National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 30.01 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 4 Jul 2:55 pm CDT
Extended Forecast for

2 Miles N Mystic IA

  • Independence Day

    Independence Day: A 20 percent chance of showers and thunderstorms before 4pm. Partly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. North wind 3 to 6 mph.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • 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: Sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °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 91.

    High: 91 °F

    Sunny

Detailed Forecast

Independence Day
A 20 percent chance of showers and thunderstorms before 4pm. Partly sunny, with a high near 86. Calm wind.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 67. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. North wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around 65. North northeast wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 91.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Friday
Partly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Mystic IA
 40.81°N 92.94°W
Last Update:
2:57 pm CDT Jul 4, 2026
Forecast Valid:
3pm CDT Jul 4, 2026-6pm CDT Jul 10, 2026
 
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Additional Resources

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation