National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Newton IA

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. West southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 10am. Some of the storms could be severe. Mostly cloudy, with a high near 72. South wind 6 to 10 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 53. South wind around 7 mph becoming north northeast in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Severe
    Thunderstorms

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 75. West wind 6 to 9 mph.

    High: 75 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. South wind 6 to 10 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Breezy. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Breezy.
    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly sunny, with a high near 49. Breezy.

    High: 49 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Blustery.

    Low: 31 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. West southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 10am. Some of the storms could be severe. Mostly cloudy, with a high near 72. South wind 6 to 10 mph. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 53. South wind around 7 mph becoming north northeast in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 75. West wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 56. South wind 6 to 10 mph.
Friday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Breezy. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 49. Breezy.
Saturday Night
Partly cloudy, with a low around 31. Blustery.
Sunday
Sunny, with a high near 55.
Sunday Night
Clear, with a low around 36.
Monday
Sunny, with a high near 68. Breezy.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 72. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newton IA
 41.71°N 93.04°W
Last Update:
1:26 am CDT Apr 15, 2026
Forecast Valid:
5am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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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