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 Calm
Barometer 30.05 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 12 Jan 5:15 pm CST
Extended Forecast for

Newton IA

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain between 3pm and 4pm. Partly sunny, with a high near 51. Breezy, with a west northwest wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 51 °F

    Partly Sunny
    then Slight
    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 31 mph.

    Low: 25 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a temperature falling to around 23 by 5pm. Windy, with a north northwest wind 15 to 22 mph, with gusts as high as 32 mph.

    High: 28 °F⇓

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 13. North northwest wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 13 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 35. Breezy.

    High: 35 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10. Blustery.

    Low: 10 °F

    Mostly Cloudy
    and Blustery

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of rain between 3pm and 4pm. Partly sunny, with a high near 51. Breezy, with a west northwest wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 25. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 31 mph.
Wednesday
Mostly sunny, with a temperature falling to around 23 by 5pm. Windy, with a north northwest wind 15 to 22 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly clear, with a low around 13. North northwest wind 5 to 14 mph, with gusts as high as 22 mph.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 32.
Thursday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27.
Friday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 35. Breezy.
Friday Night
Mostly cloudy, with a low around 10. Blustery.
Saturday
Partly sunny, with a high near 18. Blustery.
Saturday Night
Partly cloudy, with a low around 3.
Sunday
Mostly sunny, with a high near 20.
Sunday Night
Mostly cloudy, with a low around 8.
M.L.King Day
Mostly sunny, with a high near 27.
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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:
5:06 pm CST Jan 12, 2026
Forecast Valid:
5pm CST Jan 12, 2026-6pm CST Jan 19, 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