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Grundy County
 Details for Grundy County Air Quality Alert  +1 additional alert

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Air Quality Alert AIR QUALITY ALERT - 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: @ 18-Jul-2026 2:15pm - next update at 6:00pm  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 89.6, Max: 89.9, Min: 76.7 89.6°F
Warmer 0.4°F than last hour.

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Feels like: 105°F

24-hr difference
4.4°FWarmer 4.4°F than yesterday at this time.
  Today Yesterday
High: 89.9°F
12:09pm 		91.6°F
12:59pm
Low: 76.7°F
5:49am 		72.3°F
4:54am
Wind from W W
5.9
Gust:
 3.0 mph
2 Bft - Light Breeze
Today: 21.0 mph 12:30pm
Gust Month: 26.0 mph July 3
Rain Today: 0.00 in
Rain Rate (/hr): 0.000 in
Rain Yesterday: 0.38 in
Storm Rain: 0.38 in
This Month: 2.80 in
Season Total: 30.04 in
4 rain days in July.
Tonight

Tonight: Chance Showers And Thunderstorms then Patchy Smoke
Chance Showers And T-Storms then Patchy Smoke
Humidity & Barometer Almanac Moon
Humidity: 69 % Decreased 1.0% since last hour.
Dew Point: 78.1°F  
Barometer: 29.797 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 5:35am
Sunset: 8:23pm
Moonrise: 10:32am
Moonset: 10:25pm
Waxing Crescent
Waxing Crescent, Moon at 4 days in cycle
24%
Illuminated
UV Index Solar Radiation
   3.2     Medium 
High: 6.2 @ 12:05pm
935 W/m2 (99 %)
High: 1034 @  12:06pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Showers And Thunderstorms
Showers And T-Storms

Hi 91 °F		 NWS forecast: Showers and thunderstorms. Partly sunny. High near 91, with temperatures falling to around 88 in the afternoon. Heat index values as high as 102. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
 
Tonight

Tonight: Chance Showers And Thunderstorms then Patchy Smoke
Chance Showers And T-Storms then Patchy Smoke

Lo 67 °F		 NWS forecast: A chance of showers and thunderstorms before 9pm, then patchy smoke. Partly cloudy, with a low around 67. North northeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.