Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

Fair

N/A

Humidity NA
Wind Speed S 5 mph
Barometer 29.88 in
Dewpoint N/A
Visibility 9.00 mi
Last update 25 Jul 8:55 pm CDT
Extended Forecast for

4 Miles S Prairie City IA

Extreme Heat Watch July 26, 09:00pm until July 27, 10:00pm
Extreme Heat Warning July 26, 12:00pm until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
Extreme Heat Warning
  • Tonight

    Tonight: Mostly cloudy, with a low around 74. Light and variable wind becoming south southeast around 5 mph.

    Low: 74 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 8am.  Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 115. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 20%.

    High: 96 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 3am.  Partly cloudy, with a low around 77. South southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 77 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 96. Heat index values as high as 112. West northwest wind around 10 mph becoming south southwest in the morning.

    High: 96 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. North wind 6 to 8 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 74. Light and variable wind becoming south southeast around 5 mph.
Sunday
A slight chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 8am. Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 115. South southwest wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 77. South southwest wind around 10 mph, with gusts as high as 18 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 96. Heat index values as high as 112. West northwest wind around 10 mph becoming south southwest in the morning.
Monday Night
Mostly clear, with a low around 72. North wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 88.
Friday Night
A 30 percent chance of showers. Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 88.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Prairie City IA
 41.54°N 93.22°W
8:43 pm CDT Jul 25, 2026
9pm CDT Jul 25, 2026-6pm CDT Aug 1, 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