Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Overcast
53°F
12°C
| Humidity | 54% |
| Wind Speed | Calm |
| Barometer | 30.05 in |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 9 Apr 12:15 am CDT |
Extended Forecast for
3 Miles NNW Hartwick IA
Overnight

Low: 42 °F
Scattered
ShowersThursday
High: 61 °F
Sunny then
Showers
LikelyThursday Night

Low: 42 °F
Showers
Friday

High: 57 °F
Decreasing
CloudsFriday Night

Low: 37 °F
Mostly Clear
Saturday

High: 60 °F
Chance
ShowersSaturday Night

Low: 53 °F
Chance
ShowersSunday

High: 71 °F
Showers
Likely and
WindySunday Night

Low: 62 °F
Chance
Showers and
Breezy
Detailed Forecast
Overnight
Scattered showers and thunderstorms before 1am, then isolated showers between 1am and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 42. West southwest wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Scattered showers before 4pm, then scattered showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 61. Northwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm. Low around 42. North northeast wind 7 to 11 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 57. North wind 7 to 9 mph.
Friday Night
Mostly clear, with a low around 37. East wind 3 to 6 mph.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. Windy. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62. Breezy.
Monday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 80. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 58. Chance of precipitation is 60%.
Tuesday
Showers likely. Partly sunny, with a high near 71. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 36.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 52.
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
10:36 pm CDT Apr 8, 2026
12am CDT Apr 9, 2026-6pm CDT Apr 15, 2026



