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 >

Hazardous Weather Conditions

Current conditions at

Cottonwood Pass (K7BM)

Lat: 38.78°NLon: 106.22°WElev: 9826ft.

Partly Cloudy

34°F

1°C

Humidity 81%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 21 May 3:35 am MDT
Extended Forecast for

9 Miles SW Granite CO

  • Overnight

    Overnight: Mostly clear, with a low around 18. West southwest wind around 10 mph.

    Low: 18 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 38. Breezy, with a west southwest wind 10 to 15 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.

    High: 38 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. Breezy, with a west wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.

    Low: 18 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 40. Breezy, with a west wind 15 to 20 mph.

    High: 40 °F

    Sunny then
    Increasing
    Clouds and
    Breezy

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly after midnight. Some thunder is also possible.  Mostly cloudy, with a low around 23. Southwest wind 10 to 15 mph.

    Low: 23 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 20 percent chance of snow showers before noon.  Mostly sunny, with a high near 40. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 40 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. Blustery, with a west wind 15 to 20 mph decreasing to 10 to 15 mph in the evening.

    Low: 24 °F

    Mostly Clear
    and Blustery
    then Clear

  • Sunday

    Sunday: Sunny, with a high near 48. West wind 10 to 15 mph.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow showers before midnight. Some thunder is also possible.  Partly cloudy, with a low around 29. Southwest wind 5 to 10 mph.

    Low: 29 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 18. West southwest wind around 10 mph.
Thursday
Mostly sunny, with a high near 38. Breezy, with a west southwest wind 10 to 15 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.
Thursday Night
Partly cloudy, with a low around 18. Breezy, with a west wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.
Friday
Increasing clouds, with a high near 40. Breezy, with a west wind 15 to 20 mph.
Friday Night
A 30 percent chance of snow showers, mainly after midnight. Some thunder is also possible. Mostly cloudy, with a low around 23. Southwest wind 10 to 15 mph.
Saturday
A 20 percent chance of snow showers before noon. Mostly sunny, with a high near 40. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 24. Blustery, with a west wind 15 to 20 mph decreasing to 10 to 15 mph in the evening.
Sunday
Sunny, with a high near 48. West wind 10 to 15 mph.
Sunday Night
A 20 percent chance of snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 29. Southwest wind 5 to 10 mph.
Memorial Day
A chance of snow showers after noon, mixing with rain after 3pm. Some thunder is also possible. Sunny, with a high near 53. Southwest wind 5 to 15 mph. Chance of precipitation is 40%.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. South southwest wind around 10 mph.
Tuesday
Rain and snow showers likely. Some thunder is also possible. Partly sunny, with a high near 48. South southwest wind 10 to 15 mph.
Tuesday Night
A chance of rain and snow showers. Partly cloudy, with a low around 27. Southwest wind 10 to 15 mph.
Wednesday
Sunny, with a high near 53. Breezy, with a south southwest wind 10 to 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Granite CO
 38.96°N 106.37°W (Elev. 12999 ft)
12:31 am MDT May 21, 2026
3am MDT May 21, 2026-6pm MDT May 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database