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Flood Watch FLOOD WATCH - Poweshiek County

Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 29-Sep-2026 4:50pm - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Overcast and gloomy, Dry Overcast and gloomy, Dry
Currently: 75.3°F, Max: 78.5°F, Min: 54.8°F 75.3°F
Colder 0.6°F than last hour.

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Feels like: 77.5°F

24-hr difference
-0.3°FColder 0.3°F than yesterday at this time.
  Today Yesterday
High: 78.5°F
2:02pm 		77.1°F
3:24pm
Low: 54.8°F
5:59am 		57.7°F
12:00am
Wind from S S
7.1
Gust:
 7 mph
3 Bft - Gentle Breeze
Today: 23 mph 2:15pm
Gust Month: 36.0 mph September 8
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 8.45 in
Season Total: 39.11 in
18 rain days in September.
Tonight

Tonight: Showers likely, then showers and possibly a thunderstorm after 7pm. Low around 63. South wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Humidity & Barometer Almanac Moon
Humidity: 64 %  
Dew Point: 62.3°F Decreased 0.6°F since last hour.
Barometer: 29.858 inHg Rising 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 7:06am
Sunset: 6:56pm
Moonset: 10:37am
Moonrise: 7:47pm
Waning Gibbous
Waning Gibbous, Moon at 18 days in cycle
87%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 4.3 @ 11:40am
33 W/m2 (9 %)
High: 821 @  1:59pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: A 50 percent chance of showers. Mostly cloudy, with a steady temperature around 71. South wind around 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers

Hi 71 °F		 NWS forecast: A 50 percent chance of showers. Mostly cloudy, with a steady temperature around 71. South wind around 9 mph. New precipitation amounts of less than a tenth of an inch possible.
 
Tonight

Tonight: Showers likely, then showers and possibly a thunderstorm after 7pm. Low around 63. South wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers

Lo 63 °F		 NWS forecast: Showers likely, then showers and possibly a thunderstorm after 7pm. Low around 63. South wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.