Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

59°F

15°C

Humidity 86%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 6:55 am CDT
Extended Forecast for

5 Miles WSW Chelsea IA

  • Juneteenth

    Juneteenth: A 50 percent chance of showers and thunderstorms, mainly after 4pm.  Increasing clouds, with a high near 80. Calm wind becoming west southwest 5 to 8 mph in the afternoon.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 56. North northwest wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 81. Light west northwest wind.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm after 1am.  Increasing clouds, with a low around 57. Calm wind becoming east around 6 mph after midnight.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Partly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 71. Breezy, with an east northeast wind 11 to 17 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 71 °F

    Heavy Rain
    and Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 54. Breezy.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 80. Calm wind becoming west southwest 5 to 8 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 56. North northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 81. Light west northwest wind.
Saturday Night
Showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 57. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 71. Breezy, with an east northeast wind 11 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 54. Breezy. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A 40 percent chance of showers before 1am. Partly cloudy, with a low around 56.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Chelsea IA
 41.9°N 92.48°W
6:12 am CDT Jun 19, 2026
7am CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database