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

38°F

3°C

Humidity 74%
Wind Speed Calm
Barometer 29.68 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 8 Jan 5:15 am CST
Extended Forecast for

2 Miles SE Deep River IA

  • Today

    Today: Rain, with thunderstorms also possible after 3pm. High near 49. South southeast wind 7 to 13 mph becoming north northeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 49 °F

    Rain Likely
    then Rain

  • Tonight

    Tonight: Rain likely, mainly before 7pm. Cloudy, with a low around 34. Northwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 42. North wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 28. North wind around 7 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A 40 percent chance of snow. Partly sunny, with a high near 34. Breezy, with a northwest wind 8 to 16 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17. Blustery.

    Low: 17 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

Today
Rain, with thunderstorms also possible after 3pm. High near 49. South southeast wind 7 to 13 mph becoming north northeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tonight
Rain likely, mainly before 7pm. Cloudy, with a low around 34. Northwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, with a high near 42. North wind 7 to 13 mph, with gusts as high as 23 mph.
Friday Night
A chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 28. North wind around 7 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 34. Breezy, with a northwest wind 8 to 16 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17. Blustery.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Partly sunny, with a high near 34.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Deep River IA
 41.57°N 92.34°W
Last Update:
3:16 am CST Jan 8, 2026
Forecast Valid:
5am CST Jan 8, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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