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Excessive Heat Warning issued July 21 at 3:27AM CDT until July 21 at 8:00PM CDT by NWS St Louis MO

* HEAT INDEX VALUES...Up to 105 due to temperatures in the 90s, and dewpoints in the mid 70s. * TIMING...Continuing through early Sunday evening. * TEMPERATURE...Highs in the lower to middle 90s. * IMPACTS...The heat and humidity may cause heat stress during outdoor exertion or extended exposure. The very young, the elderly, those without air conditioning, and those participating in strenuous outdoor activities will be the most susceptible. Also, car interiors can reach lethal temperatures in a matter of minutes.

Edwardsville, IL

Updated July 21, 12:23 PM

87°

Feels like 99°

Mostly sunny

Today: Partial sunshine, humid; a strong p.m. thunderstorm; storms can bring flooding and damaging winds

Tonight: Mostly cloudy, a couple of showers and a heavy thunderstorm; humid; watch for flash flooding

Pressure: 29.95 inHg

Visibility: 10 miles

Winds: WNW 6.2 mph

Sunrise: 5:52 AM

Sunset: 8:22 PM

UV Index: 10

Precip chance: 55%

Precip today: 0 in

Dew Point: 74 F

Humidity: 65%

Sun, Jul. 21 88° 68° Partly sunny w/ t-storms Precip 55%	Mon, Jul. 22 78° 58° Thunderstorms Precip 67%	Tue, Jul. 23 81° 61° Mostly sunny Precip 0%	Wed, Jul. 24 82° 62° Partly sunny Precip 3%	Thu, Jul. 25 84° 63° Mostly sunny Precip 4%