National Weather Service Forecast for: Grinnell, IA
Issued by: National Weather Service Des Moines/Johnston, IA
Updated: Thu, 18-Aug-2022 10:04am CDT
Grinnell
 
Today

Today: Mostly Sunny
Mostly Sunny
Friday

Friday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Saturday

Saturday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
 
Hi 83 °F ↓ Hi 81 °F ↓ Hi 75 °F Hi 77 °F Hi 80 °F Hi 82 °F Hi 82 °F  
 
Tonight

Tonight: Partly Cloudy then Showers And Thunderstorms Likely
Partly Cloudy then Showers And T-Storms Likely
Friday
Night
Friday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Saturday
Night
Saturday Night: Showers And Thunderstorms Likely then Partly Cloudy
Showers And T-Storms Likely then Partly Cloudy
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Partly Cloudy
Partly Cloudy
Wednesday
Night
Wednesday Night: Partly Cloudy
Partly Cloudy
 
Lo 64 °F Lo 61 °F ↑ Lo 59 °F Lo 59 °F Lo 59 °F Lo 60 °F Lo 60 °F  

 

Today
 
Mostly sunny. High near 83, with temperatures falling to around 81 in the afternoon. West southwest wind 5 to 8 mph.
Tonight
 
Showers and thunderstorms likely after 3am. Partly cloudy, with a low around 64. South southwest wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Friday
 
Showers and thunderstorms likely. Partly sunny. High near 81, with temperatures falling to around 74 in the afternoon. South southwest wind 7 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday Night
 
Showers and thunderstorms likely before 10pm, then showers and thunderstorms likely between 10pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 61, with temperatures rising to around 63 overnight. South southwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
 
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 75. West southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
 
Showers and thunderstorms likely before 7pm. Partly cloudy, with a low around 59. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday
 
Mostly sunny, with a high near 77.
Sunday Night
 
Mostly clear, with a low around 59.
Monday
 
Sunny, with a high near 80.
Monday Night
 
Mostly clear, with a low around 59.
Tuesday
 
Sunny, with a high near 82.
Tuesday Night
 
Partly cloudy, with a low around 60.
Wednesday
 
Sunny, with a high near 82.
Wednesday Night
 
Partly cloudy, with a low around 60.

 

Forecast from NOAA-NWS for Grinnell, IA.