Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Light Rain

37°F

3°C

Humidity 95%
Wind Speed SE 12 mph
Barometer 29.88 in
Dewpoint 36°F (2°C)
Visibility 0.50 mi
Wind Chill29°F (-2°C)
Last update 27 Dec 5:35 am CST
Extended Forecast for

Deep River IA

Dense Fog Advisory December 27, 05:39am until December 27, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 27, 05:39am until December 27, 12:00pm

    NOW until 12:00pm Sat

    Dense Fog Advisory

  • Today

    High: 50 °F

    Dense Fog
    then Cloudy

  • Tonight

    Tonight: A slight chance of rain before 3am, then a chance of rain after 5am.  Patchy fog after 8pm.  Otherwise, cloudy, with a low around 44. Southeast wind 5 to 8 mph becoming west southwest after midnight.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Rain before 1pm, then rain and snow between 1pm and 3pm, then snow, possibly mixed with sleet after 3pm.  Patchy blowing snow after 3pm. Patchy fog before 7am. Temperature falling to around 23 by 5pm. Wind chill values as low as 5. Windy, with a south wind 7 to 12 mph becoming northwest 19 to 29 mph. Winds could gust as high as 43 mph.  Chance of precipitation is 90%. New snow and sleet accumulation of less than a half inch possible.

    High: 45 °F

    Rain and
    Patchy Fog
    then Wintry
    Mix and
    Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow before midnight.  Mostly cloudy, with a low around 10. Wind chill values as low as -10. Windy, with a west northwest wind around 30 mph, with gusts as high as 46 mph.  New snow accumulation of less than a half inch possible.

    Low: 10 °F

    Windy. Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 18. Windy, with a northwest wind 20 to 28 mph, with gusts as high as 41 mph.

    High: 18 °F

    Partly Sunny
    and Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 10. Blustery.

    Low: 10 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Today
Widespread dense fog before noon. Otherwise, cloudy, with a high near 50. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Tonight
A slight chance of rain before 3am, then a chance of rain after 5am. Patchy fog after 8pm. Otherwise, cloudy, with a low around 44. Southeast wind 5 to 8 mph becoming west southwest after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain before 1pm, then rain and snow between 1pm and 3pm, then snow, possibly mixed with sleet after 3pm. Patchy blowing snow after 3pm. Patchy fog before 7am. Temperature falling to around 23 by 5pm. Wind chill values as low as 5. Windy, with a south wind 7 to 12 mph becoming northwest 19 to 29 mph. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than a half inch possible.
Sunday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 10. Wind chill values as low as -10. Windy, with a west northwest wind around 30 mph, with gusts as high as 46 mph. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 18. Windy, with a northwest wind 20 to 28 mph, with gusts as high as 41 mph.
Monday Night
Mostly clear, with a low around 10. Blustery.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 9.
New Year's Day
Sunny, with a high near 17.
Thursday Night
Partly cloudy, with a low around 5.
Friday
Mostly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
Deep River IA
 41.57°N 92.37°W
3:46 am CST Dec 27, 2025
5am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
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Additional Resources

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