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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Partly Cloudy

39°F

4°C

Humidity 78%
Wind Speed NE 3 mph
Barometer 30.22 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 20 May 9:35 pm MDT
Extended Forecast for

Fraser CO

  • Tonight

    Tonight: Mostly clear, with a low around 26. Light south southeast wind.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 56. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 56 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Rain and snow showers likely, becoming all snow after midnight. Some thunder is also possible. Mostly cloudy, with a low around 29. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Friday

    Friday: A chance of snow showers before 3pm, then a slight chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 54. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 54 °F

    Chance Snow
    Showers then
    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain showers before midnight, then a slight chance of rain and snow showers between midnight and 3am, then a slight chance of snow showers after 3am. Mostly cloudy, with a low around 30. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Light south southeast wind.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 56. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Thursday Night
Rain and snow showers likely, becoming all snow after midnight. Some thunder is also possible. Mostly cloudy, with a low around 29. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow showers before 3pm, then a slight chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 54. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday Night
A slight chance of rain showers before midnight, then a slight chance of rain and snow showers between midnight and 3am, then a slight chance of snow showers after 3am. Mostly cloudy, with a low around 30. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 37.
Memorial Day
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 38.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 67.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 37.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Fraser CO
 39.92°N 105.79°W (Elev. 8796 ft)
Last Update:
12:46 pm MDT May 20, 2026
Forecast Valid:
10pm MDT May 20, 2026-6pm MDT May 27, 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