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

Norman / Max Westheimer (KOUN)

Lat: 35.24°NLon: 97.47°WElev: 1182ft.

Mostly Cloudy

63°F

17°C

Humidity 94%
Wind Speed E 7 mph
Barometer 30.04 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 21 May 11:45 am CDT
Extended Forecast for

Moore OK

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 68. East wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 1am. Cloudy, with a low around 58. East wind 3 to 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    T-storms

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.

    High: 78 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 60. East southeast wind 3 to 5 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Light and variable wind becoming southeast around 6 mph in the afternoon.

    High: 78 °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 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 68. East wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 1am. Cloudy, with a low around 58. East wind 3 to 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 60. East southeast wind 3 to 5 mph. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Light and variable wind becoming southeast around 6 mph in the afternoon.
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 61. Chance of precipitation is 60%.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.
Sunday Night
Mostly cloudy, with a low around 61.
Memorial Day
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Moore OK
 35.34°N 97.49°W
Last Update:
11:42 am CDT May 21, 2026
Forecast Valid:
12pm CDT May 21, 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