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.

Mostly Cloudy

72°F

22°C

Humidity 78%
Wind Speed SW 18 G 30 mph
Barometer 29.49 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 May 7:55 pm CDT
Extended Forecast for

Grinnell IA

Flood Warning May 21, 08:05pm until May 21, 11:15pm
Click here for hazard details and duration
...
  •  
    Flood Warning May 21, 08:05pm until May 21, 11:15pm

    NOW until 11:15pm Tue

    Flood Warning

  • Tonight

    Low: 50 °F

    Severe
    Thunderstorms
    and Windy
    then Partly
    Cloudy and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 73. West wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. South southwest wind 6 to 8 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. South wind 6 to 8 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. Southeast wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Windy, with a west wind 19 to 24 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 36 mph.
Wednesday
Sunny, with a high near 73. West wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 52. South southwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 79. South wind 6 to 8 mph.
Thursday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. Southeast wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Saturday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 71.
Saturday Night
A 50 percent chance of showers. Partly cloudy, with a low around 53.
Sunday
A 40 percent chance of showers. Mostly sunny, with a high near 73.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 55.
Memorial Day
A 30 percent chance of showers. Mostly sunny, with a high near 74.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 54.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 73.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Grinnell IA
 41.75°N 92.72°W
Last Update:
7:33 pm CDT May 21, 2024
Forecast Valid:
8pm CDT May 21, 2024-6pm CDT May 28, 2024
 
Forecast Discussion
 
Get as KML Get as XML

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