Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Topeka, Philip Billard Municipal Airport (KTOP)

Lat: 39.07°NLon: 95.63°WElev: 879ft.

Fair

77°F

25°C

Humidity 77%
Wind Speed Calm
Barometer 30.03 in (1016.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Aug 8:53 pm CDT
Extended Forecast for

Denison KS

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming southwest around 5 mph.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 7am and 1pm.  Mostly sunny, with a high near 85. Northeast wind around 5 mph.

    High: 85 °F

    Chance
    Showers

  • Saturday Night

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

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 81. Calm wind becoming east around 5 mph in the morning.

    High: 81 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 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

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 85. Southeast wind 5 to 10 mph.

    High: 85 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. East wind 5 to 10 mph.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 66. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming southwest around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 68. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Mostly sunny, with a high near 85. Northeast wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 81. Calm wind becoming east around 5 mph in the morning.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. East wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. Southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 67. East wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Denison KS
 39.39°N 95.63°W
5:51 pm CDT Aug 20, 2026
9pm CDT Aug 20, 2026-6pm CDT Aug 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database