National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed NE 18 mph
Barometer 30.04 in
Dewpoint 68°F (20°C)
Visibility 2.50 mi
Last update 17 Sep 3:55 pm CDT
Extended Forecast for

Newton IA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 82. Southeast wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. West southwest wind around 6 mph becoming light and variable after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers before 1pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. South wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. South southwest wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers, with thunderstorms also possible after 10pm. Partly cloudy, with a low around 59. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 82. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 82. Southeast wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. West southwest wind around 6 mph becoming light and variable after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 1pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. South wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. South southwest wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers, with thunderstorms also possible after 10pm. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 83.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 82.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 58.
Tuesday
Sunny, with a high near 77.
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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:
2:24 pm CDT Sep 17, 2025
Forecast Valid:
4pm CDT Sep 17, 2025-6pm CDT Sep 23, 2025
 
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