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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

Oskaloosa, Oskaloosa Municipal Airport (KOOA)

Lat: 41.23°NLon: 92.49°WElev: 840ft.

Fair

70°F

21°C

Humidity 90%
Wind Speed SE 3 mph
Barometer 30.02 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 14 Aug 11:15 pm CDT
Extended Forecast for

6 Miles S Barnes City IA

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 68. South southeast wind around 6 mph.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. Heat index values as high as 101. South wind 5 to 9 mph.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • 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 93. Heat index values as high as 105. South wind 6 to 10 mph.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. South southwest wind 3 to 6 mph.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

    High: 90 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 68. South southeast wind around 6 mph.
Friday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. Heat index values as high as 101. South wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 72. South wind around 6 mph.
Saturday
Sunny, with a high near 93. Heat index values as high as 105. South wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 72. South southwest wind 3 to 6 mph.
Sunday
Sunny, with a high near 93.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Barnes City IA
 41.42°N 92.49°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