Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Overcast
74°F
23°C
| Humidity | 92% |
| Wind Speed | SE 7 mph |
| Barometer | 30.03 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 18 Jul 11:55 pm CDT |
Extended Forecast for
Grinnell IA
Overnight
Low: 72 °F
Heavy Rain
Saturday
High: 85 °F
Heavy Rain
Saturday Night
Low: 67 °F
Chance
T-stormsSunday
High: 80 °F
Chance
T-stormsSunday Night
Low: 68 °F
Chance
T-stormsMonday
High: 84 °F
Chance
T-stormsMonday Night
Low: 71 °F
Chance
T-stormsTuesday
High: 90 °F
Slight Chance
T-stormsTuesday Night
Low: 73 °F
Mostly Clear
Detailed Forecast
Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a steady temperature around 72. South wind around 6 mph. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall. Cloudy, then gradually becoming mostly sunny, with a high near 85. Southwest wind around 6 mph becoming northwest in the afternoon. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Light and variable wind becoming north northeast around 5 mph in the evening. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. East wind 6 to 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East southeast wind around 7 mph. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 88.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grinnell IA
41.75°N 92.72°W
41.75°N 92.72°W
10:35 pm CDT Jul 18, 2025
12am CDT Jul 19, 2025-6pm CDT Jul 25, 2025
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