National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

Fair

19°F

-7°C

Humidity 63%
Wind Speed W 9 mph
Barometer 30.19 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 21 Jan 9:55 pm CST
Extended Forecast for

Newton IA

Extreme Cold Watch January 23, 12:00am until January 24, 12:00pm
Click here for hazard details and duration
Extreme Cold Watch

  • Tonight

    Tonight: Mostly clear, with a low around 11. Wind chill values as low as 5. Blustery, with a west wind 7 to 16 mph, with gusts as high as 26 mph.

    Low: 11 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 26. Wind chill values as low as zero. Blustery, with a west southwest wind 7 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 26 °F

    Mostly Sunny
    then Partly
    Sunny and
    Blustery

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -11. Wind chill values as low as -30. North wind 13 to 15 mph, with gusts as high as 22 mph.

    Low: -11 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near -4. Wind chill values as low as -35. North wind 9 to 14 mph, with gusts as high as 21 mph.

    High: -4 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -8. North northeast wind 6 to 8 mph.

    Low: -8 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow. Mostly cloudy and cold, with a high near 3.

    High: 3 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -3.

    Low: -3 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Partly sunny, with a high near 11.

    High: 11 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -7.

    Low: -7 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 11. Wind chill values as low as 5. Blustery, with a west wind 7 to 16 mph, with gusts as high as 26 mph.
Thursday
Partly sunny, with a high near 26. Wind chill values as low as zero. Blustery, with a west southwest wind 7 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around -11. Wind chill values as low as -30. North wind 13 to 15 mph, with gusts as high as 22 mph.
Friday
Partly sunny and cold, with a high near -4. Wind chill values as low as -35. North wind 9 to 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around -8. North northeast wind 6 to 8 mph.
Saturday
A 30 percent chance of snow. Mostly cloudy and cold, with a high near 3.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -3.
Sunday
A 20 percent chance of snow after noon. Partly sunny, with a high near 11.
Sunday Night
Partly cloudy, with a low around -7.
Monday
Sunny, with a high near 13.
Monday Night
Mostly clear, with a low around 4.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
Partly cloudy, with a low around 8.
Wednesday
Mostly sunny, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newton IA
 41.71°N 93.04°W
Last Update:
7:01 pm CST Jan 21, 2026
Forecast Valid:
10pm CST Jan 21, 2026-6pm CST Jan 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation