Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

Fair

70°F

21°C

Humidity 94%
Wind Speed SE 6 mph
Barometer 29.87 in
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 16 Jul 1:55 am CDT
Extended Forecast for

Newton Municipal IA

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 70. South southeast wind around 6 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 84. South southeast wind 6 to 8 mph becoming west northwest in the afternoon.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 59. North wind 8 to 10 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 73. North northeast wind 8 to 10 mph.

    High: 73 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. East wind 3 to 6 mph.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 4pm.  Partly sunny, with a high near 79. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 67.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. South southeast wind around 6 mph. 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. Mostly cloudy, with a high near 84. South southeast wind 6 to 8 mph becoming west northwest in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 59. North wind 8 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, with a high near 73. North northeast wind 8 to 10 mph.
Thursday Night
Partly cloudy, with a low around 58. East wind 3 to 6 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 79. Chance of precipitation is 20%.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 83.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Monday
Partly sunny, with a high near 84.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Newton Municipal IA
 41.67°N 93.01°W
12:23 am CDT Jul 16, 2025
2am CDT Jul 16, 2025-6pm CDT Jul 22, 2025
 
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