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Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 12-Aug-2026 11:55am - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Overcast and gloomy, Stopped raining Overcast and gloomy, Stopped raining
Currently: 71.0°F, Max: 79.5°F, Min: 70.5°F 71°F
Warmer 0.2°F than last hour.

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Feels like: 66.8°F

24-hr difference
-11.9°FColder 11.9°F than yesterday at this time.
  Today Yesterday
High: 79.5°F
1:46am 		89.7°F
4:40pm
Low: 70.5°F
11:13am 		71.8°F
6:00am
Wind from ENE ENE
4.2
Gust:
 3 mph
2 Bft - Light Breeze
Today: 20 mph 6:45am
Gust Month: 26.5 mph August 1
Rain Today: 0.04 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.71 in
Storm Rain: 0.04 in
This Month: 2.36 in
Season Total: 28.09 in
8 rain days in August.
Tonight

Tonight: A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 68. East wind around 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Partly Cloudy
then Chance
T-storms
Humidity & Barometer Almanac Moon
Humidity: 93 %  
Dew Point: 68.9°F Increased 0.2°F since last hour.
Barometer: 29.801 inHg Rising 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 6:16am
Sunset: 8:17pm
Moonrise: 5:58am
Moonset: 7:48pm
New Moon
New Moon, Moon at 29 days in cycle
0%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 12:00am
47 W/m2 (5 %)
High: 86 @  8:03am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Showers likely and possibly a thunderstorm before noon, then a slight chance of showers and thunderstorms between noon and 1pm. Partly sunny, with a high near 86. East northeast wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely


Hi 86 °F		 NWS forecast: Showers likely and possibly a thunderstorm before noon, then a slight chance of showers and thunderstorms between noon and 1pm. Partly sunny, with a high near 86. East northeast wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
 
Tonight

Tonight: A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 68. East wind around 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Partly Cloudy
then Chance
T-storms

Lo 68 °F		 NWS forecast: A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 68. East wind around 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.