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

Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

Fair

48°F

9°C

Humidity	71%
Wind Speed	E 6 mph
Barometer	30.36 in
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Wind Chill	45°F (7°C)
Last update	9 Oct 12:15 am CDT

More Information:

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

Extended Forecast for

Monroe IA

Overnight
Low: 43 °F
Clear
Thursday
High: 72 °F
Sunny
Thursday Night
Low: 55 °F
Partly Cloudy
then Chance
Showers
Friday
High: 78 °F
Mostly Sunny
Friday Night
Low: 46 °F
Mostly Clear
Saturday
High: 70 °F
Mostly Sunny
Saturday Night
Low: 54 °F
Mostly Cloudy
Sunday
High: 77 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Sunday Night
Low: 59 °F
Mostly Cloudy

Detailed Forecast

Overnight

Clear, with a low around 43. East southeast wind around 6 mph.

Thursday

Sunny, with a high near 72. South southeast wind 7 to 11 mph, with gusts as high as 18 mph.

Thursday Night

A 30 percent chance of showers after 1am. Increasing clouds, with a low around 55. South southeast wind around 9 mph. New precipitation amounts of less than a tenth of an inch possible.

Friday

Mostly sunny, with a high near 78. South wind around 9 mph becoming west northwest in the afternoon.

Friday Night

Mostly clear, with a low around 46. North northwest wind around 6 mph becoming northeast after midnight.

Saturday

Mostly sunny, with a high near 70.

Saturday Night

Mostly cloudy, with a low around 54.

Sunday

Mostly sunny, with a high near 77. Breezy.

Sunday Night

Mostly cloudy, with a low around 59.