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: @ 03-Sep-2026 11:15pm - next update at 6:00pm  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 79.1, Max: 96.7, Min: 75.0 79.1°F
Warmer 0.4°F than last hour.

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Feels like: 83°F

24-hr difference
-0.9°FColder 0.9°F than yesterday at this time.
  Today Yesterday
High: 96.7°F
5:10pm
96.5°F
3:31pm
Low: 75.0°F
6:49am
73.9°F
6:13am
 Calm S
0.0
Gust:
0.0 mph
0 Bft - Calm
Today: 10.4 mph 11:24am
Gust Month: 12.0 mph September 2
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: 39.58 in
3 days since last rain.
Friday

Friday: Sunny
Sunny
Humidity & Barometer Almanac Moon
Humidity: 86 %  
Dew Point: 74.5°F Increased 0.3°F since last hour.
Barometer: 29.872 inHg  
Baro Trend: Steady
Sunrise: 6:22am
Sunset: 7:22pm
Moonset: 2:48pm
Moonrise: 10:46pm
Waning Gibbous
Waning Gibbous, Moon at 21 days in cycle
52%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 4.9 @ 12:08pm
0 W/m2 (0 %)
High: 881 @  1:22pm
 NWS Weather Forecast  - Outlook: Tonight & Friday
Tonight

Tonight: Mostly Clear
Mostly Clear

Lo 75 °F
NWS forecast: Mostly clear, with a low around 75. South southwest wind around 5 mph.
 
Friday

Friday: 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 103. Southwest wind around 5 mph, with gusts as high as 15 mph.