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

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

68°F

20°C

Humidity	49%
Wind Speed	SW 10 mph
Barometer	29.69 in
Dewpoint	48°F (9°C)
Visibility	8.00 mi
Last update	4 Sep 6:15 pm CDT

More Information:

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

Extended Forecast for

Knoxville IA

Tonight
Low: 52 °F
Slight Chance
Showers
Friday
High: 68 °F
Mostly Sunny
Friday Night
Low: 44 °F
Mostly Clear
Saturday
High: 70 °F
Sunny
Saturday Night
Low: 42 °F
Clear
Sunday
High: 70 °F
Sunny
Sunday Night
Low: 45 °F
Mostly Clear
Monday
High: 77 °F
Sunny
Monday Night
Low: 57 °F
Partly Cloudy
then Chance
Showers

Detailed Forecast

Tonight

A slight chance of showers before midnight, then a slight chance of showers after 5am. Areas of smoke before 2am. Partly cloudy, with a low around 52. Southwest wind around 15 mph becoming west northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 20%.

Friday

Mostly sunny, with a high near 68. West northwest wind 11 to 15 mph, with gusts as high as 22 mph.

Friday Night

Mostly clear, with a low around 44. West wind 3 to 8 mph.

Saturday

Sunny, with a high near 70. West northwest wind 5 to 10 mph, with gusts as high as 18 mph.

Saturday Night

Clear, with a low around 42. North northwest wind 5 to 7 mph becoming calm in the evening.

Sunday

Sunny, with a high near 70.

Sunday Night

Mostly clear, with a low around 45.