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Grundy County
 Details for Grundy County Extreme Heat Warning

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Extreme Heat Warning EXTREME HEAT WARNING - Grundy County

NWS North Mississippi Valley Regional Radar WU North Central Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 01-Jul-2026 11:40am - next update at 6:00pm  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 90.2, Max: 90.6, Min: 76.0 90.2°F
Warmer 2.4°F than last hour.

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Feels like: 105°F

24-hr difference
0.6°FWarmer 0.6°F than yesterday at this time.
  Today Yesterday
High: 90.6°F
11:34am 		93.5°F
3:06pm
Low: 76.0°F
5:13am 		75.4°F
5:29am
Wind from S S
1.7
Gust:
 0.0 mph
1 Bft - Light Air
Today: 12.0 mph 10:11am
Gust Month: 12.0 mph July 1
Rain Today: 0.00 in
Rain Rate (/hr): 0.000 in
Rain Yesterday: 0.00 in
Storm Rain: 0.00 in
This Month: 0.00 in
Season Total: 27.24 in
6 days since last rain.
Tonight

Tonight: Mostly Clear
Mostly Clear
Humidity & Barometer Almanac Moon
Humidity: 67 % Decreased 5.0% since last hour.
Dew Point: 77.8°F Increased 0.2°F since last hour.
Barometer: 29.930 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 5:23am
Sunset: 8:30pm
Moonset: 6:37am
Moonrise: 9:33pm
Waning Gibbous
Waning Gibbous, Moon at 16 days in cycle
97%
Illuminated
UV Index Solar Radiation
   5.3     Medium 
High: 5.3 @ 11:38am
831 W/m2 (87 %)
High: 831 @  11:39am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: 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, with gusts as high as 25 mph.
 
Tonight

Tonight: Mostly Clear
Mostly Clear

Lo 77 °F		 NWS forecast: Mostly clear, with a low around 77. Heat index values as high as 101. South southwest wind 10 to 15 mph.