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 >

Hazardous Weather Conditions

Current conditions at

Atlantic (KAIO)

Lat: 41.4°NLon: 95.05°WElev: 1181ft.

Overcast

72°F

22°C

Humidity 88%
Wind Speed Vrbl 7 mph
Barometer 29.83 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Jun 11:35 am CDT
Extended Forecast for

Griswold IA

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly cloudy, with a high near 80. North wind around 10 mph, with gusts as high as 18 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 60. North northwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 90. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. South wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Windy, with a south wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 97 °F

    Hot 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 77. Windy.

    Low: 77 °F

    Clear and
    Windy

  • Sunday

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

    High: 97 °F

    Hot and Windy

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 80. North wind around 10 mph, with gusts as high as 18 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 60. North northwest wind 5 to 9 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 90. Calm wind becoming southwest 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 68. South wind 9 to 13 mph, with gusts as high as 21 mph.
Friday
Sunny and hot, with a high near 97. Windy, with a south wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph.
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 77. Windy.
Sunday
Sunny and hot, with a high near 97. Windy.
Sunday Night
Mostly clear, with a low around 74. 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. Partly cloudy, with a low around 70.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Griswold IA
 41.24°N 95.15°W
11:37 am CDT Jun 18, 2025
11am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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