Navigation

External Links

Alerts

Poweshiek County
 Details for Poweshiek County Heat Advisory

Style Options



Widescreen:
|

Heat Advisory HEAT ADVISORY - Poweshiek County

Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 05-Sep-2026 5:05am - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Night time, Humid Night time, Humid
Currently: 72.8°F, Max: 77.9°F, Min: 72.8°F 72.8°F
Colder 1.6°F than last hour.

---

Feels like: 70.2°F

24-hr difference
-3.2°FColder 3.2°F than yesterday at this time.
  Today Yesterday
High: 77.9°F
12:00am 		91.3°F
3:12pm
Low: 72.8°F
5:04am 		74.1°F
6:41am
Calm E
0
Gust:
 0 mph
0 Bft - Calm
Today: 3.5 mph 3:55am
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
6 days since last rain.
Tonight

Tonight: Partly cloudy, with a low around 66. East northeast wind around 7 mph.
Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 91 % Increased 1.0% since last hour.
Dew Point: 70°F Decreased 1.3°F since last hour.
Barometer: 29.91 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
38%
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: Today & Tonight
Today

Today: Sunny, with a high near 90. Heat index values as high as 101. Calm wind becoming east northeast 5 to 7 mph in the morning.
Sunny


Hi 90 °F		 NWS forecast: Sunny, with a high near 90. Heat index values as high as 101. Calm wind becoming east northeast 5 to 7 mph in the morning.
 
Tonight

Tonight: Partly cloudy, with a low around 66. East northeast wind around 7 mph.
Partly Cloudy


Lo 66 °F		 NWS forecast: Partly cloudy, with a low around 66. East northeast wind around 7 mph.