Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Fog
36°F
2°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 29.92 in |
| Dewpoint | 35°F (2°C) |
| Visibility | 0.50 mi |
| Last update | 26 Dec 6:35 pm CST |
Extended Forecast for
Chelsea IA
Tonight

Low: 36 °F
Dense Fog
Saturday

High: 48 °F
Areas Fog
Saturday Night

Low: 38 °F
Mostly Cloudy
Sunday
High: 44 °F⇓
Chance Rain
and Breezy
then
Rain/Snow
Likely and
WindySunday Night
Low: 8 °F
Windy. Slight
Chance Snow
then Mostly
CloudyMonday

High: 17 °F
Partly Sunny
and WindyMonday Night

Low: 9 °F
Mostly Clear
Tuesday

High: 32 °F
Mostly Sunny
Tuesday Night

Low: 16 °F
Mostly Cloudy
Detailed Forecast
Tonight
Widespread dense fog, mainly before 4am. Otherwise, mostly cloudy, with a low around 36. Calm wind becoming southeast 5 to 7 mph after midnight.
Saturday
Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 48. Southeast wind 7 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 38. Southeast wind 5 to 7 mph becoming calm.
Sunday
A chance of rain before noon, then rain and snow likely between noon and 3pm, then snow likely after 3pm. Cloudy, with a temperature rising to near 44 by 8am, then falling to around 28 during the remainder of the day. Windy, with a north northwest wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 8. Windy, with a northwest wind 23 to 25 mph, with gusts as high as 41 mph.
Monday
Partly sunny, with a high near 17. Windy.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 4.
New Year's Day
Sunny, with a high near 15.
Thursday Night
Mostly clear, with a low around 1.
Friday
Mostly sunny, with a high near 21.
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
5:43 pm CST Dec 26, 2025
6pm CST Dec 26, 2025-6pm CST Jan 2, 2026



