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Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

56°F

13°C

Humidity 93%
Wind Speed W 3 mph
Barometer 30.03 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 20 Jun 12:55 am CDT
Extended Forecast for

6 Miles SSW Chelsea IA

  • Overnight

    Overnight: Mostly clear, with a low around 55. West wind around 6 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 56. Light and variable wind. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, then showers after 10am. Some of the storms could produce heavy rainfall. High near 71. Breezy, with an east northeast wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 71 °F

    Heavy Rain
    and Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 53. Northeast wind 8 to 14 mph, with gusts as high as 22 mph. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Chance
    Showers

  • 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 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 55.

    Low: 55 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 55. West wind around 6 mph.
Saturday
Sunny, with a high near 80. Calm wind becoming west northwest around 6 mph in the afternoon.
Saturday Night
A 40 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 56. Light and variable wind. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely and possibly a thunderstorm, then showers after 10am. Some of the storms could produce heavy rainfall. High near 71. Breezy, with an east northeast wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Sunday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 53. Northeast wind 8 to 14 mph, with gusts as high as 22 mph. New precipitation amounts between a quarter and half of an inch possible.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Chelsea IA
 41.83°N 92.42°W
Last Update:
10:47 pm CDT Jun 19, 2026
Forecast Valid:
1am CDT Jun 20, 2026-6pm CDT Jun 26, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation