Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
3 Miles NNW Hartwick IA
Tonight
Low: 3 °F
Patchy
Blowing Snow
and Windy
then Mostly
ClearTuesday
High: 27 °F
Sunny then
Chance SnowTuesday Night
Low: 24 °F
Snow Likely
then Slight
Chance SnowWednesday

High: 46 °F
Sunny
Wednesday Night

Low: 34 °F
Mostly Cloudy
Thursday

High: 59 °F
Sunny
Thursday Night

Low: 39 °F
Partly Cloudy
Friday

High: 70 °F
Mostly Sunny
Friday Night

Low: 42 °F
Mostly Cloudy
Detailed Forecast
Tonight
Patchy blowing snow before 7pm. Partly cloudy, with a low around 3. Wind chill values as low as -5. Windy, with a northwest wind 17 to 22 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
A 30 percent chance of snow, mainly after 5pm. Increasing clouds, with a high near 27. Wind chill values as low as -5. Light and variable wind becoming south 5 to 10 mph in the afternoon. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a steady temperature around 24. South southeast wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday
Sunny, with a high near 46. South wind around 6 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 34. South wind 3 to 6 mph.
Thursday
Sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 47.
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
2:27 pm CDT Mar 16, 2026
5pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026


