devils Thumb Park CO

  • Overnight

    Overnight: A 20 percent chance of showers.  Mostly cloudy, with a low around 38. Southeast wind 3 to 5 mph.

    Low: 38 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after noon.  High near 55. Light southeast wind increasing to 5 to 9 mph in the morning.  Chance of precipitation is 80%.

    High: 55 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday 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. Southeast wind 5 to 9 mph becoming light east southeast  after midnight. Winds could gust as high as 17 mph.  Chance of precipitation is 50%.

    Low: 39 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after noon.  Mostly cloudy, with a high near 64. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.  Chance of precipitation is 60%.

    High: 64 °F

    Chance
    Showers 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 38. 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: 38 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Partly cloudy, with a low around 38. Chance of precipitation is 40%.

    Low: 38 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 38. Southeast wind 3 to 5 mph.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 55. Light southeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 80%.
Wednesday 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. Southeast wind 5 to 9 mph becoming light east southeast after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 50%.
Thursday
Showers likely and possibly a thunderstorm, mainly after noon. Mostly cloudy, with a high near 64. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 16 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 38. 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 65. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 38. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 36.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63.
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 66.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 39.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Devils Thumb Park CO
 40.01°N 105.77°W (Elev. 9711 ft)
12:46 am MDT May 27, 2026
2am MDT May 27, 2026-6pm MDT Jun 2, 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