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

37°F

3°C

Humidity 75%
Wind Speed SE 7 mph
Barometer 30.18 in
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 2 Mar 7:15 pm CST
Extended Forecast for

Newton Municipal IA

  • Tonight

    Tonight: A 20 percent chance of rain after 3am. Cloudy, with a low around 34. East southeast wind 5 to 8 mph.

    Low: 34 °F

    Cloudy then
    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before 7am. Cloudy, with a high near 44. East northeast wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance Rain
    then Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 10pm, then a slight chance of rain and snow between 10pm and 11pm, then a chance of rain after 11pm. Partly cloudy, with a low around 34. East northeast wind around 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 34 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain. Partly sunny, with a high near 50. East wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 40. Light east wind. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Partly sunny, with a high near 58. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Low: 45 °F

    Partly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain, with thunderstorms also possible after noon. High near 68. Chance of precipitation is 90%.

    High: 68 °F

    Rain

  • Friday Night

    Friday Night: Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Rain Likely

Detailed Forecast

Tonight
A 20 percent chance of rain after 3am. Cloudy, with a low around 34. East southeast wind 5 to 8 mph.
Tuesday
A 30 percent chance of rain, mainly before 7am. Cloudy, with a high near 44. East northeast wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A slight chance of rain before 10pm, then a slight chance of rain and snow between 10pm and 11pm, then a chance of rain after 11pm. Partly cloudy, with a low around 34. East northeast wind around 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 50. East wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40. Light east wind. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 30 percent chance of rain before noon. Partly sunny, with a high near 58. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Friday
Rain, with thunderstorms also possible after noon. High near 68. Chance of precipitation is 90%.
Friday Night
Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Saturday
Partly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 64. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newton Municipal IA
 41.67°N 93.01°W
Last Update:
2:48 pm CST Mar 2, 2026
Forecast Valid:
7pm CST Mar 2, 2026-6pm CDT Mar 9, 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