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 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: @ 02-Jul-2026 11:50am - next update at 6:00pm  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 90.9, Max: 91.0, Min: 74.4 90.9°F
Warmer 1.3°F than last hour.

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Feels like: 107°F

24-hr difference
0.8°FWarmer 0.8°F than yesterday at this time.
  Today Yesterday
High: 91.0°F
11:40am 		93.8°F
3:24pm
Low: 74.4°F
4:45am 		76.0°F
5:13am
Wind from SSW SSW
1.1
Gust:
 0.0 mph
0 Bft - Light Air
Today: 8.1 mph 8:42am
Gust Month: 14.0 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
7 days since last rain.
Tonight

Tonight: Partly Cloudy then Chance Showers And Thunderstorms
Partly Cloudy then Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 67 % Decreased 2.0% since last hour.
Dew Point: 78.4°F Increased 0.3°F since last hour.
Barometer: 30.006 inHg  
Baro Trend: Steady
Sunrise: 5:24am
Sunset: 8:30pm
Moonset: 7:42am
Moonrise: 10:05pm
Waning Gibbous
Waning Gibbous, Moon at 17 days in cycle
93%
Illuminated
UV Index Solar Radiation
   2.9     Low 
High: 5.3 @ 11:47am
274 W/m2 (28 %)
High: 914 @  11:47am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Sunny
Sunny

Hi 94 °F		 NWS forecast: Sunny. High near 94, with temperatures falling to around 92 in the afternoon. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
 
Tonight

Tonight: Partly Cloudy then Chance Showers And Thunderstorms
Partly Cloudy then Chance Showers And T-Storms

Lo 76 °F		 NWS forecast: A chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 76. Heat index values as high as 102. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.