Active Weather Alerts
Severe Thunderstorm Warning
Issued: 1:56 AM Aug. 17, 2026 – National Weather Service
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR NORTHWESTERN FRANKLIN, NORTHEASTERN GASCONADE AND SOUTHEASTERN WARREN COUNTIES... At 856 PM CDT, a severe thunderstorm was located over New Haven, moving northeast at 35 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Swiss, Berger, Lyon, New Haven, Treloar, Holstein, Washington and Marthasville. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. Continuous cloud to ground lightning is occurring with this storm. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<1.00 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
Extreme Heat Warning
Issued: 6:37 AM Aug. 16, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values of 105 to 110 degrees. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. &&
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