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Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 18-May-2026 10:40pm - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Night time, Light rain Night time, Light rain
Currently: 63.7°F, Max: 75.8°F, Min: 61.7°F 63.7°F
Colder 0.2°F than last hour.

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Feels like: 63.7°F

24-hr difference
-10.2°FColder 10.2°F than yesterday at this time.
  Today Yesterday
High: 75.8°F
5:03pm 		80.6°F
6:30pm
Low: 61.7°F
4:30am 		61.1°F
6:38am
Wind from SW SW
2.7
Gust:
 4 mph
1 Bft - Light Air
Today: 25.3 mph 12:15am
Gust Month: 32.0 mph May 15
Rain Today: 1.24 in
Rain Rate (/hr): 0.25 in
Rain Yesterday: 0.18 in
Storm Rain: 1.42 in
This Month: 2.55 in
Season Total: 14.21 in
6 rain days in May.
Tuesday

Tuesday: A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a steady temperature around 60. Breezy, with a northwest wind around 16 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Breezy.
Chance
Showers then
Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 93 %  
Dew Point: 61.6°F Decreased 0.2°F since last hour.
Barometer: 29.841 inHg Rising 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 5:47am
Sunset: 8:28pm
Moonrise: 8:03am
Moonset: 11:19pm
Waxing Crescent
Waxing Crescent, Moon at 2 days in cycle
8%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 6.0 @ 2:07pm
0 W/m2 (0 %)
High: 846 @  2:22pm
 NWS Weather Forecast  - Outlook: Tonight & Tuesday
Tonight

Tonight: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could produce heavy rainfall. Low around 55. Breezy, with a southwest wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Heavy Rain
and Breezy


Lo 55 °F		 NWS forecast: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could produce heavy rainfall. Low around 55. Breezy, with a southwest wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
 
Tuesday

Tuesday: A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a steady temperature around 60. Breezy, with a northwest wind around 16 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Breezy.
Chance
Showers then
Mostly Cloudy

Hi 60 °F		 NWS forecast: A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a steady temperature around 60. Breezy, with a northwest wind around 16 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.