Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Current conditions at

Shawnee, Shawnee Municipal Airport (KSNL)

Lat: 35.36°NLon: 96.94°WElev: 1073ft.

Fair

79°F

26°C

Humidity 61%
Wind Speed S 8 mph
Barometer 29.85 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 28 Jul 4:50 am CDT
Extended Forecast for

Johnson OK

Heat Advisory July 28, 11:00am until July 28, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Mostly sunny and hot, with a high near 102. Heat index values as high as 105. Southwest wind 7 to 9 mph.

    High: 102 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 79. South wind 7 to 9 mph.

    Low: 79 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny and hot, with a high near 101. Heat index values as high as 105. South southwest wind 6 to 9 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 79. South southeast wind 7 to 10 mph.

    Low: 79 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 100. South wind 7 to 11 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 78.

    Low: 78 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Mostly sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Mostly sunny and hot, with a high near 102. Heat index values as high as 105. Southwest wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 79. South wind 7 to 9 mph.
Wednesday
Partly sunny, then gradually becoming sunny and hot, with a high near 101. Heat index values as high as 105. South southwest wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 79. South southeast wind 7 to 10 mph.
Thursday
Mostly sunny and hot, with a high near 100. South wind 7 to 11 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78.
Friday
Mostly sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 91.
Sunday Night
Clear, with a low around 69.
Monday
Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Johnson OK
 35.39°N 96.85°W
3:17 am CDT Jul 28, 2026
5am CDT Jul 28, 2026-6pm CDT Aug 3, 2026
 
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Additional Resources

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