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° N Lon: 92.49° W Elev: 840 ft.

Fair

83°F

28°C

Humidity 73%
Wind Speed NE 5 mph
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 4.00 mi
Heat Index89°F (32°C)
Last update 19 Aug 12:15 pm CDT
Detailed forecast for

Mahaska County

This Afternoon
Mostly cloudy with a chance of thunderstorms with a slight chance of showers. Near steady temperature in the lower 80s. Northeast winds around 5 mph. Chance of rain 40 percent.
Tonight
Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the lower 60s. Northeast winds around 5 mph. Chance of rain 20 percent.
Thursday
Sunny with highs in the lower 80s. East winds around 5 mph, becoming south in the afternoon.
Thursday Night
Mostly clear. A chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the mid 60s. South winds around 5 mph. Chance of rain 30 percent.
Friday
Sunny with a slight chance of showers and thunderstorms. Humid with highs in the mid 80s. West winds 5 to 10 mph. Chance of rain 20 percent.
Friday Night
Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 40 percent.
Saturday
Sunny. Highs in the lower 80s.
Saturday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
Sunday
Mostly sunny. Highs in the upper 70s.
Sunday Night
Mostly cloudy in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20 percent.
Monday
Mostly sunny. Highs in the lower 80s.
Monday Night
Partly cloudy. Lows in the mid 60s.
Tuesday
Mostly sunny. Highs in the mid 80s.



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1213 PM CDT Wed Aug 19 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database