Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Overcast
66°F
19°C
| Humidity | 82% |
| Wind Speed | SE 13 mph |
| Barometer | 29.72 in |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 1:35 pm CDT |
Extended Forecast for
Grinnell Regional Airport IA
Severe T-storm Watch until April 15, 07:00pm
NOW until 7:00pm Wed

Severe T-storm Watch
This Afternoon

High: 70 °F
Severe
ThunderstormsTonight
Low: 51 °F
Severe
Thunderstorms
then Slight
Chance
T-stormsThursday

High: 75 °F
Sunny
Thursday Night

Low: 54 °F
Mostly Clear
Friday
High: 76 °F
Slight Chance
T-storms and
Breezy then
T-storms and
WindyFriday Night
Low: 35 °F
Breezy.
T-storms
Likely then
Showers
LikelySaturday
High: 50 °F
Slight Chance
Showers and
Breezy then
Sunny and
WindySaturday Night

Low: 31 °F
Mostly Clear
Detailed Forecast
This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Mostly cloudy, with a high near 70. South southwest wind around 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Some of the storms could be severe. Mostly cloudy, with a low around 51. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 75. Calm wind becoming south southwest 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 54. Light south wind becoming south southeast 5 to 10 mph in the evening. Winds could gust as high as 18 mph.
Friday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 76. Windy, with a south southeast wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and thunderstorms likely before 1am, then a chance of showers. Mostly cloudy, with a low around 35. Breezy. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
A 10 percent chance of showers before 7am. Sunny, with a high near 50. Windy.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 69. Breezy.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 72.
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
1:27 pm CDT Apr 15, 2026
1pm CDT Apr 15, 2026-6pm CDT Apr 21, 2026



