Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Overcast and Breezy
48°F
9°C
| Humidity | 36% |
| Wind Speed | S 22 G 32 mph |
| Barometer | 29.80 in |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 12 Mar 5:35 pm CDT |
Extended Forecast for
Grinnell IA
High Wind Warning March 12, 10:00pm until March 13, 10:00am
Tonight

Low: 32 °F
Showers
Likely and
WindyFriday

High: 45 °F
Mostly Sunny
and WindyFriday Night

Low: 29 °F
Chance Snow
Saturday

High: 46 °F
Mostly Cloudy
Saturday Night
Low: 35 °F
Slight Chance
Rain/Snow
then
Rain/Snow
Likely and
BreezySunday

High: 44 °F
Rain/Snow and
WindySunday Night
Low: 7 °F
Heavy Snow
and Very
Windy then
Chance Snow
and WindyMonday

High: 15 °F
Mostly Sunny
and WindyMonday Night
Low: 1 °F
Mostly Clear
and Windy
then Mostly
Clear
Detailed Forecast
Tonight
Showers likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 32. Windy, with a south wind 25 to 32 mph becoming west after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 45. Windy, with a west northwest wind 24 to 29 mph decreasing to 16 to 21 mph in the afternoon. Winds could gust as high as 44 mph.
Friday Night
A 30 percent chance of snow, mainly after 1am. Increasing clouds, with a low around 29. Northwest wind 5 to 7 mph becoming calm. Little or no snow accumulation expected.
Saturday
Mostly cloudy, with a high near 46. East southeast wind 6 to 13 mph, with gusts as high as 20 mph.
Saturday Night
A slight chance of rain and snow before 10pm, then rain likely between 10pm and 4am, then rain likely, possibly mixed with snow after 4am. Some thunder is also possible. Cloudy, with a low around 35. Breezy, with an east wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday
Rain likely, possibly mixed with snow showers before 7am, then rain showers between 7am and 1pm, then snow showers, possibly mixed with rain after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 44. Windy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Snow showers before 7pm, then a chance of snow, mainly between 7pm and 1am. The snow could be heavy at times. Low around 7. Very windy. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 15. Windy.
Monday Night
Mostly clear, with a low around 1. Windy.
Tuesday
Partly sunny, with a high near 24.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 16.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 53.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grinnell IA
41.75°N 92.69°W
41.75°N 92.69°W
2:46 pm CDT Mar 12, 2026
5pm CDT Mar 12, 2026-6pm CDT Mar 19, 2026



