Extreme Heat Warning EXTREME HEAT WARNING - Campton Hills  - Naperville

NWS Central Great Lakes Regional Radar WU North Central Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 30-Jun-2026 12:45pm - next update at 12:48pm  
Summary / Temperature Wind Rain Outlook
Mostly cloudy Mostly cloudy
Currently: 89.8, Max: 90.5, Min: 75.1 89.8°F
Warmer 1.7°F than last hour.

Unknown

Feels like: 84°F

24-hr difference
-0.4°FColder 0.4°F than yesterday at this time.
  Today Yesterday
High: 90.5°F
12:25pm
92°F
3:34pm
Low: 75.1°F
5:46am
74.4°F
4:58am
 Wind from WNW WNW
1
Gust:
3 mph
0 Bft - Calm
Today: 9 mph 9:56am
Gust Month: 19.0 mph June 16
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0.79 in
Season Total: 12.63 in
3 days since last rain.
Tonight

Tonight: Mostly Clear
Mostly Clear
Humidity & Barometer Almanac Moon
Humidity: 1 %  
Dew Point: -23.3°F Increased 0.2°F since last hour.
Barometer: 29.938 inHg  
Baro Trend: Steady
Sunrise: 5:20am
Sunset: 8:34pm
Moonset: 5:33am
Moonrise: 9:32pm
Full Moon
Full Moon, Moon at 15 days in cycle
100%
Illuminated
UV Index Solar Radiation
   8.3     Very High 
High: 8.3 @ 12:44pm
1007 W/m2
High: 1078 @  12:10pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Mostly Sunny
Mostly Sunny

Hi 92 °F
NWS forecast: Mostly sunny, with a high near 92. Heat index values as high as 105. Southwest wind around 15 mph, with gusts as high as 30 mph.
Davis VP+ forecast: Increasing clouds with little temperature change.
 
Tonight

Tonight: Mostly Clear
Mostly Clear

Lo 76 °F
NWS forecast: Mostly clear, with a low around 76. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.
Animated icons courtesy of www.meteotreviglio.com.