Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

55°F

13°C

Humidity 74%
Wind Speed E 3 mph
Barometer 30.51 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 25 Jul 3:15 am MDT
Extended Forecast for

4 Miles NE Granby CO

  • Overnight

    Overnight: Mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 86. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 50. South southwest wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 86. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 50. South southeast wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Showers and possibly a thunderstorm after noon.  High near 84. Chance of precipitation is 90%.

    High: 84 °F

    Partly Sunny
    then T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 48. Chance of precipitation is 50%.

    Low: 48 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely after noon.  Partly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 49. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. South southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 86. Calm wind becoming east 5 to 8 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 50. South southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
Showers and possibly a thunderstorm after noon. High near 84. Chance of precipitation is 90%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Tuesday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 83.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48.
Wednesday
Showers and possibly a thunderstorm after noon. Partly sunny, with a high near 82.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 83.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Granby CO
 40.14°N 105.9°W (Elev. 8241 ft)
12:46 am MDT Jul 25, 2026
3am MDT Jul 25, 2026-6pm MDT Jul 31, 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