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

Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Centerville Municipal Airport (KTVK)

Lat: 40.68°NLon: 92.9°WElev: 1030ft.

66°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 14 Aug 11:35 pm CDT
Extended Forecast for

2 Miles WSW Unionville IA

Heat Advisory August 15, 01:00pm until August 15, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 67. South southeast wind around 6 mph.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 91. Heat index values as high as 101. South wind 6 to 9 mph.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. South wind around 6 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 103. South southwest wind 6 to 10 mph.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. South wind around 6 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 67. South southeast wind around 6 mph.
Friday
Mostly sunny, with a high near 91. Heat index values as high as 101. South wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 72. South wind around 6 mph.
Saturday
Sunny, with a high near 94. Heat index values as high as 103. South southwest wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 73. South wind around 6 mph.
Sunday
Sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 73.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Unionville IA
 40.81°N 92.71°W
Last Update:
10:34 pm CDT Aug 14, 2025
Forecast Valid:
11pm CDT Aug 14, 2025-6pm CDT Aug 21, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation