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.

Mostly Cloudy

19°F

-7°C

Humidity 86%
Wind Speed SE 12 mph
Barometer 30.07 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 8 Dec 4:55 pm CST
Extended Forecast for

Newton Municipal IA

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 29 by 1am. South wind 8 to 10 mph becoming west after midnight.

    Low: 22 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 5pm. Mostly cloudy, with a high near 37. West wind 7 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am, then a slight chance of snow. Mostly cloudy, with a low around 23. Windy, with a southwest wind 15 to 20 mph becoming west northwest 25 to 30 mph after midnight. Winds could gust as high as 47 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 23 °F

    Windy. Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 31. Wind chill values as low as 10. Windy, with a northwest wind 25 to 30 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 47 mph.

    High: 31 °F

    Mostly Cloudy
    and Windy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 14. Northwest wind 5 to 10 mph becoming light and variable.

    Low: 14 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow. Mostly cloudy, with a high near 25.

    High: 25 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 20. Blustery.

    High: 20 °F

    Slight Chance
    Snow then
    Mostly Cloudy
    and Blustery

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a temperature rising to around 29 by 1am. South wind 8 to 10 mph becoming west after midnight.
Tuesday
A 20 percent chance of rain after 5pm. Mostly cloudy, with a high near 37. West wind 7 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
A chance of rain before 1am, then a slight chance of snow. Mostly cloudy, with a low around 23. Windy, with a southwest wind 15 to 20 mph becoming west northwest 25 to 30 mph after midnight. Winds could gust as high as 47 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
Mostly cloudy, with a high near 31. Wind chill values as low as 10. Windy, with a northwest wind 25 to 30 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 47 mph.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 14. Northwest wind 5 to 10 mph becoming light and variable.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 25.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 11.
Friday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 20. Blustery.
Friday Night
Mostly cloudy, with a low around 0.
Saturday
Mostly cloudy and cold, with a high near 8.
Saturday Night
Mostly cloudy, with a low around -2.
Sunday
Mostly sunny, with a high near 15.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
Partly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newton Municipal IA
 41.67°N 93.01°W
Last Update:
3:16 pm CST Dec 8, 2025
Forecast Valid:
5pm CST Dec 8, 2025-6pm CST Dec 15, 2025
 
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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