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

43°F

6°C

Humidity 71%
Wind Speed E 6 mph
Barometer 30.34 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 11 Apr 12:15 am CDT
Extended Forecast for

Newton IA

  • Overnight

    Overnight: Partly cloudy, with a low around 39. East wind around 6 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 61. Southeast wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 7pm. Mostly cloudy, with a temperature rising to around 59 by 5am. South southeast wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F⇑

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 70. Windy, with a south southwest wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Windy. Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 61. Breezy, with a south southwest wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. Windy.

    High: 84 °F

    Chance
    T-storms and
    Windy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Breezy. Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    T-storms and
    Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 39. East wind around 6 mph.
Saturday
Showers likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 61. Southeast wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers, with thunderstorms also possible after 7pm. Mostly cloudy, with a temperature rising to around 59 by 5am. South southeast wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 70. Windy, with a south southwest wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 61. Breezy, with a south southwest wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 80. Breezy.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. Windy.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Breezy. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 74.
Wednesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 53.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 78. Breezy.
Thursday Night
A 40 percent chance of showers. Mostly clear, with a low around 54.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 71. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Newton IA
 41.69°N 93.04°W
Last Update:
10:16 pm CDT Apr 10, 2026
Forecast Valid:
12am CDT Apr 11, 2026-6pm CDT Apr 17, 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