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

Hazardous Weather Conditions

Current conditions at

Centerville Municipal Airport (KTVK)

Lat: 40.68°NLon: 92.9°WElev: 1030ft.

Fog

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 68°F (20°C)
Visibility 0.25 mi
Last update 25 Jul 1:55 am CDT
Extended Forecast for

3 Miles SW Seymour IA

Extreme Heat Watch July 26, 12:00pm until July 27, 10:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Overnight

    Overnight: A slight chance of drizzle. Patchy fog. Otherwise, mostly cloudy, with a low around 66. South wind 3 to 6 mph.

    Low: 66 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 101. Light south wind.

    High: 90 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Heat index values as high as 109. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Monday Night

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

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of drizzle. Patchy fog. Otherwise, mostly cloudy, with a low around 66. South wind 3 to 6 mph.
Saturday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 101. Light south wind.
Saturday Night
Partly cloudy, with a low around 72. Calm wind.
Sunday
Mostly sunny, with a high near 95. Heat index values as high as 109. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 76. South southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Seymour IA
 40.64°N 93.15°W
Last Update:
1:56 am CDT Jul 25, 2026
Forecast Valid:
2am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation