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

16°F

-9°C

Humidity 53%
Wind Speed N 7 mph
Barometer 30.32 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 29 Jan 1:15 pm CST
Extended Forecast for

Newton IA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 17. Wind chill values as low as 5. North wind around 7 mph.

    High: 17 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 1. Wind chill values as low as -10. North wind around 6 mph becoming calm.

    Low: 1 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 13. Wind chill values as low as -15. North wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 0. Wind chill values as low as -10. North northwest wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 0 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 20. North northwest wind 5 to 7 mph becoming west in the afternoon.

    High: 20 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Snow likely, mainly before noon. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.

    High: 28 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 17. Wind chill values as low as 5. North wind around 7 mph.
Tonight
Partly cloudy, with a low around 1. Wind chill values as low as -10. North wind around 6 mph becoming calm.
Friday
Mostly sunny, with a high near 13. Wind chill values as low as -15. North wind 7 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 0. Wind chill values as low as -10. North northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 20. North northwest wind 5 to 7 mph becoming west in the afternoon.
Saturday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 9.
Sunday
Snow likely, mainly before noon. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 29.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 29.
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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:
10:57 am CST Jan 29, 2026
Forecast Valid:
1pm CST Jan 29, 2026-6pm CST Feb 4, 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