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

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

A Few Clouds

79°F

26°C

Humidity	42%
Wind Speed	Vrbl 5 mph
Barometer	30.05 in
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	2 Sep 3:15 pm CDT

More Information:

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

Extended Forecast for

Monroe IA

This Afternoon
High: 80 °F
Sunny
Tonight
Low: 59 °F
Mostly Clear
Wednesday
High: 72 °F
Showers
Likely
Wednesday Night
Low: 45 °F
Partly Cloudy
Thursday
High: 72 °F
Sunny
Thursday Night
Low: 50 °F
Chance
Showers
Friday
High: 67 °F
Sunny
Friday Night
Low: 45 °F
Mostly Clear
Saturday
High: 71 °F
Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 80. West northwest wind 3 to 5 mph.

Tonight

Mostly clear, with a low around 59. Calm wind becoming west southwest around 6 mph after midnight.

Wednesday

Showers and thunderstorms likely before 4pm, then a chance of showers. Mostly cloudy, with a high near 72. West wind 6 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Partly cloudy, with a low around 45. North northwest wind 6 to 13 mph, with gusts as high as 20 mph.

Thursday

Sunny, with a high near 72. West northwest wind 6 to 10 mph.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 50. Chance of precipitation is 30%.

Friday

Sunny, with a high near 67.

Friday Night

Mostly clear, with a low around 45.

Saturday

Sunny, with a high near 71.