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

Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed N 8 G 14 mph
Barometer 30.04 in
Dewpoint 68°F (20°C)
Visibility 6.00 mi
Last update 3 Jul 3:35 am CDT
Extended Forecast for

Newton Municipal IA

Flood Watch July 3, 03:56am until July 3, 10:00am
Flash Flood Warning July 3, 03:56am until July 3, 05:15am
Click here for hazard details and duration
Flood Watch
Flash Flood Warning
  •  
    Flood Watch July 3, 03:56am until July 3, 10:00am
    Flash Flood Warning July 3, 03:56am until July 3, 05:15am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 69 °F

    Showers

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 89. South wind 6 to 8 mph becoming west in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 69. West wind around 7 mph becoming east southeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Independence Day

    Independence Day: A chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 4pm. Cloudy through mid morning, then gradual clearing, with a high near 87. South wind around 7 mph becoming west in the morning. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers after 1am. Partly cloudy, with a low around 66. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Steady temperature around 69. South southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 89. South wind 6 to 8 mph becoming west in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 69. West wind around 7 mph becoming east southeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Independence Day
A chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 4pm. Cloudy through mid morning, then gradual clearing, with a high near 87. South wind around 7 mph becoming west in the morning. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers after 1am. Partly cloudy, with a low around 66. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newton Municipal IA
 41.67°N 93.01°W
Last Update:
2:32 am CDT Jul 3, 2026
Forecast Valid:
3am CDT Jul 3, 2026-6pm CDT Jul 9, 2026
 
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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