Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

34°F

1°C

Humidity 59%
Wind Speed N 15 mph
Barometer 30.38 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 27 Mar 3:35 am CDT
Extended Forecast for

3 Miles NNW Hartwick IA

Fire Weather Watch March 28, 10:00am until March 28, 09:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 36. North wind around 14 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 48. Breezy, with a north northwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 48 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Clear, with a low around 23. Northwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 24 mph.

    Low: 23 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 55. Windy, with a south wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 55 °F

    Sunny then
    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. Breezy, with a south wind 10 to 16 mph, with gusts as high as 28 mph.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 36. North wind around 14 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 48. Breezy, with a north northwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Clear, with a low around 23. Northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Saturday
Sunny, with a high near 55. Windy, with a south wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
Partly cloudy, with a low around 39. Breezy, with a south wind 10 to 16 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 46.
Monday
Mostly sunny, with a high near 78.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Tuesday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 79. Breezy.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Breezy.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 60. Breezy.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 36.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 49.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
3:16 am CDT Mar 27, 2026
3am CDT Mar 27, 2026-6pm CDT Apr 2, 2026
 
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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