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Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 13-Sep-2026 10:15pm - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Night time, Dry Night time, Dry
Currently: 55.1°F, Max: 61.9°F, Min: 53.9°F 55.1°F
Colder 1.2°F than last hour.

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Feels like: 55°F

24-hr difference
-9.5°FColder 9.5°F than yesterday at this time.
  Today Yesterday
High: 61.9°F
12:03am 		78.4°F
4:03pm
Low: 53.9°F
5:14am 		61.7°F
11:56pm
Calm S
0
Gust:
 0 mph
0 Bft - Calm
Today: 16.1 mph 11:29am
Gust Month: 36.0 mph September 8
Rain Today: 0.04 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0.04 in
This Month: 1.84 in
Season Total: 32.5 in
4 rain days in September.
Monday

Monday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, then becoming sunny during the afternoon, with a high near 74. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 28 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 and
Breezy
Humidity & Barometer Almanac Moon
Humidity: 91 % Increased 2.0% since last hour.
Dew Point: 52.5°F Decreased 0.6°F since last hour.
Barometer: 30.221 inHg Rising 0.02 inHg/hr
Baro Trend: Rising slowly
Sunrise: 6:51am
Sunset: 7:24pm
Moonrise: 10:46am
Moonset: 8:13pm
Waxing Crescent
Waxing Crescent, Moon at 3 days in cycle
10%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 4.3 @ 11:45am
0 W/m2 (0 %)
High: 947 @  11:45am
 NWS Weather Forecast  - Outlook: Tonight & Monday
Tonight

Tonight: Mostly cloudy, with a low around 54. East wind 3 to 7 mph.
Mostly Cloudy


Lo 54 °F		 NWS forecast: Mostly cloudy, with a low around 54. East wind 3 to 7 mph.
 
Monday

Monday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, then becoming sunny during the afternoon, with a high near 74. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 28 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 and
Breezy

Hi 74 °F		 NWS forecast: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, then becoming sunny during the afternoon, with a high near 74. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.