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

34°F

1°C

Humidity 93%
Wind Speed S 9 mph
Barometer 29.93 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 8 Mar 1:15 am CDT
Extended Forecast for

Monroe IA

  • Overnight

    Overnight: Mostly clear, with a low around 34. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Breezy, with a southwest wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 45. South southwest wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46. Southwest wind 6 to 8 mph becoming north northeast after midnight.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: A chance of rain between noon and 3pm, then a chance of rain and thunderstorms after 3pm. Partly sunny, with a high near 70. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms, then rain likely after midnight. Mostly cloudy, with a low around 35. Breezy. Chance of precipitation is 60%.

    Low: 35 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: A 40 percent chance of rain before noon. Partly sunny, with a high near 46. Breezy.

    High: 46 °F

    Breezy.
    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 34. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 66. Breezy, with a southwest wind 13 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 45. South southwest wind 13 to 15 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 70. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Monday Night
Clear, with a low around 46. Southwest wind 6 to 8 mph becoming north northeast after midnight.
Tuesday
A chance of rain between noon and 3pm, then a chance of rain and thunderstorms after 3pm. Partly sunny, with a high near 70. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain and thunderstorms, then rain likely after midnight. Mostly cloudy, with a low around 35. Breezy. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of rain before noon. Partly sunny, with a high near 46. Breezy.
Wednesday Night
Mostly clear, with a low around 27.
Thursday
Mostly sunny, with a high near 54. Breezy.
Thursday Night
Mostly cloudy, with a low around 43. Breezy.
Friday
Mostly cloudy, with a high near 57. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly cloudy, 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:
10:22 pm CST Mar 7, 2026
Forecast Valid:
12am CST Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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