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Grundy Co
 Details for Grundy Co Extreme Heat Warning
Extreme Heat Warning EXTREME HEAT WARNING - Grundy Co

NWS Central Great Lakes Regional Radar WU Central Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 01-Jul-2026 12:15pm - next update at 12:20pm  
Summary / Temperature Wind Rain Outlook
Sunny, Dry Sunny, Dry
Currently: 93.1°F, Max: 93.6°F, Min: 77.9°F 93.1°F
Warmer 2.8°F than last hour.

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Feels like: 109°F

24-hr difference
0.7°FWarmer 0.7°F than yesterday at this time.
  Today Yesterday
High: 93.6°F
12:10pm 		95.9°F
3:14pm
Low: 77.9°F
7:00am 		76.6°F
5:50am
Wind from W W
1.4
Gust:
 2 mph
1 Bft - Light Air
Today: 8.1 mph 7:04am
Gust Month: 8.0 mph July 1
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 0 in
Season Total: 24.598 in
0 day since last rain.
Tonight

Tonight: Mostly Clear
Mostly Clear
Humidity & Barometer Almanac Moon
Humidity: 61 % Decreased 4.0% since last hour.
Dew Point: 77.7°F Increased 0.7°F since last hour.
Barometer: 29.938 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 5:23am
Sunset: 8:29pm
Moonset: 6:38am
Moonrise: 9:33pm
Waning Gibbous
Waning Gibbous, Moon at 16 days in cycle
97%
Illuminated
UV Index Solar Radiation
   8.0     Very High 
High: 8.0 @ 12:09pm
932 W/m2 (98 %)
High: 937 @  12:12pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Sunny
Sunny

Hi 93 °F		 NWS forecast: Sunny, with a high near 93. Heat index values as high as 105. Southwest wind 10 to 15 mph.
Davis VP+ forecast: Increasing clouds with little temp change.
 
Tonight

Tonight: Mostly Clear
Mostly Clear

Lo 77 °F		 NWS forecast: Mostly clear, with a low around 77. Heat index values as high as 102. South southwest wind 5 to 15 mph.