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.

Fair

68°F

20°C

Humidity 63%
Wind Speed W 12 G 17 mph
Barometer 29.53 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Jun 9:55 pm CDT
Extended Forecast for

4 Miles NNW New Sharon IA

  • Tonight

    Tonight: Mostly clear, with a low around 57. West wind 8 to 10 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. West northwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Increasing clouds, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.

    High: 79 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Light and variable wind.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 57. West wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 76. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 53. West northwest wind around 5 mph becoming calm in the evening.
Juneteenth
Increasing clouds, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 59. Light and variable wind.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61.
Sunday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.
Sunday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW New Sharon IA
 41.53°N 92.67°W
Last Update:
7:52 pm CDT Jun 17, 2026
Forecast Valid:
10pm CDT Jun 17, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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