National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Norman / Max Westheimer (KOUN)

Lat: 35.24°NLon: 97.47°WElev: 1182ft.

Fair

80°F

27°C

Humidity 77%
Wind Speed SE 7 mph
Barometer 29.60 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 Jun 12:35 am CDT
Extended Forecast for

Norman OK

  • Overnight

    Overnight: Mostly clear, with a low around 76. South southeast wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Cloudy during the morning, then mostly sunny during the afternoon, with a high near 89. East southeast wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 89 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 68. Northeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Showers

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. Southeast wind 8 to 10 mph. Chance of precipitation is 50%.

    High: 86 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. Southeast wind 7 to 10 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 90.

    High: 90 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 70%.

    Low: 74 °F

    T-storms
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 76. South southeast wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Cloudy during the morning, then mostly sunny during the afternoon, with a high near 89. East southeast wind 8 to 14 mph, with gusts as high as 21 mph.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 68. Northeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. Southeast wind 8 to 10 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. Southeast wind 7 to 10 mph. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 75.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96.
Sunday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 70%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Norman OK
 35.23°N 97.46°W
Last Update:
9:42 pm CDT Jun 17, 2026
Forecast Valid:
12am CDT Jun 18, 2026-6pm CDT Jun 24, 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