National Weather Service

News Headlines

National Weather Service Flood Inundation Mapping Available for Iowa in September 2025

Current conditions at

Oskaloosa, Oskaloosa Municipal Airport (KOOA)

Lat: 41.23° N Lon: 92.49° W Elev: 840 ft.

Fair

91°F

33°C

Humidity	32%
Wind Speed	SW 10 G 17 mph
Barometer	30.11 in
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	3 Oct 3:55 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Mahaska County

Tonight

Clear. Lows in the mid 60s. South winds 5 to 10 mph.

Saturday

Sunny. Highs in the upper 80s. South winds 15 to 20 mph with gusts up to 30 mph.

Saturday Night

Clear. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph.

Sunday

Sunny. Highs in the upper 80s. South winds 15 to 20 mph with gusts up to 30 mph.

Sunday Night

Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Lows around 60. South winds 10 to 15 mph, becoming southwest 5 to 10 mph after midnight. Chance of rain 70 percent.

Monday

Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Cooler with highs around 70. Chance of rain 70 percent.

Monday Night

A slight chance of thunderstorms. Showers likely. Lows in the lower 50s. Chance of rain 70 percent.

Tuesday

Mostly sunny. A slight chance of showers in the morning. Highs in the upper 60s. Chance of rain 20 percent.

Tuesday Night

Mostly clear. Lows in the mid 40s.

Wednesday

Sunny. Highs around 70.

Wednesday Night

Mostly clear. A slight chance of showers after midnight. Lows in the mid 40s. Chance of rain 20 percent.

Thursday

Sunny. Highs in the lower 70s.