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

24°F

-4°C

Humidity 73%
Wind Speed Calm
Barometer 30.32 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 7 Feb 12:35 am CST
Extended Forecast for

Deep River IA

  • Overnight

    Overnight: Mostly clear, with a low around 15. North wind 6 to 8 mph.

    Low: 15 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 34. East northeast wind 5 to 11 mph becoming south southeast in the morning. Winds could gust as high as 20 mph.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. Southeast wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44. Southeast wind 5 to 7 mph becoming east northeast in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. Light and variable wind becoming south southwest around 5 mph after midnight.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon. Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 15. North wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 34. East northeast wind 5 to 11 mph becoming south southeast in the morning. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 24. Southeast wind 9 to 13 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 44. Southeast wind 5 to 7 mph becoming east northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 28. Light and variable wind becoming south southwest around 5 mph after midnight.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 37.
Tuesday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 53.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deep River IA
 41.57°N 92.37°W
Last Update:
9:18 pm CST Feb 6, 2026
Forecast Valid:
12am CST Feb 7, 2026-6pm CST Feb 13, 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