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

39°F

4°C

Humidity 65%
Wind Speed SW 8 mph
Barometer 29.47 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 24 Feb 1:55 pm CST
Extended Forecast for

Newton IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 40. West wind around 10 mph.

    High: 40 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. Northwest wind 6 to 8 mph.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow, mainly after 4pm. Mostly sunny, with a high near 31. North northwest wind 3 to 6 mph. Little or no snow accumulation expected.

    High: 31 °F

    Mostly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow before 3am, then a chance of freezing rain. Mostly cloudy, with a low around 23. Light and variable wind becoming east around 6 mph in the evening. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Chance Snow
    then Chance
    Wintry Mix

  • Thursday

    Thursday: Mostly sunny, with a high near 40. Southeast wind 5 to 8 mph becoming west southwest in the afternoon.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Friday Night

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

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 37. Breezy.

    High: 37 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 40. West wind around 10 mph.
Tonight
Mostly cloudy, with a low around 19. Northwest wind 6 to 8 mph.
Wednesday
A 40 percent chance of snow, mainly after 4pm. Mostly sunny, with a high near 31. North northwest wind 3 to 6 mph. Little or no snow accumulation expected.
Wednesday Night
A chance of snow before 3am, then a chance of freezing rain. Mostly cloudy, with a low around 23. Light and variable wind becoming east around 6 mph in the evening. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Thursday
Mostly sunny, with a high near 40. Southeast wind 5 to 8 mph becoming west southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 37. Breezy.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 29.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 18.
Monday
Mostly cloudy, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newton IA
 41.69°N 93.04°W
Last Update:
1:21 pm CST Feb 24, 2026
Forecast Valid:
2pm CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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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