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Grinnell, IA Weather Forecast and Current Conditions (50112)

Partly Cloudy 89°F
Feels Like 93°F  
Humidity 50% Dew Point 68°F Wind Calm 0 MPH Gusts 3 Barometer 30.09 in.764.3 mm
Solar Rad 100 w/m2
Report from 1.8 miles S of central Grinnell at

Current Weather  

Partly Cloudy 89°F
Feels Like 93°F  
Humidity 50% Dew Point 68°F Wind Calm 0 MPH Gusts 3 Barometer 30.09 in.764.3 mm
Solar Rad 100 w/m2
Report from 1.8 miles S of central Grinnell at

Forecast at a Glance

TueSep 16
Tue Sep 16: Thunderstorms, High 89°F, Low 62°F
60%
89°
62°
WedSep 17
Wed Sep 17: Thunderstorms, High 86°F, Low 61°F
30%
86°
61°
ThuSep 18
Thu Sep 18: Thunderstorms, High 86°F, Low 62°F
20%
86°
62°
FriSep 19
Fri Sep 19: Thunderstorms, High 77°F, Low 59°F
50%
77°
59°
SatSep 20
Sat Sep 20: Thunderstorms, High 81°F, Low 62°F
40%
81°
62°
SunSep 21
Sun Sep 21: Thunderstorms, High 80°F, Low 61°F
30%
80°
61°
MonSep 22
Mon Sep 22: Thunderstorms, High 80°F, Low 56°F
40%
80°
56°


This Date in Weather History

1961 - Hurricane Esther was seeded by Navy planes in the inaugural experiment of what was to formally become Project STORMFURY next year. Esther was the first hurricane to be initially detected by satellite. On Sept. 10th, TIROS III imaged an area of disturbed weather a hundred miles southwest of the Cabo Verde Islands.

More on this and other weather history


Grinnell 7 Day Weather Forecast Details

Tuesday Sep 16

Thunderstorms

Day: Showers and thunderstorms likely. Partly sunny. High near 89, with temperatures falling to around 86 in the afternoon. East southeast wind around 2 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Thunderstorms

Night: Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Partly cloudy. Low around 62, with temperatures rising to around 65 overnight. Southeast wind around 2 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Wednesday Sep 17

Thunderstorms

Day: A slight chance of rain showers between 7am and 10am, then a slight chance of showers and thunderstorms between 10am and noon, then a chance of showers and thunderstorms between noon and 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny. High near 86, with temperatures falling to around 84 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.

Thunderstorms

Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy. Low around 61, with temperatures rising to around 63 overnight. Southeast wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday Sep 18

Thunderstorms

Day: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southeast wind 2 to 6 mph. Chance of precipitation is 20%.

Thunderstorms

Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Friday Sep 19

Thunderstorms

Day: A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 50%.

Thunderstorms

Night: A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 50%.

Saturday Sep 20

Thunderstorms

Day: A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 40%.

Thunderstorms

Night: A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

Sunday Sep 21

Thunderstorms

Day: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 30%.

Thunderstorms

Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 40%.

Monday Sep 22

Thunderstorms

Day: A chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 40%.

Thunderstorms

Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 56.

Sun & Moon   Monthly

First Light 6:25 AM

Sunrise 6:53 AM

Sunset 7:20 PM

Last Light 7:48 PM

Moonrise 12:56 AM

Moonset 5:01 PM

Moon Phase

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Contiguous United States Extremes

Mon's High Temperature
110 at Death Valley, CA

Tue's Low Temperature
21 at 14 Miles West-southwest Of Mackay, ID


Weather Folklore

Long foretold, long last; Short notice, soon passed.


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About Grinnell, Iowa

Grinnell ( grin-EL) is a city in Poweshiek County, Iowa, United States. The population was 9,564 at the time of the 2020 census. It is best known for being the home of Grinnell College, a liberal arts college.

Content from Wikipedia, licensed under CC BY-SA 3.0.