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.

Mostly Cloudy

25°F

-4°C

Humidity 86%
Wind Speed W 10 mph
Barometer 30.48 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 11 Jan 10:55 am CST
Extended Forecast for

Newton Municipal IA

  • Today

    Today: Mostly sunny, with a high near 33. West northwest wind 8 to 10 mph becoming southwest in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 28. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 46. West wind around 7 mph.

    High: 46 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. West northwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Blustery.

    Low: 27 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Partly sunny, with a high near 32. Breezy.

    High: 32 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 33. West northwest wind 8 to 10 mph becoming southwest in the afternoon.
Tonight
Increasing clouds, with a low around 28. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 46. West wind around 7 mph.
Monday Night
Mostly cloudy, with a low around 34. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 53. West northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 27. Blustery.
Wednesday
Partly sunny, with a high near 32. Breezy.
Wednesday Night
Mostly clear, with a low around 18.
Thursday
Partly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Partly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newton Municipal IA
 41.69°N 92.98°W
Last Update:
9:32 am CST Jan 11, 2026
Forecast Valid:
11am CST Jan 11, 2026-6pm CST Jan 17, 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