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.

Light Snow and Breezy

23°F

-5°C

Humidity 80%
Wind Speed NW 25 G 30 mph
Barometer 30.27 in
Dewpoint 17°F (-8°C)
Visibility 5.00 mi
Wind Chill7°F (-14°C)
Last update 10 Jan 11:55 pm CST
Extended Forecast for

Deep River IA

  • Overnight

    Overnight: A chance of flurries before 3am. Cloudy, then gradually becoming partly cloudy, with a low around 20. Wind chill values as low as 5. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 39 mph.

    Low: 20 °F

    Chance
    Flurries and
    Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 33. Wind chill values as low as 5. Northwest wind 8 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 27. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 45. West wind around 8 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 32. Breezy.

    High: 32 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of flurries before 3am. Cloudy, then gradually becoming partly cloudy, with a low around 20. Wind chill values as low as 5. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 39 mph.
Sunday
Mostly sunny, with a high near 33. Wind chill values as low as 5. Northwest wind 8 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Increasing clouds, with a low around 27. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 45. West wind around 8 mph.
Monday Night
Mostly cloudy, with a low around 34. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 32. Breezy.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Partly sunny, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 35. Breezy.
Friday Night
Mostly cloudy, with a low around 16. Blustery.
Saturday
Partly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deep River IA
 41.57°N 92.34°W
Last Update:
11:43 pm CST Jan 10, 2026
Forecast Valid:
12am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation