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 Details for Poweshiek County Heat Advisory

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Heat Advisory HEAT ADVISORY - Poweshiek County

Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 04-Sep-2026 11:40pm - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Night time, Humid Night time, Humid
Currently: 78.7°F, Max: 91.3°F, Min: 74.1°F 78.7°F
Colder 0.2°F than last hour.

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Feels like: 81.9°F

24-hr difference
-1.9°FColder 1.9°F than yesterday at this time.
  Today Yesterday
High: 91.3°F
3:12pm 		93.1°F
4:16pm
Low: 74.1°F
6:41am 		75.6°F
4:25am
Calm S
0
Gust:
 0 mph
0 Bft - Calm
Today: 22 mph 2:20pm
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 in
Season Total: 30.66 in
5 days since last rain.
Saturday

Saturday: Sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming east northeast 5 to 8 mph in the morning.
Sunny
Humidity & Barometer Almanac Moon
Humidity: 85 % Decreased 1.0% since last hour.
Dew Point: 73.8°F Decreased 0.6°F since last hour.
Barometer: 29.899 inHg  
Baro Trend: Steady
Sunrise: 6:41am
Sunset: 7:40pm
Moonset: 4:12pm
Moonrise: 11:58pm
Waning Crescent
Waning Crescent, Moon at 23 days in cycle
40%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 5.9 @ 12:32pm
0 W/m2 (0 %)
High: 831 @  12:02pm
 NWS Weather Forecast  - Outlook: Tonight & Saturday
Tonight

Tonight: Mostly clear, with a low around 70. Southeast wind around 5 mph becoming calm after midnight.
Mostly Clear


Lo 70 °F		 NWS forecast: Mostly clear, with a low around 70. Southeast wind around 5 mph becoming calm after midnight.
 
Saturday

Saturday: Sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming east northeast 5 to 8 mph in the morning.
Sunny


Hi 91 °F		 NWS forecast: Sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming east northeast 5 to 8 mph in the morning.