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

59°F

15°C

Humidity 93%
Wind Speed N 12 mph
Barometer 29.96 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 13 Oct 5:35 am CDT
Extended Forecast for

Deep River IA

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 73. North wind 7 to 14 mph, with gusts as high as 20 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. North northeast wind 8 to 10 mph.

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 64. East northeast wind around 7 mph.

    High: 64 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 54. East wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 72. East southeast wind around 6 mph.

    High: 72 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Columbus Day
Partly sunny, with a high near 73. North wind 7 to 14 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 53. North northeast wind 8 to 10 mph.
Tuesday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 64. East northeast wind around 7 mph.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 54. East wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Partly sunny, with a high near 72. East southeast wind around 6 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 77.
Friday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 72.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 45.
Sunday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deep River IA
 41.57°N 92.37°W
Last Update:
4:21 am CDT Oct 13, 2025
Forecast Valid:
5am CDT Oct 13, 2025-6pm CDT Oct 19, 2025
 
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