Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

71°F

22°C

Humidity 8%
Wind Speed Calm
Barometer 29.68 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 8 May 6:35 pm CDT
Extended Forecast for

Grinnell Regional Airport IA

  • Tonight

    Tonight: A chance of sprinkles between 9pm and 11pm.  Mostly cloudy, then gradually becoming clear, with a low around 46. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 46 °F

    Chance
    Sprinkles

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Breezy, with a light and variable wind becoming west northwest 11 to 16 mph in the morning. Winds could gust as high as 24 mph.

    High: 77 °F

    Sunny then
    Partly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 43. North wind 8 to 13 mph becoming light  after midnight. Winds could gust as high as 18 mph.

    Low: 43 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 65. Light north wind becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of sprinkles between 9pm and 11pm. Mostly cloudy, then gradually becoming clear, with a low around 46. West southwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 77. Breezy, with a light and variable wind becoming west northwest 11 to 16 mph in the morning. Winds could gust as high as 24 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 43. North wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 65. Light north wind becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 39. Calm wind.
Monday
Sunny, with a high near 70.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 80. Breezy.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
5:57 pm CDT May 8, 2026
6pm CDT May 8, 2026-6pm CDT May 15, 2026
 
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Additional Resources

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