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Current Conditions - Clear. Temperature is 64°F18°C, dew point 63°F17°C, humidity 98%. Wind direction is SSW at 10 mph16 km/h with visibility of 10.00 mi16 km. Barometric pressure is 29 in982 mb.
Today - Mostly cloudy. Scattered showers and a slight chance of thunderstorms in the afternoon. Breezy. Highs in the upper 80s. Then tempe... Full Forecast
Tonight - Numerous showers and a chance of thunderstorms in the evening, then thunderstorms likely and numerous showers after midnight. Lows... Full Forecast
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Thornton Weather Advisory


Issue Date: 431 AM CDT Fri May 20 2022
This Hazardous Weather Outlook is for portions of North Central Illinois...Northeast Illinois and Northwest Indiana. .DAY ONE...Today and Tonight. Weather hazards expected... Elevated Thunderstorm Risk...with an associated: Limited hail risk...up to quarter size. Limited Flooding Risk. Limited Non Thunderstorm Wind Risk. DISCUSSION... Southwest winds will gust up to 40 to 45 mph ahead of a cold front this afternoon, with the strongest gusts expected near and southeast of I-55. Thunderstorms will gradually develop behind a cold front, especially this evening into the overnight. The most widespread thunderstorm coverage is likely to be seen near and southeast of I-55. A few thunderstorms could be severe with the main threat in any severe thunderstorm being damaging hail. In addition, heavy downpours in thunderstorms could cause localized flooding. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Saturday... Limited Severe Thunderstorm Risk. Limited Flooding Risk. Tuesday and Wednesday... Limited Thunderstorm Risk. DISCUSSION: Additional thunderstorms are expected on Saturday, especially near and south and southeast of a Streator to Chicago line, where a few severe hail producing thunderstorms and localized flooding will be possible. .SPOTTER INFORMATION STATEMENT... Spotter activation is unlikely through tonight. GENERAL STORM MOTION OF THE DAY: Moving toward the northeast at 40 to 50 mph.
Thornton, IL Weather Warnings, Advisories and Alerts are issued by the National Weather Service.
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