Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

Fair

50°F

10°C

Humidity 82%
Wind Speed SE 10 mph
Barometer 29.86 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 30 Mar 1:55 am CDT
Extended Forecast for

Newton IA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 51. South southeast wind around 7 mph.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 84. Breezy, with a south southwest wind 6 to 16 mph, with gusts as high as 23 mph.

    High: 84 °F

    Sunny then
    Increasing
    Clouds and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers.  Mostly cloudy, with a low around 61. South wind 10 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm.  Partly sunny, with a temperature rising to near 68 by 10am, then falling to around 60 during the remainder of the day. Breezy, with a south southwest wind 13 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am.  Mostly cloudy, with a low around 37. Breezy, with a north wind 13 to 17 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Slight Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm.  Mostly cloudy, with a high near 46. Breezy.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers.  Low around 35. Breezy.  Chance of precipitation is 100%.

    Low: 35 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers.  High near 51. Chance of precipitation is 80%.

    High: 51 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 1am.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 51. South southeast wind around 7 mph.
Monday
Increasing clouds, with a high near 84. Breezy, with a south southwest wind 6 to 16 mph, with gusts as high as 23 mph.
Monday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 61. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a temperature rising to near 68 by 10am, then falling to around 60 during the remainder of the day. Breezy, with a south southwest wind 13 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 37. Breezy, with a north wind 13 to 17 mph, with gusts as high as 25 mph.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 46. Breezy. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers. Low around 35. Breezy. Chance of precipitation is 100%.
Thursday
Showers. High near 51. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 35.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 58.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 40. Breezy. Chance of precipitation is 70%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 51. Windy.
Saturday Night
Mostly cloudy, with a low around 32. Breezy.
Sunday
Mostly sunny, with a high near 51. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Newton IA
 41.71°N 93.04°W
1:27 am CDT Mar 30, 2026
2am CDT Mar 30, 2026-6pm CDT Apr 5, 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