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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Partly Cloudy

42°F

6°C

Humidity 98%
Wind Speed Calm
Barometer 30.37 in
Dewpoint 42°F (6°C)
Visibility 7.00 mi
Last update 19 Sep 2:55 am MDT
Extended Forecast for

Fraser CO

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 43. Light and variable wind.

    Low: 43 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 64. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 50%.

    High: 64 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 35. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 35 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 61 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 43. Light and variable wind.
Saturday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 64. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 35. West northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
Mostly clear, with a low around 33. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 39.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 68.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 40.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fraser CO
 39.92°N 105.79°W (Elev. 8796 ft)
Last Update:
12:46 am MDT Sep 19, 2026
Forecast Valid:
3am MDT Sep 19, 2026-6pm MDT Sep 25, 2026
 
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