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

Shawnee, Shawnee Municipal Airport (KSNL)

Lat: 35.36°NLon: 96.94°WElev: 1073ft.

Overcast

62°F

17°C

Humidity 84%
Wind Speed NE 9 mph
Barometer 30.11 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 20 May 8:55 pm CDT
Extended Forecast for

Seminole Municipal Airport OK

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 56. Northeast wind around 6 mph.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 70. East northeast wind around 7 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 70 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 59. East wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    T-storms then
    Showers

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 3 to 6 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 60. South southeast wind 3 to 5 mph. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 7pm, then showers and thunderstorms likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    T-storms
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 56. Northeast wind around 6 mph.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 70. East northeast wind around 7 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 59. East wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 3 to 6 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 60. South southeast wind 3 to 5 mph. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 7pm, then showers and thunderstorms likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 79.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Memorial Day
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 80.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seminole Municipal Airport OK
 35.28°N 96.69°W
Last Update:
8:22 pm CDT May 20, 2026
Forecast Valid:
9pm CDT May 20, 2026-6pm CDT 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