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Extreme Heat Warning EXTREME HEAT WARNING - Chester County  - Lancaster County

NWS Northeast Regional Radar WU North East Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 04-Jul-2026 12:49pm  
Summary / Temperature Wind Rain Outlook
Few Clouds Few Clouds
Currently: 95.0, Max: 95.5, Min: 73.6 95°F
Warmer 2.0°F than last hour.

Extremely Hot

Feels like: 110°F

  Today Yesterday
High: 95.5°F
12:33pm 		99.9°F
3:52pm
Low: 73.6°F
6:10am 		74.7°F
3:46am
Wind from SSW SSW
2.9
Gust:
 10.1 mph
1 Bft - Light air
Today: 13 mph 10:30am
Gust Month: 15.0 mph July 03
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0 in
Yearly Total: 16.24 in
Tonight

Tonight: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 45 % Increased 1.0% since last hour.
Dew Point: 70.3°F Increased 2.5°F since last hour.
Barometer: 29.93 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 5:39am
Sunset: 8:37pm
Moonset: 10:02am
Moonrise: 11:23pm
Waning Gibbous
Waning Gibbous, Moon at 18 days in cycle
80%
Illuminated
UV Index Solar Radiation
   7.5     High 
High: 7.5 @ 12:38pm
942 W/m2 (91 %)
High: 942 @  12:38pm
 NWS Weather Forecast  - Outlook: Independence Day & Tonight
Independence
Day
Independence Day: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms

Hi 96 °F		 NWS forecast: A chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rain. Mostly sunny, with a high near 96. Heat index values as high as 101. Northwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Davis VP+ forecast: Increasing clouds with little temperature change.
 
Tonight

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

Lo 71 °F		 NWS forecast: A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and midnight, then a chance of showers and thunderstorms between midnight and 1am, then a slight chance of showers and thunderstorms between 1am and 3am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 71. West wind 0 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.