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Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 06-Aug-2026 5:30pm - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Partly cloudy, Dry Partly cloudy, Dry
Currently: 79.9°F, Max: 81.5°F, Min: 65.9°F 79.9°F
Warmer 0.3°F than last hour.

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Feels like: 83.3°F

24-hr difference
10.3°FWarmer 10.3°F than yesterday at this time.
  Today Yesterday
High: 81.5°F
4:45pm 		71.3°F
4:16pm
Low: 65.9°F
12:00am 		62.3°F
12:23pm
Wind from E E
3.2
Gust:
 2 mph
0 Bft - Light Breeze
Today: 8.1 mph 8:27am
Gust Month: 26.5 mph August 1
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.89 in
Storm Rain: 0 in
This Month: 1.54 in
Season Total: 27.27 in
4 rain days in August.
Friday

Friday: A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 85. Southwest wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Patchy Fog
then Chance
T-storms
Humidity & Barometer Almanac Moon
Humidity: 75 % Increased 1.0% since last hour.
Dew Point: 71.3°F Increased 0.7°F since last hour.
Barometer: 30.031 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 6:10am
Sunset: 8:25pm
Moonset: 2:55pm
Moonrise: 11:39pm
Waning Crescent
Waning Crescent, Moon at 23 days in cycle
41%
Illuminated
UV Index Solar Radiation
   2.0     Low 
High: 5.7 @ 3:00pm
503 W/m2 (96 %)
High: 1005 @  3:00pm
 NWS Weather Forecast  - Outlook: Tonight & Friday
Tonight

Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 63. South southeast wind around 5 mph becoming calm in the evening.
Mostly Clear
then Patchy
Fog

Lo 63 °F		 NWS forecast: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 63. South southeast wind around 5 mph becoming calm in the evening.
 
Friday

Friday: A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 85. Southwest wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Patchy Fog
then Chance
T-storms

Hi 85 °F		 NWS forecast: A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 85. Southwest wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.