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.

A Few Clouds

9°F

-13°C

Humidity 61%
Wind Speed W 8 mph
Barometer 30.31 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 19 Jan 5:15 pm CST
Extended Forecast for

Newton IA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 3. West southwest wind 3 to 8 mph.

    Low: 3 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 24. Wind chill values as low as -5. Calm wind becoming south 5 to 8 mph in the morning.

    High: 24 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 16. Wind chill values as low as 5. Southeast wind 8 to 10 mph becoming west northwest after midnight. Little or no snow accumulation expected.

    Low: 16 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. Wind chill values as low as 5. Breezy, with a west southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 34 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. Northwest wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -8.

    Low: -8 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near -1.

    High: -1 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -12.

    Low: -12 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 3. West southwest wind 3 to 8 mph.
Tuesday
Increasing clouds, with a high near 24. Wind chill values as low as -5. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
A 30 percent chance of snow, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 16. Wind chill values as low as 5. Southeast wind 8 to 10 mph becoming west northwest after midnight. Little or no snow accumulation expected.
Wednesday
Mostly sunny, with a high near 34. Wind chill values as low as 5. Breezy, with a west southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 11. Northwest wind 8 to 15 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 25.
Thursday Night
Mostly cloudy, with a low around -8.
Friday
Partly sunny and cold, with a high near -1.
Friday Night
Mostly cloudy, with a low around -12.
Saturday
Mostly sunny and cold, with a high near 5.
Saturday Night
Partly cloudy, with a low around -6.
Sunday
Mostly sunny, with a high near 15.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Mostly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newton IA
 41.69°N 93.04°W
Last Update:
5:12 pm CST Jan 19, 2026
Forecast Valid:
5pm CST Jan 19, 2026-6pm CST Jan 26, 2026
 
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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