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.

Mostly Cloudy

70°F

21°C

Humidity 15%
Wind Speed NW 17 G 24 mph
Barometer 29.77 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 9 May 12:55 pm CDT
Extended Forecast for

Grinnell Regional Airport IA

  • This Afternoon

    This Afternoon: Partly sunny, with a steady temperature around 71. Breezy, with a west wind around 17 mph, with gusts as high as 26 mph.

    High: 71 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Northwest wind 8 to 13 mph becoming light north  after midnight. Winds could gust as high as 21 mph.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66. Light north wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 70. Calm wind.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 50. Breezy.

    Low: 50 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 83. Windy.

    High: 83 °F

    Slight Chance
    T-storms and
    Windy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a steady temperature around 71. Breezy, with a west wind around 17 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around 41. Northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 66. Light north wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 40. Calm wind.
Monday
Sunny, with a high near 70. Calm wind.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 50. Breezy.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83. Windy.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
A 30 percent chance of showers. Mostly 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
12:37 pm CDT May 9, 2026
1pm CDT May 9, 2026-6pm CDT May 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

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