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

12°F

-11°C

Humidity 73%
Wind Speed N 12 mph
Barometer 30.30 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 7 Dec 1:15 pm CST
Extended Forecast for

Newton Municipal IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 20. Wind chill values as low as -5. North wind 7 to 13 mph.

    High: 20 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a steady temperature around 7. Wind chill values as low as -5. North wind 5 to 7 mph becoming light and variable.

    Low: 7 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 29. Wind chill values as low as zero. Light south southeast wind becoming south 5 to 10 mph in the morning.

    High: 29 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a steady temperature around 27. South wind 7 to 10 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 40. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 40 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 25. Blustery.

    Low: 25 °F

    Slight Chance
    Rain and
    Blustery

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 32. Breezy.

    High: 32 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 22.

    High: 22 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 20. Wind chill values as low as -5. North wind 7 to 13 mph.
Tonight
Increasing clouds, with a steady temperature around 7. Wind chill values as low as -5. North wind 5 to 7 mph becoming light and variable.
Monday
Partly sunny, with a high near 29. Wind chill values as low as zero. Light south southeast wind becoming south 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a steady temperature around 27. South wind 7 to 10 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly cloudy, with a high near 40. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 25. Blustery.
Wednesday
Mostly cloudy, with a high near 32. Breezy.
Wednesday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 16.
Thursday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 22.
Thursday Night
Mostly cloudy, with a low around 1.
Friday
Partly sunny and cold, with a high near 8.
Friday Night
Mostly cloudy, with a low around -5.
Saturday
Partly sunny and cold, with a high near 8.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newton Municipal IA
 41.67°N 93.01°W
Last Update:
1:17 pm CST Dec 7, 2025
Forecast Valid:
1pm CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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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