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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Newton IA

  • Today

    Today: Partly sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 88 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. Light east wind.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. South wind 3 to 6 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. South southeast wind around 6 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 88. South wind 5 to 7 mph.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 68. Light east wind.
Wednesday
Sunny, with a high near 88. South wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 67. South southeast wind around 6 mph.
Thursday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 88. South wind 5 to 7 mph.
Thursday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newton IA
 41.69°N 93.04°W
Last Update:
5:57 am CDT Jul 28, 2026
Forecast Valid:
7am CDT Jul 28, 2026-6pm CDT Aug 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation