Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Oskaloosa, Oskaloosa Municipal Airport (KOOA)

Lat: 41.23°NLon: 92.49°WElev: 840ft.

Fair

78°F

26°C

Humidity 84%
Wind Speed E 3 mph
Barometer 29.94 in
Dewpoint 73°F (23°C)
Visibility 4.00 mi
Heat Index80°F (27°C)
Last update 19 Aug 9:35 am CDT
Extended Forecast for

Oskaloosa IA

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm.  Partly sunny, with a high near 81. East northeast wind 3 to 5 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 62. Light northeast wind.

    Low: 62 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 65. South southwest wind 3 to 5 mph.

    Low: 65 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm.  Sunny, with a high near 85. Southwest wind 5 to 8 mph becoming west northwest in the afternoon.  Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 81. East northeast wind 3 to 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 62. Light northeast wind.
Thursday
Sunny, with a high near 83. Light and variable wind.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 65. South southwest wind 3 to 5 mph.
Friday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Sunny, with a high near 85. Southwest wind 5 to 8 mph becoming west northwest in the afternoon. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Oskaloosa IA
 41.29°N 92.64°W
6:51 am CDT Aug 19, 2026
9am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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