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Flood Watch FLOOD WATCH - Poweshiek County

Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 15-Sep-2026 3:15am - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Night time, Drizzle Night time, Drizzle
Currently: 70.3°F, Max: 71.6°F, Min: 69.1°F 70.3°F
 

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Feels like: 66.3°F

24-hr difference
13.7°FWarmer 13.7°F than yesterday at this time.
  Today Yesterday
High: 71.6°F
1:43am 		73.6°F
3:37pm
Low: 69.1°F
12:21am 		54.1°F
12:24am
Wind from S S
9.4
Gust:
 9 mph
3 Bft - Gentle Breeze
Today: 26.5 mph 1:38am
Gust Month: 36.0 mph September 8
Rain Today: 0.33 in
Rain Rate (/hr): 0.04 in
Rain Yesterday: 0.44 in
Storm Rain: 0.77 in
This Month: 2.61 in
Season Total: 33.27 in
6 rain days in September.
Tuesday

Tuesday: Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 4pm. High near 73. Southwest wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Showers then
Chance
Showers
Humidity & Barometer Almanac Moon
Humidity: 92 %  
Dew Point: 67.9°F  
Barometer: 29.923 inHg Rising 0.03 inHg/hr
Baro Trend: Rising
Sunrise: 6:52am
Sunset: 7:22pm
Moonrise: 11:53am
Moonset: 8:39pm
Waxing Crescent
Waxing Crescent, Moon at 4 days in cycle
19%
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 & Tuesday
Overnight

Overnight: Showers and possibly a thunderstorm. Steady temperature around 70. South southwest wind 9 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers


Lo 70 °F		 NWS forecast: Showers and possibly a thunderstorm. Steady temperature around 70. South southwest wind 9 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
 
Tuesday

Tuesday: Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 4pm. High near 73. Southwest wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Showers then
Chance
Showers

Hi 73 °F		 NWS forecast: Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 4pm. High near 73. Southwest wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.