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Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 20-Sep-2026 4:45pm - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Overcast and gloomy, Humid Overcast and gloomy, Humid
Currently: 63.5°F, Max: 70.3°F, Min: 63.4°F 63.5°F
Colder 0.1°F than last hour.

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Feels like: 63.4°F

24-hr difference
-12.6°FColder 12.6°F than yesterday at this time.
  Today Yesterday
High: 70.3°F
12:13am 		80°F
3:07pm
Low: 63.4°F
4:42pm 		67.1°F
9:52am
Wind from ENE ENE
10
Gust:
 8 mph
4 Bft - Gentle Breeze
Today: 23 mph 10:45am
Gust Month: 36.0 mph September 8
Rain Today: 1.43 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.41 in
Storm Rain: 1.83 in
This Month: 6.38 in
Season Total: 37.04 in
11 rain days in September.
Tonight

Tonight: A slight chance of drizzle before 7pm, then a chance of showers after 1am. Patchy fog before 9pm. Otherwise, cloudy, with a low around 55. East northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers and
Patchy Fog
Humidity & Barometer Almanac Moon
Humidity: 88 % Decreased 1.0% since last hour.
Dew Point: 59.9°F Decreased 0.4°F since last hour.
Barometer: 30.029 inHg Rising 0.02 inHg/hr
Baro Trend: Rising slowly
Sunrise: 6:57am
Sunset: 7:14pm
Moonset: 12:17am
Moonrise: 4:26pm
Waxing Gibbous
Waxing Gibbous, Moon at 9 days in cycle
69%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 2.6 @ 12:40pm
51 W/m2 (12 %)
High: 313 @  12:40pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: A slight chance of drizzle. Patchy fog. Otherwise, cloudy, with a high near 65. Northeast wind around 13 mph, with gusts as high as 22 mph.
Slight Chance
Drizzle and
Patchy Fog

Hi 65 °F		 NWS forecast: A slight chance of drizzle. Patchy fog. Otherwise, cloudy, with a high near 65. Northeast wind around 13 mph, with gusts as high as 22 mph.
 
Tonight

Tonight: A slight chance of drizzle before 7pm, then a chance of showers after 1am. Patchy fog before 9pm. Otherwise, cloudy, with a low around 55. East northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers and
Patchy Fog

Lo 55 °F		 NWS forecast: A slight chance of drizzle before 7pm, then a chance of showers after 1am. Patchy fog before 9pm. Otherwise, cloudy, with a low around 55. East northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.