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.

Fair

64°F

18°C

Humidity 56%
Wind Speed S 7 mph
Barometer 29.69 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 16 Jun 9:35 pm CDT
Extended Forecast for

Gilman IA

  • Tonight

    Tonight: A chance of showers, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 57. Southwest wind 5 to 11 mph becoming south southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms after 9am. Mostly cloudy, with a high near 82. Windy, with a southeast wind 11 to 21 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Showers
    Likely and
    Breezy then
    Chance
    T-storms and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Windy, with a west northwest wind 19 to 24 mph decreasing to 11 to 16 mph in the evening. Winds could gust as high as 37 mph.

    Low: 57 °F

    Mostly Clear
    and Windy
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 75. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 57. Southwest wind 5 to 11 mph becoming south southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms after 9am. Mostly cloudy, with a high near 82. Windy, with a southeast wind 11 to 21 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Mostly clear, with a low around 57. Windy, with a west northwest wind 19 to 24 mph decreasing to 11 to 16 mph in the evening. Winds could gust as high as 37 mph.
Thursday
Mostly sunny, with a high near 75. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 53. Northwest wind 5 to 7 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 79.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gilman IA
 41.88°N 92.8°W
Last Update:
9:37 pm CDT Jun 16, 2026
Forecast Valid:
9pm CDT Jun 16, 2026-6pm CDT Jun 23, 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