Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

Partly Cloudy

77°F

25°C

Humidity 69%
Wind Speed N 8 mph
Barometer 29.79 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Jun 6:15 pm CDT
Extended Forecast for

4 Miles NNW Kellogg IA

Extreme Heat Watch June 21, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 60. West northwest wind 6 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 86. West wind 5 to 8 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 2am.  Mostly clear, with a low around 67. South wind 6 to 9 mph.

    Low: 67 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 10am.  Mostly sunny, with a high near 94. Heat index values as high as 100. Windy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 94 °F

    Slight Chance
    T-storms and
    Breezy then
    Sunny and
    Windy

  • Friday Night

    Friday Night: Clear, with a low around 76. Breezy, with a south wind 18 to 20 mph, with gusts as high as 29 mph.

    Low: 76 °F

    Clear and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 96. Windy.

    High: 96 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Clear, with a low around 75. Breezy.

    Low: 75 °F

    Clear and
    Breezy

  • Sunday

    Sunday: Sunny, with a high near 96. Windy.

    High: 96 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Breezy.

    Low: 74 °F

    Clear and
    Breezy then
    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 60. West northwest wind 6 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Sunny, with a high near 86. West wind 5 to 8 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 67. South wind 6 to 9 mph.
Friday
A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny, with a high near 94. Heat index values as high as 100. Windy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Clear, with a low around 76. Breezy, with a south wind 18 to 20 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 96. Windy.
Saturday Night
Clear, with a low around 75. Breezy.
Sunday
Sunny, with a high near 96. Windy.
Sunday Night
Mostly clear, with a low around 74. Breezy.
Monday
A 30 percent chance of showers after 1pm. Sunny, with a high near 94.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 92. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Kellogg IA
 41.75°N 92.95°W
2:51 pm CDT Jun 18, 2025
6pm CDT Jun 18, 2025-6pm CDT Jun 25, 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