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

37°F

3°C

Humidity 56%
Wind Speed NW 8 mph
Barometer 30.25 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 11 Mar 7:55 pm CDT
Extended Forecast for

Newton IA

  • Tonight

    Tonight: Mostly clear, with a low around 26. West wind 6 to 8 mph.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 56. Windy, with a light west southwest wind becoming south southwest 21 to 26 mph in the morning. Winds could gust as high as 39 mph.

    High: 56 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Windy

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 34. Windy, with a south southwest wind 23 to 25 mph becoming west after midnight. Winds could gust as high as 43 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance Rain
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 47. Windy, with a west northwest wind 15 to 23 mph, with gusts as high as 39 mph.

    High: 47 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 29. North northwest wind 5 to 8 mph becoming east after midnight.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A slight chance of snow before 1pm, then a slight chance of rain. Cloudy, with a high near 46. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow before 1am, then rain likely. Some thunder is also possible. Cloudy, with a low around 33. Breezy. Chance of precipitation is 70%.

    Low: 33 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely and
    Breezy

  • Sunday

    Sunday: Rain and snow. High near 41. Windy. Chance of precipitation is 80%.

    High: 41 °F

    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 9. Windy.

    Low: 9 °F

    Chance Snow
    and Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 26. West wind 6 to 8 mph.
Thursday
Increasing clouds, with a high near 56. Windy, with a light west southwest wind becoming south southwest 21 to 26 mph in the morning. Winds could gust as high as 39 mph.
Thursday Night
A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 34. Windy, with a south southwest wind 23 to 25 mph becoming west after midnight. Winds could gust as high as 43 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 47. Windy, with a west northwest wind 15 to 23 mph, with gusts as high as 39 mph.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 29. North northwest wind 5 to 8 mph becoming east after midnight.
Saturday
A slight chance of snow before 1pm, then a slight chance of rain. Cloudy, with a high near 46. Chance of precipitation is 20%.
Saturday Night
A chance of rain and snow before 1am, then rain likely. Some thunder is also possible. Cloudy, with a low around 33. Breezy. Chance of precipitation is 70%.
Sunday
Rain and snow. High near 41. Windy. Chance of precipitation is 80%.
Sunday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 9. Windy.
Monday
Mostly sunny, with a high near 23. Blustery.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Mostly cloudy, with a high near 34.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 45.
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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:
5:12 pm CDT Mar 11, 2026
Forecast Valid:
8pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
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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