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Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 08-Aug-2026 11:10pm - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Night time, Dry Night time, Dry
Currently: 65.7°F, Max: 81.4°F, Min: 62.5°F 65.7°F
Colder 1.6°F than last hour.

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Feels like: 65.7°F

24-hr difference
-1.9°FColder 1.9°F than yesterday at this time.
  Today Yesterday
High: 81.4°F
5:20pm 		85.9°F
4:20pm
Low: 62.5°F
6:42am 		64.1°F
6:39am
Calm SE
0
Gust:
 0 mph
0 Bft - Calm
Today: 11.5 mph 11:43am
Gust Month: 26.5 mph August 1
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.02 in
Storm Rain: 0 in
This Month: 1.56 in
Season Total: 27.29 in
5 rain days in August.
Sunday

Sunday: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. Mostly sunny, with a high near 88. South southeast wind 7 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Slight Chance
Showers
Humidity & Barometer Almanac Moon
Humidity: 90 % Increased 3.0% since last hour.
Dew Point: 62.7°F Decreased 0.7°F since last hour.
Barometer: 29.994 inHg Falling 0.02 inHg/hr
Baro Trend: Falling slowly
Sunrise: 6:13am
Sunset: 8:21pm
Moonrise: 2:07am
Moonset: 6:19pm
Waning Crescent
Waning Crescent, Moon at 25 days in cycle
17%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 5.2 @ 12:40pm
0 W/m2 (0 %)
High: 807 @  12:42pm
 NWS Weather Forecast  - Outlook: Tonight & Sunday
Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 66. South southeast wind 5 to 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms


Lo 66 °F		 NWS forecast: A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 66. South southeast wind 5 to 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
 
Sunday

Sunday: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. Mostly sunny, with a high near 88. South southeast wind 7 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Slight Chance
Showers

Hi 88 °F		 NWS forecast: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. Mostly sunny, with a high near 88. South southeast wind 7 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.