Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

92°F

33°C

Humidity 48%
Wind Speed SW 8 mph
Barometer 29.94 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 1 Sep 3:55 pm CDT
Extended Forecast for

3 Miles N New Sharon IA

Heat Advisory September 1, 04:08pm until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 1, 04:08pm until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. South wind around 7 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 101. Southwest wind 5 to 9 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind 5 to 7 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. South southwest wind 3 to 8 mph.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 95. Heat index values as high as 100. South southwest wind around 8 mph.
Tonight
Mostly clear, with a low around 74. South wind around 7 mph.
Wednesday
Sunny, with a high near 94. Heat index values as high as 101. Southwest wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind 5 to 7 mph.
Thursday
Sunny, with a high near 92. South southwest wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 74.
Friday
Mostly sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 72.
Saturday
Mostly sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
A 40 percent chance of showers. Mostly sunny, with a high near 88.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 68.
Labor Day
Partly sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N New Sharon IA
 41.51°N 92.67°W
3:26 pm CDT Sep 1, 2026
4pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
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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