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

Atlantic (KAIO)

Lat: 41.4°NLon: 95.05°WElev: 1181ft.

Mostly Cloudy

77°F

25°C

Humidity 74%
Wind Speed NW 7 mph
Barometer 29.82 in
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Heat Index79°F (26°C)
Last update 18 Jun 1:35 pm CDT
Extended Forecast for

Marne IA

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

    This Afternoon: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 79. North northwest wind around 10 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 59. North northwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 89. Light west wind becoming southwest 5 to 9 mph in the morning.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am.  Mostly clear, with a low around 68. South wind 9 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    Low: 68 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A slight chance of thunderstorms before 7am.  Sunny, with a high near 96. Windy, with a south wind 14 to 23 mph, with gusts as high as 32 mph.  Chance of precipitation is 10%.

    High: 96 °F

    Slight Chance
    T-storms and
    Breezy then
    Sunny and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Windy.

    Low: 76 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Windy.

    High: 99 °F

    Hot and Windy

  • Saturday Night

    Saturday Night: Clear, with a low around 76. Windy.

    Low: 76 °F

    Clear and
    Windy

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Windy.

    High: 97 °F

    Hot and Windy

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. North northwest wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 59. North northwest wind 5 to 9 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 89. Light west wind becoming southwest 5 to 9 mph in the morning.
Thursday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 68. South wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Friday
A slight chance of thunderstorms before 7am. Sunny, with a high near 96. Windy, with a south wind 14 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 10%.
Friday Night
Mostly clear, with a low around 76. Windy.
Saturday
Sunny and hot, with a high near 99. Windy.
Saturday Night
Clear, with a low around 76. Windy.
Sunday
Sunny and hot, with a high near 97. Windy.
Sunday Night
Mostly clear, with a low around 73. Windy.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94. Breezy.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Marne IA
 41.46°N 95.12°W
12:51 pm CDT Jun 18, 2025
1pm CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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