Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Topeka, Philip Billard Municipal Airport (KTOP)

Lat: 39.07°NLon: 95.63°WElev: 879ft.

Fog

66°F

19°C

Humidity 100%
Wind Speed N 5 mph
Barometer 30.01 in (1015.3 mb)
Dewpoint 66°F (19°C)
Visibility 0.50 mi
Last update 20 Aug 5:53 am CDT
Extended Forecast for

Circleville KS

Dense Fog Advisory August 20, 06:32am until August 20, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory August 20, 06:32am until August 20, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Today

    High: 84 °F

    Dense Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 66. Calm wind.

    Low: 66 °F

    Increasing
    Clouds

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 8am.  Partly sunny, then gradually becoming sunny, with a high near 87. Calm wind becoming southwest around 5 mph.

    High: 87 °F

    Slight Chance
    T-storms then
    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 84. Calm wind becoming east around 5 mph in the morning.

    High: 84 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm.  Partly sunny, with a high near 81. Calm wind becoming east around 5 mph in the morning.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 65. East wind around 5 mph.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Today
Widespread dense fog, mainly before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 84. Calm wind.
Tonight
Increasing clouds, with a low around 66. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms before 8am. Partly sunny, then gradually becoming sunny, with a high near 87. Calm wind becoming southwest around 5 mph.
Friday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 84. Calm wind becoming east around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 81. Calm wind becoming east around 5 mph in the morning.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. East wind around 5 mph.
Monday
Partly sunny, with a high near 85. Southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 66.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Circleville KS
 39.5°N 95.86°W
6:01 am CDT Aug 20, 2026
6am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database