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 S 10 mph
Barometer 30.07 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 29 Mar 8:15 am CDT
Extended Forecast for

Monroe IA

  • Today

    Today: Mostly sunny, with a high near 70. Breezy, with a south wind 9 to 16 mph, with gusts as high as 24 mph.

    High: 70 °F

    Sunny then
    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 48. South wind 6 to 10 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Breezy, with a south southwest wind 6 to 16 mph, with gusts as high as 24 mph.

    High: 84 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. South wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers. Partly sunny, with a high near 70. Breezy, with a south southwest wind 15 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 36. Breezy. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 48.

    High: 48 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain showers before 1am, then rain likely, possibly mixed with snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Chance
    Showers then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain and snow showers likely, becoming all rain after 1pm. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.

    High: 45 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 70. Breezy, with a south wind 9 to 16 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 48. South wind 6 to 10 mph.
Monday
Sunny, with a high near 84. Breezy, with a south southwest wind 6 to 16 mph, with gusts as high as 24 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. South wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 70. Breezy, with a south southwest wind 15 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 36. Breezy. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 48.
Wednesday Night
A chance of rain showers before 1am, then rain likely, possibly mixed with snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Thursday
Rain and snow showers likely, becoming all rain after 1pm. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 35.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 61.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 54. Breezy.
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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:
6:27 am CDT Mar 29, 2026
Forecast Valid:
8am CDT Mar 29, 2026-6pm CDT Apr 4, 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