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

14°F

-10°C

Humidity 67%
Wind Speed N 15 mph
Barometer 30.59 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 22 Feb 7:15 pm CST
Extended Forecast for

Newton IA

  • Tonight

    Tonight: Partly cloudy, with a low around 2. Wind chill values as low as -10. North northwest wind 8 to 14 mph, with gusts as high as 25 mph.

    Low: 2 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 18. Wind chill values as low as -10. North northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 18 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a temperature falling to near 11 by 8pm, then rising to around 19 during the remainder of the night. Wind chill values as low as 5. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 18 mph.

    Low: 11 °F⇑

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 42. Wind chill values as low as 10. South wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 42 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. Northwest wind 6 to 8 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow after noon. Mostly sunny, with a high near 35. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 35 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 18. Chance of precipitation is 50%.

    Low: 18 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 2. Wind chill values as low as -10. North northwest wind 8 to 14 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 18. Wind chill values as low as -10. North northwest wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a temperature falling to near 11 by 8pm, then rising to around 19 during the remainder of the night. Wind chill values as low as 5. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 18 mph.
Tuesday
Mostly cloudy, with a high near 42. Wind chill values as low as 10. South wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 20. Northwest wind 6 to 8 mph.
Wednesday
A chance of rain and snow after noon. Mostly sunny, with a high near 35. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 18. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Mostly clear, with a low around 23.
Friday
Sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Partly sunny, with a high near 34.
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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:
5:11 pm CST Feb 22, 2026
Forecast Valid:
7pm CST Feb 22, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation