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Current Conditions - Mostly Cloudy. Temperature is 76°F24°C, dew point 62°F17°C, humidity 62%. Wind direction is WNW at 18 mph29 km/h with visibility of 10.00 mi16 km. Barometric pressure is 29 in982 mb.
Late Today - Mostly cloudy with a 20% chance of showers and thunderstorms. West winds around 10 mph.... Full Forecast
Tonight - Partly cloudy. Areas of fog after midnight. Lows in the mid 50s. Northwest winds around 10 mph in the evening becoming light after... Full Forecast
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Summum Weather Advisories


Issue Date: 258 PM CDT Wed May 18 2022
This Hazardous Weather Outlook is for portions of central Illinois, east central Illinois and west central Illinois. .DAY ONE...THIS AFTERNOON AND TONIGHT... Isolated storms are possible through early evening. Severe weather is not expected. Areas of fog, some dense, will develop late tonight into Thursday morning. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... Additional thunderstorms are expected Friday and Friday night. These may be strong to severe. Lingering flooding on the Illinois River from Havana to Beardstown should subside Saturday evening. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated through tonight.


Issue Date: 1006 AM CDT Wed May 18 2022
...FLOOD WARNING NOW IN EFFECT UNTIL EARLY SATURDAY AFTERNOON... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until early Saturday afternoon. * IMPACTS...At 14.0 feet, Minor flooding begins to agricultural areas not protected by levees. * ADDITIONAL DETAILS... - At 9:45 AM CDT Wednesday the stage was 15.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Wednesday was 15.5 feet. - Forecast...The river is expected to fall below flood stage Saturday morning and continue falling to 12.0 feet Wednesday morning. - Flood stage is 14.0 feet. - && Fld Observed Forecasts (1 pm CDT) Location Stg Stg Day/Time Thu Fri Sat Illinois River Havana 14.0 15.1 Wed 9 am CDT 14.7 14.3 13.9 && LAT...LON 4053 8988 4047 8980 4034 9002 4012 9017 4018 9023 4039 9010
Summum, IL Weather Warnings, Advisories and Alerts are issued by the National Weather Service.
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