Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

67°F

19°C

Humidity 73%
Wind Speed S 10 mph
Barometer 29.93 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 13 Jun 12:15 am CDT
Extended Forecast for

5 Miles W Barnes City IA

  • Overnight

    Overnight: Mostly clear, with a low around 59. South wind 6 to 8 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm.  Increasing clouds, with a high near 82. South wind around 6 mph becoming northwest in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 1am.  Mostly cloudy during the early evening, then gradual clearing, with a low around 53. North wind around 8 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 71. North northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 78.

    High: 78 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 59. South wind 6 to 8 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 82. South wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy during the early evening, then gradual clearing, with a low around 53. North wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 71. North northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 50. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 54.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Partly cloudy, with a low around 58.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 56.
Juneteenth
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Barnes City IA
 41.51°N 92.55°W
10:17 pm CDT Jun 12, 2026
12am CDT Jun 13, 2026-6pm CDT Jun 19, 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