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

71°F

22°C

Humidity 61%
Wind Speed SE 5 mph
Barometer 30.04 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 31 May 8:35 pm CDT
Extended Forecast for

Sully IA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 9pm and 3am. Mostly cloudy, with a low around 61. South southeast wind 5 to 9 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly cloudy, with a high near 79. East southeast wind around 6 mph becoming west northwest in the afternoon.

    High: 79 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. Northwest wind around 6 mph becoming light and variable in the evening.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South southeast wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South southeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    T-storms
    Likely

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 9pm and 3am. Mostly cloudy, with a low around 61. South southeast wind 5 to 9 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 79. East southeast wind around 6 mph becoming west northwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 59. Northwest wind around 6 mph becoming light and variable in the evening.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South southeast wind 6 to 14 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South southeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85.
Tuesday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of showers before 1pm. Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 80. Breezy.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Sully IA
 41.58°N 92.84°W
Last Update:
7:05 pm CDT May 31, 2024
Forecast Valid:
8pm CDT May 31, 2024-6pm CDT Jun 7, 2024
 
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