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

33°F

1°C

Humidity 81%
Wind Speed SW 10 mph
Barometer 29.91 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 8 Mar 2:55 am CDT
Extended Forecast for

3 Miles NW Guernsey IA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 34. South southwest wind around 10 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64. Breezy, with a southwest wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 64 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 43. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 29 mph.

    Low: 43 °F

    Clear and
    Breezy

  • Monday

    Monday: Sunny, with a high near 69. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. South southwest wind around 6 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of rain and thunderstorms after 1pm. Mostly sunny, with a high near 69. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Sunny then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 70%.

    Low: 34 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: A chance of rain and snow. Mostly cloudy, with a high near 43. Windy. Chance of precipitation is 50%.

    High: 43 °F

    Chance
    Rain/Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. Blustery.

    Low: 24 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 34. South southwest wind around 10 mph.
Sunday
Sunny, with a high near 64. Breezy, with a southwest wind 14 to 17 mph, with gusts as high as 29 mph.
Sunday Night
Clear, with a low around 43. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 69. South southwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 46. South southwest wind around 6 mph.
Tuesday
A 50 percent chance of rain and thunderstorms after 1pm. Mostly sunny, with a high near 69. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 70%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 43. Windy. Chance of precipitation is 50%.
Wednesday Night
Mostly clear, with a low around 24. Blustery.
Thursday
Partly sunny, with a high near 50. Breezy.
Thursday Night
Mostly cloudy, with a low around 38. Breezy.
Friday
Partly sunny, with a high near 52. Breezy.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Guernsey IA
 41.68°N 92.37°W
Last Update:
12:27 am CST Mar 8, 2026
Forecast Valid:
3am CDT Mar 8, 2026-6pm CDT Mar 14, 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