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

43°F

6°C

Humidity 49%
Wind Speed NW 18 G 25 mph
Barometer 30.20 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 11 Mar 5:55 pm CDT
Extended Forecast for

Monroe IA

  • Tonight

    Tonight: Mostly clear, with a low around 25. West wind 7 to 15 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 57. Windy, with a south southwest wind 6 to 11 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 57 °F

    Sunny then
    Mostly Cloudy
    and Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 35. Windy, with a south southwest wind 23 to 25 mph becoming west after midnight. Winds could gust as high as 41 mph.

    Low: 35 °F

    Chance Rain
    and Windy

  • Friday

    Friday: Partly sunny, with a high near 47. Windy, with a west northwest wind 15 to 23 mph, with gusts as high as 38 mph.

    High: 47 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 31. North northwest wind 6 to 8 mph becoming east after midnight.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 1pm. Cloudy, with a high near 48.

    High: 48 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 1am, then rain likely. Some thunder is also possible. Cloudy, with a low around 34. Breezy. Chance of precipitation is 70%.

    Low: 34 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely and
    Breezy

  • Sunday

    Sunday: Rain and snow. High near 42. Windy. Chance of precipitation is 80%.

    High: 42 °F

    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11. Windy.

    Low: 11 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 25. West wind 7 to 15 mph, with gusts as high as 22 mph.
Thursday
Increasing clouds, with a high near 57. Windy, with a south southwest wind 6 to 11 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 35. Windy, with a south southwest wind 23 to 25 mph becoming west after midnight. Winds could gust as high as 41 mph.
Friday
Partly sunny, with a high near 47. Windy, with a west northwest wind 15 to 23 mph, with gusts as high as 38 mph.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 31. North northwest wind 6 to 8 mph becoming east after midnight.
Saturday
A 20 percent chance of snow before 1pm. Cloudy, with a high near 48.
Saturday Night
A slight chance of rain and snow before 1am, then rain likely. Some thunder is also possible. Cloudy, with a low around 34. Breezy. Chance of precipitation is 70%.
Sunday
Rain and snow. High near 42. Windy. Chance of precipitation is 80%.
Sunday Night
Mostly cloudy, with a low around 11. Windy.
Monday
Mostly sunny, with a high near 25. Blustery.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Mostly cloudy, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 46.
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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:
5:12 pm CDT Mar 11, 2026
Forecast Valid:
6pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation