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

Clinton, Clinton-Sherman Airport (KCSM)

Lat: 35.36°NLon: 99.2°WElev: 1919ft.

Overcast

58°F

14°C

Humidity 90%
Wind Speed E 10 mph
Barometer 30.10 in (1018.3 mb)
Dewpoint 55°F (13°C)
Visibility 9.00 mi
Last update 21 May 1:53 am CDT
Extended Forecast for

2 Miles WSW Cheyenne OK

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms.  Cloudy, with a low around 54. East wind around 6 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am.  Cloudy, with a high near 70. Southeast wind 6 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. Southeast wind 5 to 9 mph becoming light east southeast  after midnight.  Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 80 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 55. South southeast wind 5 to 8 mph becoming calm  in the evening.  Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 54. East wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Cloudy, with a high near 70. Southeast wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Southeast wind 5 to 9 mph becoming light east southeast after midnight. Chance of precipitation is 30%.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Showers and possibly a thunderstorm. Low around 55. South southeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 80%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 58.
Memorial Day
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Cheyenne OK
 35.61°N 99.71°W
1:26 am CDT May 21, 2026
2am CDT May 21, 2026-6pm CDT May 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database