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Grundy County
 Details for Grundy County Heat Advisory

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Heat Advisory HEAT ADVISORY - 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: @ 29-Jun-2026 6:25pm - next update at 6:00pm  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 88.0, Max: 91.3, Min: 76.8 88.0°F
Colder 1.6°F than last hour.

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Feels like: 100°F

24-hr difference
5.3°FWarmer 5.3°F than yesterday at this time.
  Today Yesterday
High: 91.3°F
3:49pm 		85.2°F
4:14pm
Low: 76.8°F
2:30am 		63.9°F
5:01am
Wind from W W
2.9
Gust:
 2.0 mph
2 Bft - Light Air
Today: 19.6 mph 5:00pm
Gust Month: 37.0 mph June 10
Rain Today: 0.00 in
Rain Rate (/hr): 0.000 in
Rain Yesterday: 0.00 in
Storm Rain: 0.00 in
This Month: 11.68 in
Season Total: 27.24 in
15 rain days in June.
Tuesday

Tuesday: Sunny
Sunny
Humidity & Barometer Almanac Moon
Humidity: 71 % Increased 1.0% since last hour.
Dew Point: 77.4°F Decreased 1.1°F since last hour.
Barometer: 29.826 inHg  
Baro Trend: Steady
Sunrise: 5:22am
Sunset: 8:30pm
Moonset: 4:36am
Moonrise: 8:08pm
Full Moon
Full Moon, Moon at 14 days in cycle
100%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 6.9 @ 11:53am
269 W/m2 (88 %)
High: 1146 @  11:53am
 NWS Weather Forecast  - Outlook: Tonight & Tuesday
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 77 °F		 NWS forecast: Partly cloudy, with a low around 77. Heat index values as high as 103. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
 
Tuesday

Tuesday: Sunny
Sunny

Hi 94 °F		 NWS forecast: Sunny, with a high near 94. Heat index values as high as 110. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.