National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Partly Cloudy

19°C

67°F

Humidity 76%
Wind Speed E 11 km/h
Barometer 29.81 in
Dewpoint 15°C (59°F)
Visibility 16 km
Last update 14 May 7:55 pm CDT
Extended Forecast for

Sully IA

  • Tonight

    Tonight: Partly cloudy, with a low around 10. East northeast wind 8 to 14 km/h.

    Low: 10 °C

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 23. East northeast wind 10 to 13 km/h becoming south southeast in the afternoon.

    High: 23 °C

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 14. South wind 8 to 11 km/h. Chance of precipitation is 50%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 14 °C

    Chance
    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 23. South southwest wind 13 to 16 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 23 °C

    Showers
    Likely

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 13. South southwest wind 8 to 11 km/h. Chance of precipitation is 20%.

    Low: 13 °C

    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 26. Chance of precipitation is 20%.

    High: 26 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 14. Chance of precipitation is 10%.

    Low: 14 °C

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 29.

    High: 29 °C

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 1am. Mostly clear, with a low around 16.

    Low: 16 °C

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 10. East northeast wind 8 to 14 km/h.
Wednesday
Mostly sunny, with a high near 23. East northeast wind 10 to 13 km/h becoming south southeast in the afternoon.
Wednesday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 14. South wind 8 to 11 km/h. Chance of precipitation is 50%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 23. South southwest wind 13 to 16 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 13. South southwest wind 8 to 11 km/h. Chance of precipitation is 20%.
Friday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 26. Chance of precipitation is 20%.
Friday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 14. Chance of precipitation is 10%.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 29.
Saturday Night
A 30 percent chance of showers before 1am. Mostly clear, with a low around 16.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 28.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 14.
Monday
A 40 percent chance of showers. Mostly sunny, with a high near 26.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 14.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 25. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Sully IA
 41.58°N 92.84°W
Last Update:
6:33 pm CDT May 14, 2024
Forecast Valid:
8pm CDT May 14, 2024-6pm CDT May 21, 2024
 
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Additional Resources

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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