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

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Overcast

59°F

15°C

Humidity 76%
Wind Speed NW 17 G 21 mph
Barometer 30.02 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 4 May 5:35 pm CDT
Extended Forecast for

Grinnell IA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 41. Breezy, with a north northwest wind 6 to 16 mph, with gusts as high as 23 mph.

    Low: 41 °F

    Decreasing
    Clouds and
    Breezy then
    Clear

  • Sunday

    Sunday: Sunny, with a high near 68. North northwest wind 6 to 8 mph becoming east southeast in the afternoon.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. East southeast wind 7 to 9 mph.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers after 1pm. Increasing clouds, with a high near 74. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 26 mph.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 56. Windy, with a southeast wind 11 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 56 °F

    Showers and
    Windy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 75. Breezy. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 51.

    Low: 51 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 49.

    Low: 49 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 41. Breezy, with a north northwest wind 6 to 16 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 68. North northwest wind 6 to 8 mph becoming east southeast in the afternoon.
Sunday Night
Mostly clear, with a low around 49. East southeast wind 7 to 9 mph.
Monday
A 30 percent chance of showers after 1pm. Increasing clouds, with a high near 74. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 26 mph.
Monday Night
Showers and possibly a thunderstorm. Low around 56. Windy, with a southeast wind 11 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 75. Breezy. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 51.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 74. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 49.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 68. Breezy.
Thursday Night
Partly cloudy, with a low around 45. Breezy.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 64. Breezy.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 69. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell IA
 41.75°N 92.72°W
Last Update:
3:03 pm CDT May 4, 2024
Forecast Valid:
5pm CDT May 4, 2024-6pm CDT May 11, 2024
 
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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