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.

Overcast

43°F

6°C

Humidity 49%
Wind Speed S 8 G 14 mph
Barometer 30.29 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 24 Mar 12:15 am CDT
Extended Forecast for

Newton IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. South southeast wind around 8 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of sprinkles after 4pm. Partly sunny, with a high near 58. South wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 58 °F

    Chance
    Sprinkles

  • Tuesday Night

    Tuesday Night: A chance of sprinkles before 7pm. Mostly cloudy, with a low around 42. Southeast wind around 9 mph.

    Low: 42 °F

    Chance
    Sprinkles

  • Wednesday

    Wednesday: Partly sunny, with a high near 75. South southwest wind 7 to 10 mph.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. South wind around 6 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 76. Breezy.

    High: 76 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 33. Windy.

    Low: 33 °F

    Slight Chance
    Rain and
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 48. Breezy.

    High: 48 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. South southeast wind around 8 mph.
Tuesday
A chance of sprinkles after 4pm. Partly sunny, with a high near 58. South wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
A chance of sprinkles before 7pm. Mostly cloudy, with a low around 42. Southeast wind around 9 mph.
Wednesday
Partly sunny, with a high near 75. South southwest wind 7 to 10 mph.
Wednesday Night
Mostly clear, with a low around 53. South wind around 6 mph.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 76. Breezy.
Thursday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 33. Windy.
Friday
Mostly sunny, with a high near 48. Breezy.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newton IA
 41.71°N 93.04°W
Last Update:
10:16 pm CDT Mar 23, 2026
Forecast Valid:
12am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation