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 85%
Wind Speed Calm
Barometer 30.35 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 3 Feb 11:15 pm CST
Extended Forecast for

Newton IA

  • Tonight

    Tonight: Partly cloudy, with a low around 12. Wind chill values as low as 5. North northeast wind around 6 mph becoming calm after midnight.

    Low: 12 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 31. Wind chill values as low as 5. North northwest wind 5 to 9 mph.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. North northwest wind 5 to 7 mph becoming light and variable.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 45. South southwest wind 7 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. Breezy, with a west wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 28 mph.

    Low: 32 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 41. Windy.

    High: 41 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 12. Wind chill values as low as 5. North northeast wind around 6 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 31. Wind chill values as low as 5. North northwest wind 5 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 19. North northwest wind 5 to 7 mph becoming light and variable.
Thursday
Mostly sunny, with a high near 45. South southwest wind 7 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 32. Breezy, with a west wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 28 mph.
Friday
Mostly sunny, with a high near 41. Windy.
Friday Night
Mostly clear, with a low around 19.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 49.
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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:
10:36 pm CST Feb 3, 2026
Forecast Valid:
11pm CST Feb 3, 2026-6pm CST Feb 10, 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