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

30°F

-1°C

Humidity 75%
Wind Speed NE 15 G 26 mph
Barometer 30.21 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 28 Feb 5:15 pm CST
Extended Forecast for

Newton IA

  • Tonight

    Tonight: Partly cloudy, with a low around 18. Wind chill values as low as 10. North northeast wind 9 to 15 mph, with gusts as high as 21 mph.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 32. Wind chill values as low as 10. East northeast wind 6 to 10 mph.

    High: 32 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 23. East southeast wind 6 to 8 mph.

    Low: 23 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 42. Southeast wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 42 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Rain, mainly after midnight. Low around 34. Southeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 47. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 18. Wind chill values as low as 10. North northeast wind 9 to 15 mph, with gusts as high as 21 mph.
Sunday
Mostly cloudy, with a high near 32. Wind chill values as low as 10. East northeast wind 6 to 10 mph.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 23. East southeast wind 6 to 8 mph.
Monday
Mostly cloudy, with a high near 42. Southeast wind 8 to 11 mph, with gusts as high as 18 mph.
Monday Night
Rain, mainly after midnight. Low around 34. Southeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 47. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 60.
Thursday Night
A 40 percent chance of rain. Partly cloudy, with a low around 39.
Friday
Rain likely. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 54.
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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:
5:07 pm CST Feb 28, 2026
Forecast Valid:
5pm CST Feb 28, 2026-6pm CST Mar 7, 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