Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Mostly Cloudy
45°F
7°C
| Humidity | 47% |
| Wind Speed | N 12 mph |
| Barometer | 30.07 in |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 1 Apr 3:35 am CDT |
Extended Forecast for
3 Miles NNW Hartwick IA
Overnight

Low: 43 °F
Chance
ShowersWednesday

High: 50 °F
Chance
Showers and
BreezyWednesday Night

Low: 40 °F
Showers and
BreezyThursday

High: 66 °F
Showers and
WindyThursday Night

Low: 37 °F
Slight Chance
Showers and
BreezyFriday
High: 67 °F
Slight Chance
T-storms then
Showers
LikelyFriday Night
Low: 38 °F
T-storms then
ShowersSaturday

High: 47 °F
Slight Chance
Showers and
BreezySaturday Night

Low: 29 °F
Mostly Cloudy
and Windy
Detailed Forecast
Overnight
A 30 percent chance of showers after 4am. Mostly cloudy, with a steady temperature around 43. Northeast wind around 11 mph, with gusts as high as 21 mph.
Wednesday
A slight chance of showers before 7am, then a chance of showers after 3pm. Mostly cloudy, with a high near 50. Breezy, with an east wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers after 4am. Low around 40. Breezy, with an east wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers, with thunderstorms also possible after 7am. High near 66. Windy, with a southeast wind 15 to 23 mph becoming south southwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 37. Breezy, with a west southwest wind 13 to 18 mph becoming north northwest 5 to 10 mph after midnight. Winds could gust as high as 29 mph.
Friday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 67. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 38. Chance of precipitation is 80%.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 47. Breezy.
Saturday Night
Mostly cloudy, with a low around 29. Windy.
Sunday
Mostly sunny, with a high near 51. Breezy.
Sunday Night
Mostly clear, with a low around 31.
Monday
Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly 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
1:26 am CDT Apr 1, 2026
3am CDT Apr 1, 2026-6pm CDT Apr 7, 2026



