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Heat Advisory HEAT ADVISORY - 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: @ 21-Jul-2026 3:42pm - next update at 3:45pm  
Summary / Temperature Wind Rain Outlook
Overcast Overcast
Currently: 82.6, Max: 83.6, Min: 69.6 82.6°F
Warmer 0.1°F than last hour.

Warm

Feels like: 79°F

24-hr difference
3.6°FWarmer 3.6°F than yesterday at this time.
  Today Yesterday
High: 83.6°F
3:23pm 		81.3°F
5:05pm
Low: 69.6°F
6:11am 		57.2°F
5:50am
Wind from NNW NNW
4
Gust:
 11 mph
1 Bft - Light air
Today: 16 mph 12:05pm
Gust Month: 28.0 mph July 3
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0.02 in
Season Total: 12.65 in
56 days since last rain.
Thursday

Thursday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 1 %  
Dew Point: -27.6°F  
Barometer: 29.776 inHg Rising 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 6:20am
Sunset: 7:25pm
Moonset: 1:50pm
Moonrise: 10:39pm
Waning Gibbous
Waning Gibbous, Moon at 20 days in cycle
62%
Illuminated
UV Index Solar Radiation
   1.9     Low 
High: 6.4 @ 12:45pm
204 W/m2
High: 984 @  1:24pm
 NWS Weather Forecast  - Outlook: Tonight & Thursday
Tonight

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

Lo 75 °F		 NWS forecast: A slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 75. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Davis VP+ forecast: Mostly cloudy and cooler. Precipitation possible within 12 hours, possibly heavy at times. Windy.
 
Thursday

Thursday: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Hi 89 °F		 NWS forecast: A chance of showers and thunderstorms. Partly sunny. High near 89, with temperatures falling to around 87 in the afternoon. Heat index values as high as 98. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Animated icons courtesy of www.meteotreviglio.com.