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Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 18-Sep-2026 3:45am - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Night time, Stopped raining Night time, Stopped raining
Currently: 64.3°F, Max: 66.4°F, Min: 64.2°F 64.3°F
Colder 0.3°F than last hour.

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Feels like: 64.2°F

24-hr difference
-2.5°FColder 2.5°F than yesterday at this time.
  Today Yesterday
High: 66.4°F
12:00am 		77.3°F
2:29pm
Low: 64.2°F
3:39am 		66°F
11:00pm
Wind from ENE ENE
5
Gust:
 6 mph
2 Bft - Light Breeze
Today: 17.3 mph 1:56am
Gust Month: 36.0 mph September 8
Rain Today: 0.01 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.01 in
Storm Rain: 0 in
This Month: 4.53 in
Season Total: 35.19 in
9 rain days in September.
Friday

Friday: Showers and thunderstorms likely, mainly before 10am. Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 76. East wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely and
Patchy Fog
then Mostly
Cloudy
Humidity & Barometer Almanac Moon
Humidity: 93 %  
Dew Point: 62.2°F Decreased 0.3°F since last hour.
Barometer: 30.21 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 6:55am
Sunset: 7:17pm
Moonrise: 2:57pm
Moonset: 10:27pm
Waxing Crescent
Waxing Crescent, Moon at 6 days in cycle
45%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 12:00am
0 W/m2 (0 %)
High: 0 @  12:00am
 NWS Weather Forecast  - Outlook: Overnight & Friday
Overnight

Overnight: A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. East northeast wind around 9 mph, with gusts as high as 18 mph.
Slight Chance
T-storms


Lo 63 °F		 NWS forecast: A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. East northeast wind around 9 mph, with gusts as high as 18 mph.
 
Friday

Friday: Showers and thunderstorms likely, mainly before 10am. Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 76. East wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely and
Patchy Fog
then Mostly
Cloudy

Hi 76 °F		 NWS forecast: Showers and thunderstorms likely, mainly before 10am. Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 76. East wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.