Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Rain
62°F
17°C
| Humidity | 78% |
| Wind Speed | NW 12 G 29 mph |
| Barometer | 29.66 in |
| Dewpoint | 55°F (13°C) |
| Visibility | 1.50 mi |
| Last update | 14 Apr 11:55 pm CDT |
Extended Forecast for
Grinnell Regional Airport IA
Severe T-storm Watch until April 15, 02:00am
NOW until 2:00am Wed

Severe T-storm Watch
Overnight

Low: 58 °F
T-storms
LikelyWednesday

High: 73 °F
T-storms
LikelyWednesday Night
Low: 52 °F
T-storms
Likely then
Chance
ShowersThursday

High: 75 °F
Slight Chance
ShowersThursday Night

Low: 55 °F
Mostly Clear
Friday
High: 81 °F
Mostly Sunny
and Breezy
then Showers
Likely and
WindyFriday Night

Low: 39 °F
Showers and
BreezySaturday

High: 50 °F
Chance
Showers and
Windy
Detailed Forecast
Overnight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then showers and thunderstorms likely after 5am. Mostly cloudy, with a low around 58. West northwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 73. Light south southwest wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers. Mostly cloudy, with a low around 52. Southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers before 1pm. Sunny, with a high near 75. Light west southwest wind increasing to 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 55. Calm wind becoming south southeast 5 to 7 mph after midnight.
Friday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Windy. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 39. Breezy. Chance of precipitation is 80%.
Saturday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 50. Windy.
Saturday Night
Partly cloudy, with a low around 31. Blustery.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 63. Breezy.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Sunny, with a high near 68. Breezy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grinnell Regional Airport IA
41.71°N 92.75°W
41.71°N 92.75°W
10:02 pm CDT Apr 14, 2026
12am CDT Apr 15, 2026-6pm CDT Apr 21, 2026



