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.

Fair

44°F

7°C

Humidity 66%
Wind Speed N 3 mph
Barometer 30.13 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 21 May 9:55 am MDT
Extended Forecast for

Winter Park CO

  • Today

    Today: A chance of rain and snow showers between noon and 3pm, then a chance of rain showers after 3pm. Some thunder is also possible. Partly sunny, with a high near 53. West wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 53 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain showers before 9pm, then snow showers likely, possibly mixed with rain between 9pm and midnight, then a chance of snow showers after midnight. Some thunder is also possible. Mostly cloudy, with a low around 28. West wind 3 to 8 mph. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 52. West northwest wind 5 to 8 mph, with gusts as high as 17 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain and snow showers before midnight, then a chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 30. Light and variable wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Saturday

    Saturday: A slight chance of snow showers before noon, then a chance of rain and snow showers between noon and 3pm, then a chance of rain showers after 3pm. Some thunder is also possible. Partly sunny, with a high near 55. Light west wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 40%.

    High: 55 °F

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Saturday Night

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

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Memorial Day

    Memorial Day: Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 68.

    High: 68 °F

    Sunny then
    Showers
    Likely

Detailed Forecast

Today
A chance of rain and snow showers between noon and 3pm, then a chance of rain showers after 3pm. Some thunder is also possible. Partly sunny, with a high near 53. West wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
A chance of rain showers before 9pm, then snow showers likely, possibly mixed with rain between 9pm and midnight, then a chance of snow showers after midnight. Some thunder is also possible. Mostly cloudy, with a low around 28. West wind 3 to 8 mph. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Mostly sunny, with a high near 52. West northwest wind 5 to 8 mph, with gusts as high as 17 mph.
Friday Night
A chance of rain and snow showers before midnight, then a chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 30. Light and variable wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
A slight chance of snow showers before noon, then a chance of rain and snow showers between noon and 3pm, then a chance of rain showers after 3pm. Some thunder is also possible. Partly sunny, with a high near 55. Light west wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 65.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 37.
Memorial Day
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 68.
Monday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 39.
Tuesday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 64.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 37.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winter Park CO
 39.88°N 105.75°W (Elev. 9396 ft)
Last Update:
12:46 am MDT May 21, 2026
Forecast Valid:
10am MDT May 21, 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