Expires:202607272200;;696157 FPUS53 KLSX 271424 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 923 AM CDT Mon Jul 27 2026 ILZ095>097-MOZ018-019-026-027-034>036-272200- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 923 AM CDT Mon Jul 27 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING... .REST OF TODAY...Sunny. Isolated showers and thunderstorms this afternoon. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values up to 111. .TONIGHT...Partly cloudy. Isolated showers and thunderstorms in the evening. Humid with lows in the mid 70s. West winds 5 to 10 mph, becoming northwest after midnight. Chance of rain 20 percent. Heat index values up to 110 early in the evening. .TUESDAY...Partly sunny. Humid with highs in the upper 80s. North winds 5 to 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 60s. Northeast winds around 5 mph. .WEDNESDAY...Sunny. Highs in the upper 80s. East winds around 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. .THURSDAY...Mostly sunny. Highs in the upper 80s. .THURSDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent. .FRIDAY...Showers likely with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 60 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Chance of rain 50 percent. .SATURDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 20 percent. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the mid 60s. Highs in the mid 80s. $$