National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

Fair

21°F

-6°C

Humidity 86%
Wind Speed NE 9 mph
Barometer 30.38 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 1 Mar 2:15 am CST
Extended Forecast for

Monroe IA

  • Overnight

    Overnight: Partly cloudy, with a low around 20. Wind chill values as low as 10. North northeast wind around 9 mph.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 35. Wind chill values as low as 10. East wind around 10 mph.

    High: 35 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27. East southeast wind around 8 mph.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, with a high near 43. East southeast wind 8 to 10 mph.

    High: 43 °F

    Cloudy

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Cloudy, with a low around 35. East southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Cloudy, with a high near 47. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain and thunderstorms. Partly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm before noon, then a chance of rain and thunderstorms after noon. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 20. Wind chill values as low as 10. North northeast wind around 9 mph.
Sunday
Increasing clouds, with a high near 35. Wind chill values as low as 10. East wind around 10 mph.
Sunday Night
Mostly cloudy, with a low around 27. East southeast wind around 8 mph.
Monday
Cloudy, with a high near 43. East southeast wind 8 to 10 mph.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 35. East southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely, mainly before noon. Cloudy, with a high near 47. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 50 percent chance of rain and thunderstorms. Partly cloudy, with a low around 40.
Wednesday
Rain likely and possibly a thunderstorm before noon, then a chance of rain and thunderstorms after noon. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38.
Thursday
Mostly cloudy, with a high near 61.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Friday
Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Saturday
Mostly cloudy, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monroe IA
 41.51°N 93.1°W
Last Update:
12:26 am CST Mar 1, 2026
Forecast Valid:
2am CST Mar 1, 2026-6pm CST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation