Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. 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

79°F

26°C

Humidity 84%
Wind Speed W 3 mph
Barometer 29.94 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 4 Jul 8:35 pm CDT
Detailed forecast for

Mahaska County

Tonight
A slight chance of thunderstorms early. Mostly cloudy with a slight chance of showers. Humid with lows in the mid 60s. Northwest winds around 5 mph, becoming north. Chance of rain 20 percent.
Sunday
Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Humid with highs in the mid 80s. North winds 5 to 10 mph. Chance of rain 30 percent.
Sunday Night
Partly cloudy. Humid with lows in the mid 60s. Northeast winds 5 to 10 mph.
Monday
Sunny with highs in the mid 80s. East winds around 5 mph.
Monday Night
Mostly clear. Humid with lows in the mid 60s. East winds around 5 mph.
Tuesday
Sunny. Highs in the upper 80s.
Tuesday Night
Mostly clear. Lows in the mid 60s.
Wednesday
Sunny. Highs around 90.
Wednesday Night
Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Chance of rain 50 percent.
Thursday
Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.
Thursday Night
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50 percent.
Friday
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20 percent.
Friday Night
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 20 percent.
Saturday
Mostly sunny. Highs in the upper 80s.



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258 PM CDT Sat Jul 4 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database