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

48°F

9°C

Humidity 70%
Wind Speed NE 8 mph
Barometer 30.05 in
Dewpoint 38°F (3°C)
Visibility 7.00 mi
Wind Chill44°F (7°C)
Last update 4 Mar 2:35 pm CST
Extended Forecast for

Grinnell Regional Airport IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 47. East northeast wind around 6 mph.

    High: 47 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of rain or sprinkles before 1am, then a chance of rain, mainly between 1am and 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 41. Light and variable wind. Chance of precipitation is 30%.

    Low: 41 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of sprinkles before 7am. Areas of fog before 9am. Otherwise, partly sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm after midnight. Low around 46. Light south southeast wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Partly Cloudy
    then Rain

  • Friday

    Friday: Rain and possibly a thunderstorm. High near 70. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Breezy. Rain
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm before midnight, then a chance of rain. Low around 35. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain then
    Chance Rain
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 33.

    Low: 33 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Breezy.

    High: 61 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 47. East northeast wind around 6 mph.
Tonight
A chance of rain or sprinkles before 1am, then a chance of rain, mainly between 1am and 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 41. Light and variable wind. Chance of precipitation is 30%.
Thursday
A chance of sprinkles before 7am. Areas of fog before 9am. Otherwise, partly sunny, with a high near 56. Light and variable wind.
Thursday Night
Rain and possibly a thunderstorm after midnight. Low around 46. Light south southeast wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Rain and possibly a thunderstorm. High near 70. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain and possibly a thunderstorm before midnight, then a chance of rain. Low around 35. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Clear, with a low around 33.
Sunday
Sunny, with a high near 61. Breezy.
Sunday Night
Clear, with a low around 44.
Monday
Sunny, with a high near 70.
Monday Night
A 30 percent chance of rain. Mostly clear, with a low around 46.
Tuesday
Rain likely. Partly sunny, with a high near 60. Breezy. Chance of precipitation is 60%.
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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:
1:43 pm CST Mar 4, 2026
Forecast Valid:
2pm CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation