Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Partly Cloudy

71°F

22°C

Humidity 64%
Wind Speed E 7 mph
Barometer 30.11 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 22 Jun 11:55 am CDT
Extended Forecast for

Deep River IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. North northeast wind around 6 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 79 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 60. South wind 3 to 5 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 81. West northwest wind 5 to 8 mph.

    High: 81 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. North northeast wind around 6 mph.
Tonight
Mostly clear, with a low around 55. Calm wind.
Tuesday
Increasing clouds, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 60. South wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 81. West northwest wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 55.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 90. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
Deep River IA
 41.57°N 92.37°W
12:02 pm CDT Jun 22, 2026
12pm CDT Jun 22, 2026-6pm CDT Jun 28, 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