Navigation

Alerts

Grundy Co
 Details for Grundy Co Heat Advisory
Heat Advisory HEAT ADVISORY - Grundy Co

NWS Central Great Lakes Regional Radar WU Central Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
spacer
Updated: @ 03-Sep-2026 11:10pm - next update at 11:15pm  
Summary / Temperature Wind Rain Outlook
Night time, Humid Night time, Humid
Currently: 79.5°F, Max: 96.3°F, Min: 76.4°F 79.5°F
Colder 1.4°F than last hour.

---

Feels like: 84°F

24-hr difference
0.2°FWarmer 0.2°F than yesterday at this time.
  Today Yesterday
High: 96.3°F
3:14pm 		97.9°F
3:02pm
Low: 76.4°F
7:00am 		75.5°F
7:00am
Calm WSW
0
Gust:
 0 mph
0 Bft - Calm
Today: 7 mph 12:35pm
Gust Month: 8.0 mph September 1
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 0 in
Season Total: 35.731 in
0 day since last rain.
Friday

Friday: Sunny
Sunny
Humidity & Barometer Almanac Moon
Humidity: 88 % Increased 2.0% since last hour.
Dew Point: 75.6°F Decreased 0.7°F since last hour.
Barometer: 29.875 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 6:22am
Sunset: 7:22pm
Moonset: 2:47pm
Moonrise: 10:46pm
Waning Gibbous
Waning Gibbous, Moon at 21 days in cycle
52%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 6.5 @ 12:53pm
0 W/m2 (0 %)
High: 935 @  12:11pm
 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.
Davis VP+ forecast: Partly cloudy and cooler.
 
Friday

Friday: Sunny
Sunny

Hi 95 °F		 NWS forecast: Sunny. High near 95, with temperatures falling to around 92 in the afternoon. Heat index values as high as 104. Southwest wind around 5 mph, with gusts as high as 15 mph.