Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

A Few Clouds

9°F

-13°C

Humidity 61%
Wind Speed W 8 mph
Barometer 30.31 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 19 Jan 5:15 pm CST
Extended Forecast for

Newton IA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 3. West southwest wind 3 to 8 mph.

    Low: 3 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 24. Wind chill values as low as -5. Calm wind becoming south 5 to 8 mph in the morning.

    High: 24 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly before midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 16. Wind chill values as low as 5. Southeast wind 8 to 10 mph becoming west northwest after midnight.  Little or no snow accumulation expected.

    Low: 16 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. Wind chill values as low as 5. Breezy, with a west southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 34 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. Northwest wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -8.

    Low: -8 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near -1.

    High: -1 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -12.

    Low: -12 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 3. West southwest wind 3 to 8 mph.
Tuesday
Increasing clouds, with a high near 24. Wind chill values as low as -5. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
A 30 percent chance of snow, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 16. Wind chill values as low as 5. Southeast wind 8 to 10 mph becoming west northwest after midnight. Little or no snow accumulation expected.
Wednesday
Mostly sunny, with a high near 34. Wind chill values as low as 5. Breezy, with a west southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 11. Northwest wind 8 to 15 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 25.
Thursday Night
Mostly cloudy, with a low around -8.
Friday
Partly sunny and cold, with a high near -1.
Friday Night
Mostly cloudy, with a low around -12.
Saturday
Mostly sunny and cold, with a high near 5.
Saturday Night
Partly cloudy, with a low around -6.
Sunday
Mostly sunny, with a high near 15.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Mostly sunny, with a high near 23.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Newton IA
 41.69°N 93.04°W
5:12 pm CST Jan 19, 2026
5pm CST Jan 19, 2026-6pm CST Jan 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database