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

45°F

7°C

Humidity 66%
Wind Speed NW 10 mph
Barometer 29.79 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 10 Feb 12:35 am CST
Extended Forecast for

Newton IA

  • Overnight

    Overnight: Partly cloudy, with a low around 34. West wind 8 to 14 mph becoming north. Winds could gust as high as 25 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. Breezy, with a north northwest wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 45 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. North northwest wind 5 to 8 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. Calm wind becoming southeast around 6 mph after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. West wind 8 to 14 mph becoming north. Winds could gust as high as 25 mph.
Tuesday
Mostly sunny, with a high near 45. Breezy, with a north northwest wind 11 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 25. North northwest wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 46. Northwest wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 32. Calm wind becoming southeast around 6 mph after midnight.
Thursday
A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 45.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
A chance of rain and snow before noon, then a chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Saturday Night
A 40 percent chance of rain. Partly cloudy, with a low around 31.
Sunday
Sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 32.
Washington's Birthday
Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newton IA
 41.69°N 93.04°W
Last Update:
10:26 pm CST Feb 9, 2026
Forecast Valid:
12am CST Feb 10, 2026-6pm CST Feb 16, 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