Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Centerville Municipal Airport (KTVK)

Lat: 40.68°NLon: 92.9°WElev: 1030ft.

Fair

86°F

30°C

Humidity 52%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 4 Jul 1:35 pm CDT
Extended Forecast for

6 Miles SSW Seymour IA

  • Independence Day

    Independence Day: A slight chance of showers and thunderstorms between 3pm and 4pm.  Partly sunny, with a high near 84. West northwest wind around 6 mph.  Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms, mainly between midnight and 3am.  Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 84. North wind 3 to 7 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. Calm wind becoming east around 6 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Independence Day
A slight chance of showers and thunderstorms between 3pm and 4pm. Partly sunny, with a high near 84. West northwest wind around 6 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers and thunderstorms, mainly between midnight and 3am. Mostly cloudy, with a low around 66. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 84. North wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 65. North northeast wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 84. Calm wind becoming east around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 89.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Friday
Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Seymour IA
 40.62°N 93.18°W
1:26 pm CDT Jul 4, 2026
1pm CDT Jul 4, 2026-6pm CDT Jul 10, 2026
 
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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