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Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Mostly Cloudy
65°F
18°C
| Humidity | 99% |
| Wind Speed | SE 6 mph |
| Barometer | 29.78 in |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 1 Oct 4:55 am CDT |
Extended Forecast for
Chelsea IA
Flood Watch October 1, 05:19am until October 2, 01:00am
NOW until 1:00am Fri

Flood Watch
Overnight

Low: 67 °F
Showers and
Patchy FogThursday
High: 67 °F
Showers and
Patchy Fog
then Chance
ShowersThursday Night

Low: 49 °F
Gradual
ClearingFriday

High: 62 °F
Sunny
Friday Night

Low: 43 °F
Clear
Saturday

High: 65 °F
Sunny
Saturday Night

Low: 49 °F
Mostly Clear
Sunday

High: 67 °F
Sunny
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Patchy fog. Steady temperature around 67. East southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm before 9am, then a chance of showers. Patchy fog before 8am. High near 67. North wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 49. North wind 7 to 9 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 62. North northeast wind 6 to 8 mph.
Friday Night
Clear, with a low around 43. Light and variable wind.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 67.
Sunday Night
Clear, with a low around 44.
Monday
Sunny, with a high near 63.
Monday Night
Clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 71.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Chelsea IA
41.92°N 92.39°W
41.92°N 92.39°W
5:06 am CDT Oct 1, 2026
5am CDT Oct 1, 2026-6pm CDT Oct 7, 2026



