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Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Fair
43°F
6°C
| Humidity | 38% |
| Wind Speed | NW 17 G 24 mph |
| Barometer | 30.01 in |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 13 Mar 4:55 pm CDT |
Extended Forecast for
Grinnell IA
Winter Storm Watch March 15, 10:00am until March 16, 10:00am
Tonight
Low: 29 °F
Mostly Cloudy
and Blustery
then Slight
Chance SnowSaturday
High: 47 °F
Chance Snow
then Partly
Sunny and
BreezySaturday Night
Low: 40 °F
Breezy.
Slight Chance
Rain then
Chance RainSunday
High: 48 °F⇓
Rain and
Windy then
Rain/Snow and
Patchy
Blowing SnowSunday Night

Low: 8 °F
Snow and
Blowing SnowMonday

High: 15 °F
Slight Chance
Snow and
Areas Blowing
SnowMonday Night
Low: 1 °F
Mostly Clear
and Windy
then Mostly
ClearTuesday
High: 28 °F
Mostly Sunny
then Slight
Chance SnowTuesday Night

Low: 20 °F
Chance Snow
Detailed Forecast
Tonight
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 29. Blustery, with a northwest wind 11 to 16 mph becoming light and variable. Winds could gust as high as 20 mph.
Saturday
A 30 percent chance of snow, mainly before 7am. Partly sunny, with a high near 47. Breezy, with an east southeast wind 7 to 17 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.
Saturday Night
A 50 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 40. Breezy, with an east southeast wind 15 to 17 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain before 4pm, then snow. Some thunder is also possible. Patchy blowing snow after 5pm. Temperature rising to near 48 by 8am, then falling to around 34 during the remainder of the day. Windy, with a south southeast wind 17 to 22 mph becoming north northwest 28 to 33 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday Night
Snow, mainly before 1am. Widespread blowing snow, mainly after 8pm. Low around 8. Very windy, with a north northwest wind 32 to 37 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday
A 20 percent chance of snow before 1pm. Areas of blowing snow before 8am. Partly sunny, with a high near 15. Windy.
Monday Night
Mostly clear, with a low around 1. Windy.
Tuesday
A 20 percent chance of snow after 1pm. Mostly sunny, with a high near 28.
Tuesday Night
A 50 percent chance of snow before 1am. Mostly cloudy, with a low around 20.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 57.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grinnell IA
41.75°N 92.69°W
41.75°N 92.69°W
1:31 pm CDT Mar 13, 2026
5pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026



