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

36°F

2°C

Humidity 87%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 21 May 8:35 am MDT
Extended Forecast for

Mount Audubon CO

  • Today

    Today: A 40 percent chance of snow showers, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 43. Breezy, with a west southwest wind 9 to 15 mph, with gusts as high as 25 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance Snow
    Showers and
    Breezy

  • Tonight

    Tonight: Snow showers likely, mainly between 9pm and midnight. Some thunder is also possible. Mostly cloudy, with a low around 23. Breezy, with a west wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Snow Showers
    Likely and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 41. Breezy, with a west wind 8 to 16 mph, with gusts as high as 28 mph.

    High: 41 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 25. Light and variable wind becoming west 8 to 13 mph after midnight. Winds could gust as high as 21 mph. Little or no snow accumulation expected.

    Low: 25 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 40 percent chance of snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 45. Breezy, with a west wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 45 °F

    Breezy.
    Mostly Sunny
    then Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. Breezy.

    Low: 27 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 54. Breezy.

    High: 54 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of snow showers, mixing with rain after 9pm, then gradually ending. Some thunder is also possible. Mostly clear, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Memorial Day

    Memorial Day: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56.

    High: 56 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of snow showers, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 43. Breezy, with a west southwest wind 9 to 15 mph, with gusts as high as 25 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers likely, mainly between 9pm and midnight. Some thunder is also possible. Mostly cloudy, with a low around 23. Breezy, with a west wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Mostly sunny, with a high near 41. Breezy, with a west wind 8 to 16 mph, with gusts as high as 28 mph.
Friday Night
A 30 percent chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 25. Light and variable wind becoming west 8 to 13 mph after midnight. Winds could gust as high as 21 mph. Little or no snow accumulation expected.
Saturday
A 40 percent chance of snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 45. Breezy, with a west wind 14 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 27. Breezy.
Sunday
Sunny, with a high near 54. Breezy.
Sunday Night
A slight chance of snow showers, mixing with rain after 9pm, then gradually ending. Some thunder is also possible. Mostly clear, with a low around 34.
Memorial Day
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56.
Monday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 36.
Tuesday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 55.
Tuesday Night
A chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 34.
Wednesday
A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Audubon CO
 40.09°N 105.6°W (Elev. 10928 ft)
Last Update:
12:46 am MDT May 21, 2026
Forecast Valid:
8am MDT May 21, 2026-6pm MDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation