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Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 08-Sep-2026 5:50am - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Night time, Dry Night time, Dry
Currently: 65.9°F, Max: 70.2°F, Min: 65.8°F 65.9°F
Colder 1.0°F than last hour.

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Feels like: 65.9°F

24-hr difference
-1.3°FColder 1.3°F than yesterday at this time.
  Today Yesterday
High: 70.2°F
12:29am 		80.8°F
4:30pm
Low: 65.8°F
5:45am 		65.8°F
6:42am
Wind from S S
2.2
Gust:
 2 mph
1 Bft - Light Air
Today: 11.5 mph 12:16am
Gust Month: 22.0 mph September 4
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 0.01 in
Season Total: 30.67 in
1 rain day in September.
Tonight

Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 9pm. Some of the storms could produce heavy rainfall. Low around 68. West northwest wind around 6 mph becoming southeast in the evening. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain
Humidity & Barometer Almanac Moon
Humidity: 82 % Increased 2.0% since last hour.
Dew Point: 60.2°F Decreased 0.3°F since last hour.
Barometer: 30.024 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 6:44am
Sunset: 7:35pm
Moonrise: 3:37am
Moonset: 6:17pm
Waning Crescent
Waning Crescent, Moon at 26 days in cycle
9%
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: Today & Tonight
Today

Today: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 90. South wind 8 to 11 mph. Chance of precipitation is 20%.
Slight Chance
Showers then
Slight Chance
T-storms

Hi 90 °F		 NWS forecast: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 90. South wind 8 to 11 mph. Chance of precipitation is 20%.
 
Tonight

Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 9pm. Some of the storms could produce heavy rainfall. Low around 68. West northwest wind around 6 mph becoming southeast in the evening. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain


Lo 68 °F		 NWS forecast: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 9pm. Some of the storms could produce heavy rainfall. Low around 68. West northwest wind around 6 mph becoming southeast in the evening. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.