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Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 19-Sep-2026 3:15am - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Night time, Humid Night time, Humid
Currently: 72.4°F, Max: 72.4°F, Min: 71.8°F 72.4°F
Warmer 0.5°F than last hour.

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Feels like: 68.5°F

24-hr difference
8.1°FWarmer 8.1°F than yesterday at this time.
  Today Yesterday
High: 72.4°F
3:09am 		72.5°F
11:03pm
Low: 71.8°F
1:39am 		63.8°F
4:48am
Wind from SSE SSE
1.5
Gust:
 3 mph
1 Bft - Light Air
Today: 9.2 mph 12:06am
Gust Month: 36.0 mph September 8
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.02 in
Storm Rain: 0 in
This Month: 4.54 in
Season Total: 35.2 in
9 rain days in September.
Saturday

Saturday: Showers and thunderstorms likely, mainly before 9am. Partly sunny, with a high near 80. Southeast wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Chance
T-storms
Humidity & Barometer Almanac Moon
Humidity: 94 %  
Dew Point: 70.6°F Increased 0.4°F since last hour.
Barometer: 29.883 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 6:56am
Sunset: 7:15pm
Moonrise: 3:46pm
Moonset: 11:18pm
Waxing Gibbous
Waxing Gibbous, Moon at 7 days in cycle
55%
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 & Saturday
Overnight

Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southeast wind around 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms


Lo 67 °F		 NWS forecast: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southeast wind around 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
 
Saturday

Saturday: Showers and thunderstorms likely, mainly before 9am. Partly sunny, with a high near 80. Southeast wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Chance
T-storms

Hi 80 °F		 NWS forecast: Showers and thunderstorms likely, mainly before 9am. Partly sunny, with a high near 80. Southeast wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.