| National Weather Service Forecast for:
Grinnell IA Issued by: National Weather Service Des Moines, IA |
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| Updated: 9:47 am CDT Jun 18, 2018 | ||||||||||||||||||
| Grinnell | ||||||||||||||||||
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Heat Advisory
Hazardous Weather Outlook
| Today |
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Southwest wind 8 to 11 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
| Tonight |
Showers and thunderstorms, mainly before 4am. Low around 70. Southwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. |
| Tuesday |
Showers and thunderstorms likely, mainly between 7am and 1pm. Mostly cloudy, with a high near 83. South wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
| Tuesday Night |
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northeast wind 5 to 7 mph. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday |
A 30 percent chance of showers and thunderstorms. Cloudy, with a high near 77. East northeast wind 6 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
| Wednesday Night |
Showers and thunderstorms likely, mainly after 1am. Cloudy, with a low around 63. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
| Thursday |
Showers and thunderstorms likely. Cloudy, with a high near 74. Chance of precipitation is 70%. |
| Thursday Night |
Showers and thunderstorms likely. Cloudy, with a low around 63. Chance of precipitation is 70%. |
| Friday |
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. |
| Friday Night |
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. |
| Saturday |
Partly sunny, with a high near 79. |
| Saturday Night |
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. |
| Sunday |
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. |
Forecast from NOAA-NWS for Grinnell IA.