National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Overcast

42°F

6°C

Humidity 52%
Wind Speed E 16 G 22 mph
Barometer 30.01 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 14 Mar 1:15 pm CDT
Extended Forecast for

Grinnell Regional Airport IA

Blizzard Warning March 15, 01:00pm until March 16, 07:00am
High Wind Warning March 15, 01:00pm until March 16, 04:00am
Click here for hazard details and duration
Blizzard Warning
High Wind Warning

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 49. Breezy, with a southeast wind 16 to 20 mph, with gusts as high as 26 mph.

    High: 49 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: A slight chance of rain between 3am and 4am, then a chance of rain and thunderstorms after 4am. Mostly cloudy, with a low around 41. Windy, with an east southeast wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Mostly Cloudy
    and Breezy
    then Chance
    Rain and
    Windy

  • Sunday

    Sunday: Rain, snow, and sleet before 3pm, then rain and snow between 3pm and 4pm, then snow after 4pm. Some thunder is also possible. Patchy blowing snow after 4pm. Temperature rising to near 52 by 8am, then falling to around 31 during the remainder of the day. Windy, with a south wind 18 to 23 mph becoming north northwest 28 to 33 mph in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than one inch possible.

    High: 52 °F⇓

    Rain and
    Windy then
    Wintry Mix
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. Widespread blowing snow, mainly before 4am. Low around 8. Wind chill values as low as -10. Windy, with a north northwest wind 32 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 8 °F

    Snow and
    Blowing Snow

  • Monday

    Monday: Areas of blowing snow. Partly sunny, with a high near 16. Windy, with a northwest wind 24 to 29 mph, with gusts as high as 39 mph.

    High: 16 °F

    Areas Blowing
    Snow and
    Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 1. Blustery.

    Low: 1 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow after 1pm. Partly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 22. Chance of precipitation is 50%.

    Low: 22 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 49. Breezy, with a southeast wind 16 to 20 mph, with gusts as high as 26 mph.
Tonight
A slight chance of rain between 3am and 4am, then a chance of rain and thunderstorms after 4am. Mostly cloudy, with a low around 41. Windy, with an east southeast wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain, snow, and sleet before 3pm, then rain and snow between 3pm and 4pm, then snow after 4pm. Some thunder is also possible. Patchy blowing snow after 4pm. Temperature rising to near 52 by 8am, then falling to around 31 during the remainder of the day. Windy, with a south wind 18 to 23 mph becoming north northwest 28 to 33 mph in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than one inch possible.
Sunday Night
Snow, mainly before 1am. Widespread blowing snow, mainly before 4am. Low around 8. Wind chill values as low as -10. Windy, with a north northwest wind 32 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
Areas of blowing snow. Partly sunny, with a high near 16. Windy, with a northwest wind 24 to 29 mph, with gusts as high as 39 mph.
Monday Night
Mostly clear, with a low around 1. Blustery.
Tuesday
A 20 percent chance of snow after 1pm. Partly sunny, with a high near 29.
Tuesday Night
A chance of snow before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 22. Chance of precipitation is 50%.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
Last Update:
11:44 am CDT Mar 14, 2026
Forecast Valid:
1pm CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation