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.

Fair

61°F

16°C

Humidity 25%
Wind Speed NW 20 G 30 mph
Barometer 30.14 in
Dewpoint 24°F (-4°C)
Visibility 7.00 mi
Last update 15 Apr 3:15 pm CDT
Extended Forecast for

Grinnell IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. Windy, with a west northwest wind around 22 mph, with gusts as high as 30 mph.

    High: 58 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Clear, with a low around 35. Northwest wind 8 to 13 mph becoming light and variable in the evening.

    Low: 35 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. Breezy, with a south southeast wind 6 to 16 mph, with gusts as high as 24 mph.

    High: 67 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 49. South southeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 71. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 56. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 71. Breezy.

    High: 71 °F

    Slight Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 58. Windy, with a west northwest wind around 22 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 35. Northwest wind 8 to 13 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 67. Breezy, with a south southeast wind 6 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 49. South southeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 71. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 56. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 71. Breezy.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 61. Breezy.
Sunday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell IA
 41.75°N 92.72°W
Last Update:
2:49 pm CDT Apr 15, 2025
Forecast Valid:
3pm CDT Apr 15, 2025-6pm CDT Apr 21, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation