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.

Partly Cloudy

75°F

24°C

Humidity 65%
Wind Speed SE 15 mph
Barometer 29.97 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 26 Jun 4:55 pm CDT
Extended Forecast for

Newton IA

  • Tonight

    Tonight: Partly cloudy, with a low around 59. East wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Southeast wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 68. Southeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 92. Heat index values as high as 102. Breezy, with a southeast wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 92 °F

    Becoming
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Breezy, with a south wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 75 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 94. Breezy.

    High: 94 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Windy.

    Low: 76 °F

    Partly Cloudy
    and Windy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 95. Breezy.

    High: 95 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. Breezy.

    Low: 74 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. East wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 81. Southeast wind 7 to 13 mph, with gusts as high as 22 mph.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 68. Southeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 92. Heat index values as high as 102. Breezy, with a southeast wind 15 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 75. Breezy, with a south wind 11 to 17 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 94. Breezy.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Windy.
Tuesday
Sunny, with a high near 95. Breezy.
Tuesday Night
Partly cloudy, with a low around 74. Breezy.
Wednesday
Mostly sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 96.
Thursday Night
Mostly clear, with a low around 73.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newton IA
 41.71°N 93.04°W
Last Update:
4:57 pm CDT Jun 26, 2026
Forecast Valid:
5pm CDT Jun 26, 2026-6pm CDT Jul 3, 2026
 
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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