National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the West; Wildfire Smoke Impacting the North-Central U.S.

In much of California and parts of the West, dangerous heat will remain in place through Saturday, with record-breaking temperatures expected. Heat Advisories and Extreme Heat Warnings have been issued. Smoke from Canadian wildfires will bring air quality issues to parts of the Upper Midwest and Great Lakes into the weekend. Air Quality Alerts have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

49°F

9°C

Humidity 77%
Wind Speed Calm
Barometer 30.46 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 30 May 10:35 pm MDT
Extended Forecast for

4 Miles NNW LONG'S PEAK CO

  • Tonight

    Tonight: Mostly clear, with a low around 39. West wind 5 to 7 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 61. West wind 6 to 8 mph becoming north northeast in the afternoon.

    High: 61 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. Northeast wind 6 to 11 mph becoming west southwest in the evening. Winds could gust as high as 20 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. West wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 67 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46. Breezy, with a west wind 7 to 16 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Monday

    Monday: A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 63. Breezy. Chance of precipitation is 90%.

    High: 63 °F

    Slight Chance
    Showers and
    Breezy then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 39. Chance of precipitation is 100%.

    Low: 39 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after noon. Cloudy, with a high near 44.

    High: 44 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain likely, possibly mixed with snow showers, mainly before midnight. Some thunder is also possible. Cloudy, with a low around 35.

    Low: 35 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 39. West wind 5 to 7 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 61. West wind 6 to 8 mph becoming north northeast in the afternoon.
Saturday Night
Mostly clear, with a low around 41. Northeast wind 6 to 11 mph becoming west southwest in the evening. Winds could gust as high as 20 mph.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. West wind 7 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 46. Breezy, with a west wind 7 to 16 mph, with gusts as high as 23 mph.
Monday
A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 63. Breezy. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm. Low around 39. Chance of precipitation is 100%.
Tuesday
Showers, with thunderstorms also possible after noon. Cloudy, with a high near 44.
Tuesday Night
Rain likely, possibly mixed with snow showers, mainly before midnight. Some thunder is also possible. Cloudy, with a low around 35.
Wednesday
Rain, possibly mixed with snow showers. Some thunder is also possible. Mostly cloudy, with a high near 46.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 34.
Thursday
A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 53.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 38. Breezy.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 57. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW LONG'S PEAK CO
 40.31°N 105.65°W (Elev. 10000 ft)
Last Update:
2:33 pm MDT May 30, 2025
Forecast Valid:
10pm MDT May 30, 2025-6pm MDT Jun 6, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation