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Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 09-Sep-2026 4:35am - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Night time, Drizzle Night time, Drizzle
Currently: 69.0°F, Max: 71.5°F, Min: 68.9°F 69°F
Colder 0.2°F than last hour.

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Feels like: 63.9°F

24-hr difference
2.1°FWarmer 2.1°F than yesterday at this time.
  Today Yesterday
High: 71.5°F
12:09am 		92.1°F
4:40pm
Low: 68.9°F
3:50am 		65.8°F
5:45am
Wind from S S
7.1
Gust:
 6 mph
2 Bft - Gentle Breeze
Today: 19.6 mph 3:36am
Gust Month: 36.0 mph September 8
Rain Today: 0.59 in
Rain Rate (/hr): 0.09 in
Rain Yesterday: 1.43 in
Storm Rain: 2.02 in
This Month: 2.03 in
Season Total: 32.69 in
3 rain days in September.
Wednesday

Wednesday: A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and 10am. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, with a high near 82. Southwest wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms and
Patchy Fog
then Partly
Sunny
Humidity & Barometer Almanac Moon
Humidity: 94 %  
Dew Point: 67.2°F Decreased 0.2°F since last hour.
Barometer: 30.007 inHg Falling 0.02 inHg/hr
Baro Trend: Falling slowly
Sunrise: 6:45am
Sunset: 7:33pm
Moonrise: 4:53am
Moonset: 6:44pm
Waning Crescent
Waning Crescent, Moon at 27 days in cycle
4%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 12:00am
0 W/m2 (0 %)
High: 0 @  12:00am
 NWS Weather Forecast  - Outlook: Overnight & Wednesday
Overnight

Overnight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 69. South southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Heavy Rain



Lo 69 °F		 NWS forecast: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 69. South southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
 
Wednesday

Wednesday: A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and 10am. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, with a high near 82. Southwest wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms and
Patchy Fog
then Partly
Sunny

Hi 82 °F		 NWS forecast: A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and 10am. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, with a high near 82. Southwest wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.