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Extreme Heat Warning EXTREME HEAT WARNING - Poweshiek County

Regional Infrared Satellite Grinnell Weather Webcam
Updated: @ 29-Jun-2026 11:55am - next update at 12:00am  
Summary / Temperature Wind Rain Outlook
Sunny, Dry Sunny, Dry
Currently: 88.0°F, Max: 88.0°F, Min: 73.7°F 88°F
Warmer 2.1°F than last hour.

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Feels like: 100.7°F

24-hr difference
11.6°FWarmer 11.6°F than yesterday at this time.
  Today Yesterday
High: 88°F
11:54am 		88.9°F
5:11pm
Low: 73.7°F
4:18am 		69.4°F
1:43am
Wind from S S
12.4
Gust:
 14 mph
3 Bft - Moderate Breeze
Today: 24.2 mph 11:42am
Gust Month: 35.0 mph June 6
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 5.01 in
Season Total: 20.03 in
12 rain days in June.
Tonight

Tonight: Increasing clouds, with a low around 75. Windy, with a south wind 13 to 21 mph, with gusts as high as 30 mph.
Increasing
Clouds and
Windy then
Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 73 % Decreased 1.0% since last hour.
Dew Point: 78.3°F Increased 1.7°F since last hour.
Barometer: 29.767 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 5:39am
Sunset: 8:51pm
Moonset: 4:53am
Moonrise: 8:31pm
Full Moon
Full Moon, Moon at 14 days in cycle
100%
Illuminated
UV Index Solar Radiation
   7.0     High 
High: 7.0 @ 11:48am
810 W/m2 (84 %)
High: 824 @  11:53am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Sunny, with a high near 93. Heat index values as high as 106. Windy, with a south wind 18 to 22 mph, with gusts as high as 30 mph.
Sunny and
Windy


Hi 93 °F		 NWS forecast: Sunny, with a high near 93. Heat index values as high as 106. Windy, with a south wind 18 to 22 mph, with gusts as high as 30 mph.
 
Tonight

Tonight: Increasing clouds, with a low around 75. Windy, with a south wind 13 to 21 mph, with gusts as high as 30 mph.
Increasing
Clouds and
Windy then
Partly Cloudy

Lo 75 °F		 NWS forecast: Increasing clouds, with a low around 75. Windy, with a south wind 13 to 21 mph, with gusts as high as 30 mph.