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

49°F

9°C

Humidity 30%
Wind Speed E 15 G 22 mph
Barometer 29.90 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 17 Nov 4:15 pm CST
Extended Forecast for

Grinnell Regional Airport IA

  • This Afternoon

    This Afternoon: A 40 percent chance of rain, mainly after 5pm. Cloudy, with a steady temperature around 49. Breezy, with an east wind around 17 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain
    and Breezy

  • Tonight

    Tonight: Rain and thunderstorms likely before 3am, then a chance of rain. Cloudy, with a low around 40. Breezy, with an east wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Rain Likely
    and Breezy

  • Tuesday

    Tuesday: A slight chance of drizzle before 10am. Mostly cloudy, with a high near 45. Northeast wind 6 to 10 mph.

    High: 45 °F

    Slight Chance
    Drizzle then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 38. Light northeast wind.

    Low: 38 °F

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50. Calm wind.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain. Mostly sunny, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Friday

    Friday: A 40 percent chance of rain. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 40 percent chance of rain, mainly after 5pm. Cloudy, with a steady temperature around 49. Breezy, with an east wind around 17 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain and thunderstorms likely before 3am, then a chance of rain. Cloudy, with a low around 40. Breezy, with an east wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of drizzle before 10am. Mostly cloudy, with a high near 45. Northeast wind 6 to 10 mph.
Tuesday Night
Cloudy, with a low around 38. Light northeast wind.
Wednesday
Mostly cloudy, with a high near 50. Calm wind.
Wednesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 38.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 58.
Thursday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 35.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 48.
Friday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 53.
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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:
4:26 pm CST Nov 17, 2025
Forecast Valid:
4pm CST Nov 17, 2025-6pm CST Nov 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation