Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Snow
23°F
-5°C
| Humidity | 90% |
| Wind Speed | W 18 G 24 mph |
| Barometer | 29.53 in |
| Dewpoint | 20°F (-7°C) |
| Visibility | 0.75 mi |
| Wind Chill | 9°F (-13°C) |
| Last update | 20 Feb 1:55 am CST |
Extended Forecast for
3 Miles NNW Hartwick IA
Winter Weather Advisory February 20, 02:14am until February 20, 06:00am
NOW until 6:00am Fri
Winter Weather Advisory
Overnight
Low: 23 °F
Heavy Snow
and WindyFriday
High: 30 °F
Slight Chance
Snow and
Windy then
Mostly Sunny
and BlusteryFriday Night
Low: 15 °F
Partly Cloudy
Saturday
High: 28 °F
Partly Sunny
Saturday Night
Low: 12 °F
Partly Cloudy
Sunday
High: 22 °F
Sunny and
BlusterySunday Night
Low: 6 °F
Mostly Clear
Monday
High: 24 °F
Sunny
Detailed Forecast
Overnight
Snow, mainly before 5am. The snow could be heavy at times. Low around 23. Wind chill values as low as 5. Windy, with a west northwest wind 21 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 6 inches possible.
Friday
A slight chance of snow before 7am, then a chance of flurries between 7am and 8am. Mostly cloudy, then gradually becoming sunny, with a high near 30. Wind chill values as low as 10. Windy, with a west northwest wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 15. Wind chill values as low as 5. West wind 6 to 8 mph.
Saturday
Partly sunny, with a high near 28. Wind chill values as low as 5. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 12. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 22. Blustery.
Sunday Night
Mostly clear, with a low around 6.
Monday
Sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Mostly clear, with a low around 22.
Thursday
Mostly sunny, with a high near 47.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NNW Hartwick IA
41.81°N 92.37°W
41.81°N 92.37°W
10:57 pm CST Feb 19, 2026
2am CST Feb 20, 2026-6pm CST Feb 26, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
