Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Fair
77°F
25°C
| Humidity | 39% |
| Wind Speed | S 17 mph |
| Barometer | 29.86 in |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 22 Apr 5:15 pm CDT |
Extended Forecast for
3 Miles NNW Hartwick IA
Tonight

Low: 57 °F
Partly Cloudy
Thursday
High: 75 °F
Breezy.
Partly Sunny
then Chance
T-stormsThursday Night

Low: 53 °F
T-storms
Friday
High: 66 °F
Slight Chance
T-storms then
Slight Chance
ShowersFriday Night

Low: 41 °F
Clear
Saturday

High: 66 °F
Mostly Sunny
Saturday Night

Low: 46 °F
Mostly Cloudy
Sunday
High: 68 °F
Mostly Sunny
then Chance
Showers and
BreezySunday Night

Low: 52 °F
Showers and
Breezy
Detailed Forecast
Tonight
Partly cloudy, with a low around 57. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 75. Breezy, with a south wind 13 to 20 mph, with gusts as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 53. South wind 7 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 66. Northwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Friday Night
Clear, with a low around 41. North wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 68. Breezy.
Sunday Night
Showers likely and possibly a thunderstorm, then showers after 1am. Low around 52. Breezy. Chance of precipitation is 80%.
Monday
Showers. High near 66. Breezy. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42. Breezy.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 61.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NNW Hartwick IA
41.81°N 92.37°W
41.81°N 92.37°W
5:22 pm CDT Apr 22, 2026
5pm CDT Apr 22, 2026-6pm CDT Apr 29, 2026


