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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Shawnee, Shawnee Municipal Airport (KSNL)

Lat: 35.36°NLon: 96.94°WElev: 1073ft.

Fair

84°F

29°C

Humidity 41%
Wind Speed SW 3 mph
Barometer 29.97 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 20 Aug 8:15 am CDT
Extended Forecast for

Macomb OK

Heat Advisory August 20, 01:00pm until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 103. East northeast wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 103 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 7pm and 10pm. Mostly cloudy, then gradually becoming clear, with a low around 75. East southeast wind 3 to 6 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 104. Heat index values as high as 107. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 104 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. East wind around 6 mph becoming south in the evening.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 103. Southwest wind around 6 mph.

    High: 103 °F

    Hot

  • Saturday Night

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

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 103.

    High: 103 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 103. East northeast wind 3 to 5 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms between 7pm and 10pm. Mostly cloudy, then gradually becoming clear, with a low around 75. East southeast wind 3 to 6 mph. Chance of precipitation is 10%.
Friday
Sunny and hot, with a high near 104. Heat index values as high as 107. Calm wind becoming south southeast around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. East wind around 6 mph becoming south in the evening.
Saturday
Mostly sunny and hot, with a high near 103. Southwest wind around 6 mph.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Mostly sunny and hot, with a high near 101.
Sunday Night
Mostly clear, with a low around 77.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 103.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77.
Tuesday
Mostly sunny and hot, with a high near 102.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Mostly sunny and hot, with a high near 100.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Macomb OK
 35.15°N 97.01°W
Last Update:
1:26 am CDT Aug 20, 2026
Forecast Valid:
8am CDT Aug 20, 2026-6pm CDT Aug 26, 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