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.

A Few Clouds

63°F

17°C

Humidity 68%
Wind Speed S 8 mph
Barometer 29.58 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 17 Jun 2:15 am CDT
Extended Forecast for

2 Miles SE Newton Municipal IA

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 58. South southeast wind 7 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before noon. Some of the storms could produce heavy rainfall. High near 83. Windy, with a south southeast wind 13 to 21 mph becoming west in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 83 °F

    Heavy Rain
    and Breezy
    then Slight
    Chance
    T-storms and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. Windy, with a west northwest wind 21 to 26 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 44 mph.

    Low: 58 °F

    Mostly Clear
    and Windy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Northwest wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Chance
    T-storms then
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 58. South southeast wind 7 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms, mainly before noon. Some of the storms could produce heavy rainfall. High near 83. Windy, with a south southeast wind 13 to 21 mph becoming west in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Mostly clear, with a low around 58. Windy, with a west northwest wind 21 to 26 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 44 mph.
Thursday
Sunny, with a high near 76. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 54. Northwest wind around 6 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 81.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 63. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 77. Breezy. Chance of precipitation is 80%.
Sunday Night
A 40 percent chance of showers. Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Newton Municipal IA
 41.67°N 92.98°W
Last Update:
1:36 am CDT Jun 17, 2026
Forecast Valid:
2am CDT Jun 17, 2026-6pm CDT Jun 23, 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