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Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 21-Sep-2026 4:25pm - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Overcast and gloomy, Humid Overcast and gloomy, Humid
Currently: 59.6°F, Max: 60.7°F, Min: 56.2°F 59.6°F
Colder 0.9°F than last hour.

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Feels like: 59°F

24-hr difference
-4.2°FColder 4.2°F than yesterday at this time.
  Today Yesterday
High: 60.7°F
3:33pm 		70.3°F
12:13am
Low: 56.2°F
6:18am 		60°F
9:07pm
Wind from ENE ENE
5.5
Gust:
 5 mph
3 Bft - Light Breeze
Today: 19.6 mph 2:48am
Gust Month: 36.0 mph September 8
Rain Today: 0.08 in
Rain Rate (/hr): 0 in
Rain Yesterday: 1.43 in
Storm Rain: 0.08 in
This Month: 6.46 in
Season Total: 37.12 in
12 rain days in September.
Tonight

Tonight: Showers and possibly a thunderstorm before 10pm, then showers likely. Patchy fog. Low around 51. East northeast wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers and
Patchy Fog
then Chance
Showers and
Patchy Fog
Humidity & Barometer Almanac Moon
Humidity: 92 %  
Dew Point: 57.3°F Decreased 0.8°F since last hour.
Barometer: 30.137 inHg  
Baro Trend: Steady
Sunrise: 6:58am
Sunset: 7:12pm
Moonset: 1:20am
Moonrise: 4:59pm
Waxing Gibbous
Waxing Gibbous, Moon at 10 days in cycle
77%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 2.3 @ 1:06pm
54 W/m2 (11 %)
High: 295 @  1:06pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Showers likely, mainly after 5pm. Patchy fog. Otherwise, cloudy, with a high near 60. North northeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely and
Patchy Fog


Hi 60 °F		 NWS forecast: Showers likely, mainly after 5pm. Patchy fog. Otherwise, cloudy, with a high near 60. North northeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
 
Tonight

Tonight: Showers and possibly a thunderstorm before 10pm, then showers likely. Patchy fog. Low around 51. East northeast wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers and
Patchy Fog
then Chance
Showers and
Patchy Fog

Lo 51 °F		 NWS forecast: Showers and possibly a thunderstorm before 10pm, then showers likely. Patchy fog. Low around 51. East northeast wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.