Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

42°F

6°C

Humidity 88%
Wind Speed Calm
Barometer 30.42 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 9 Oct 6:35 am CDT
Extended Forecast for

Hartwick IA

  • Today

    Today: Sunny, with a high near 72. South southeast wind 6 to 10 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am.  Increasing clouds, with a low around 53. South southeast wind around 7 mph.

    Low: 53 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 7am.  Mostly cloudy through mid morning, then gradual clearing, with a high near 77. South southwest wind around 8 mph becoming northwest in the afternoon.

    High: 77 °F

    Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. North wind 3 to 6 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69. Light and variable wind becoming east around 6 mph in the afternoon.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 72. Breezy.

    High: 72 °F

    Slight Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 1am.  Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 72. South southeast wind 6 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Increasing clouds, with a low around 53. South southeast wind around 7 mph.
Friday
A 30 percent chance of showers before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 77. South southwest wind around 8 mph becoming northwest in the afternoon.
Friday Night
Mostly clear, with a low around 41. North wind 3 to 6 mph.
Saturday
Sunny, with a high near 69. Light and variable wind becoming east around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 50.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 72. Breezy.
Sunday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 57.
Columbus Day
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Hartwick IA
 41.79°N 92.37°W
5:32 am CDT Oct 9, 2025
6am CDT Oct 9, 2025-6pm CDT Oct 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database