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

77°F

25°C

Humidity 69%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 66°F (19°C)
Visibility 4.00 mi
Heat Index79°F (26°C)
Last update 19 Aug 4:55 pm CDT
Extended Forecast for

3 Miles NE Gibson IA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 82. Northeast wind around 8 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 60. North northeast wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly between 3am and 5am.  Partly cloudy, with a low around 64. South southeast wind 3 to 6 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms before 7am.  Sunny, with a high near 84. Southwest wind 5 to 8 mph.

    High: 84 °F

    Slight Chance
    T-storms then
    Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms.  Mostly clear, with a low around 63. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Northeast wind around 8 mph.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 60. North northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 81. Light and variable wind.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly between 3am and 5am. Partly cloudy, with a low around 64. South southeast wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 10 percent chance of showers and thunderstorms before 7am. Sunny, with a high near 84. Southwest wind 5 to 8 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 63. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Gibson IA
 41.51°N 92.35°W
2:57 pm CDT Aug 19, 2026
5pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database