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.

Overcast

21°F

-6°C

Humidity 100%
Wind Speed SW 6 mph
Barometer 30.03 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 1 Dec 11:35 pm CST
Extended Forecast for

Newton Municipal IA

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 4am. Otherwise, cloudy early, then becoming partly cloudy, with a low around 11. West southwest wind around 6 mph.

    Low: 11 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 28. Wind chill values as low as 5. South southwest wind 5 to 9 mph.

    High: 28 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a temperature rising to around 28 by 3am. South wind 6 to 8 mph becoming west after midnight.

    Low: 23 °F⇑

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a temperature rising to near 29 by 8am, then falling to around 16 during the remainder of the day. Wind chill values as low as zero. West wind 6 to 15 mph becoming north northwest in the morning. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.

    High: 29 °F⇓

    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -12. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: -12 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and cold, with a high near 9.

    High: 9 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Friday Night

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

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog before 2am, then patchy fog after 4am. Otherwise, cloudy early, then becoming partly cloudy, with a low around 11. West southwest wind around 6 mph.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 28. Wind chill values as low as 5. South southwest wind 5 to 9 mph.
Tuesday Night
Mostly cloudy, with a temperature rising to around 28 by 3am. South wind 6 to 8 mph becoming west after midnight.
Wednesday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a temperature rising to near 29 by 8am, then falling to around 16 during the remainder of the day. Wind chill values as low as zero. West wind 6 to 15 mph becoming north northwest in the morning. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around -12. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny and cold, with a high near 9.
Thursday Night
Partly cloudy, with a low around 1.
Friday
Partly sunny, with a high near 30.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Partly sunny, with a high near 20.
Sunday Night
Mostly cloudy, with a low around 3.
Monday
Mostly cloudy, with a high near 27.
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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:
10:17 pm CST Dec 1, 2025
Forecast Valid:
11pm CST Dec 1, 2025-6pm CST Dec 8, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation