National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Rain and Breezy

36°F

2°C

Humidity 95%
Wind Speed NW 23 G 30 mph
Barometer 29.62 in
Dewpoint 35°F (2°C)
Visibility 4.00 mi
Wind Chill24°F (-4°C)
Last update 9 Jan 1:55 am CST
Extended Forecast for

Grinnell Regional Airport IA

  • Overnight

    Overnight: A 40 percent chance of rain before 5am. Cloudy, with a steady temperature around 35. Breezy, with a northwest wind around 17 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 40. Breezy, with a northwest wind 11 to 16 mph becoming light in the afternoon. Winds could gust as high as 26 mph.

    High: 40 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 28. Calm wind becoming west northwest around 5 mph after midnight.

    Low: 28 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 34. Breezy, with a west northwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 34 °F

    Mostly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 25 mph.

    Low: 17 °F

    Mostly Cloudy
    and Blustery

  • Sunday

    Sunday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of rain before 5am. Cloudy, with a steady temperature around 35. Breezy, with a northwest wind around 17 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 40. Breezy, with a northwest wind 11 to 16 mph becoming light in the afternoon. Winds could gust as high as 26 mph.
Friday Night
Increasing clouds, with a low around 28. Calm wind becoming west northwest around 5 mph after midnight.
Saturday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 34. Breezy, with a west northwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 17. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Partly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
Last Update:
10:52 pm CST Jan 8, 2026
Forecast Valid:
2am CST Jan 9, 2026-6pm CST Jan 15, 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