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.

Overcast and Breezy

60°F

16°C

Humidity 85%
Wind Speed W 23 G 33 mph
Barometer 29.64 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 May 10:55 pm CDT
Extended Forecast for

4 Miles NNW Hartwick IA

Flood Warning May 21, 11:05pm until May 22, 09:00am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning May 21, 11:05pm until May 22, 09:00am

    NOW until 9:00am Wed

    Flood Warning

  • Tonight

    Low: 50 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. West wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. South southwest wind 5 to 7 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. South wind 3 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 around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    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 80. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °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 20 percent chance of showers after 1pm. Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. Breezy, with a west wind 14 to 20 mph, with gusts as high as 33 mph.
Wednesday
Mostly sunny, with a high near 74. West wind 11 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 51. South southwest wind 5 to 7 mph.
Thursday
Sunny, with a high near 79. South wind 3 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 around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. 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 20 percent chance of showers after 1pm. Mostly sunny, with a high near 72.
Saturday Night
A 50 percent chance of showers. Partly cloudy, with a low around 52.
Sunday
A 40 percent chance of showers. Mostly sunny, with a high near 74.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 54.
Memorial Day
A 30 percent chance of showers. Mostly sunny, with a high near 76.
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 74.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Hartwick IA
 41.83°N 92.39°W
Last Update:
8:04 pm CDT May 21, 2024
Forecast Valid:
11pm CDT May 21, 2024-6pm CDT May 28, 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