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Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Centerville Municipal Airport (KTVK)

Lat: 40.68°NLon: 92.9°WElev: 1030ft.

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 13 Aug 2:15 am CDT
Extended Forecast for

3 Miles SW Seymour IA

  • Overnight

    Overnight: Patchy fog before 4am. Otherwise, mostly clear, with a low around 62. Light north wind.

    Low: 62 °F

    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 81. North northeast wind 3 to 6 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming south southeast 5 to 7 mph in the morning.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Southeast wind around 6 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog before 4am. Otherwise, mostly clear, with a low around 62. Light north wind.
Wednesday
Sunny, with a high near 81. North northeast wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 60. Calm wind.
Thursday
Sunny, with a high near 83. Calm wind becoming south southeast 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 64. Southeast wind around 6 mph.
Friday
Mostly sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 70.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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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:
10:53 pm CDT Aug 12, 2025
Forecast Valid:
2am CDT Aug 13, 2025-6pm CDT Aug 19, 2025
 
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