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Flood Watch FLOOD WATCH - Poweshiek County

Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 30-Sep-2026 4:20pm - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Overcast and gloomy, Stopped raining Overcast and gloomy, Stopped raining
Currently: 69.8°F, Max: 69.9°F, Min: 64.3°F 69.8°F
Warmer 0.1°F than last hour.

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Feels like: 64.8°F

24-hr difference
-7.2°FColder 7.2°F than yesterday at this time.
  Today Yesterday
High: 69.9°F
4:09pm 		78.5°F
2:02pm
Low: 64.3°F
10:09am 		54.8°F
5:59am
Wind from SW SW
1.2
Gust:
 1 mph
1 Bft - Light Air
Today: 16.1 mph 6:11am
Gust Month: 36.0 mph September 8
Rain Today: 1.45 in
Rain Rate (/hr): 0.06 in
Rain Yesterday: 0.14 in
Storm Rain: 1.59 in
This Month: 10.04 in
Season Total: 40.7 in
20 rain days in September.
Tonight

Tonight: Showers and possibly a thunderstorm. Low around 63. South wind around 6 mph becoming east after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Showers
Humidity & Barometer Almanac Moon
Humidity: 94 %  
Dew Point: 68°F Increased 0.1°F since last hour.
Barometer: 29.825 inHg  
Baro Trend: Steady
Sunrise: 7:07am
Sunset: 6:55pm
Moonset: 11:52am
Moonrise: 8:20pm
Waning Gibbous
Waning Gibbous, Moon at 19 days in cycle
79%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 1.3 @ 11:04am
53 W/m2 (12 %)
High: 156 @  11:04am
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Showers and possibly a thunderstorm. High near 70. South southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers


Hi 70 °F		 NWS forecast: Showers and possibly a thunderstorm. High near 70. South southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
 
Tonight

Tonight: Showers and possibly a thunderstorm. Low around 63. South wind around 6 mph becoming east after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Showers


Lo 63 °F		 NWS forecast: Showers and possibly a thunderstorm. Low around 63. South wind around 6 mph becoming east after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.