Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
972 FPUS53 KLSX 122253 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 553 PM CDT Sat Sep 12 2026 ILZ100-101-MOZ061-063-064-130600- Madison IL-Saint Clair IL-Saint Charles MO-Saint Louis MO- Saint Louis City MO- Including the cities of Alton, Edwardsville, Belleville, Cahokia, Saint Charles, and Saint Louis 553 PM CDT Sat Sep 12 2026 .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows around 70. West winds around 5 mph this evening, becoming light and variable. .SUNDAY...Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. North winds 5 to 10 mph. Chance of rain 20 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms with isolated showers. Lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 20 percent. .MONDAY...Mostly sunny. Highs in the upper 80s. East winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows around 70. Southeast winds 5 to 10 mph. .TUESDAY...Sunny, warmer with highs in the upper 90s. Heat index values up to 105 in the afternoon. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. .WEDNESDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 105 in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers after midnight. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. .THURSDAY...Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. .THURSDAY NIGHT...Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of rain 30 percent. .FRIDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Mostly clear in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny with a 30 percent chance of showers. Highs in the mid 80s. $$ MOZ042-049-050-130600- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 553 PM CDT Sat Sep 12 2026 .TONIGHT...Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. North winds around 5 mph. Chance of rain 40 percent. .SUNDAY...Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. North winds 5 to 10 mph. Chance of rain 50 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. Isolated showers. Lows in the lower 60s. Northeast winds 5 to 10 mph. Chance of rain 20 percent. .MONDAY...Partly sunny with isolated showers in the morning, then sunny in the afternoon. Highs in the mid 80s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. .MONDAY NIGHT...Mostly clear. Lows in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105 in the afternoon. .TUESDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows around 70. Chance of rain 40 percent. .THURSDAY...Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. .THURSDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 30 percent. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the lower 80s. Lows in the lower 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny. A chance of showers, mainly in the morning. Highs in the upper 70s. Chance of rain 30 percent. $$ MOZ041-047-048-130600- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 553 PM CDT Sat Sep 12 2026 .TONIGHT...Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. North winds around 5 mph. Chance of rain 40 percent. .SUNDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Northeast winds around 5 mph. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms. Isolated showers. Lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 20 percent. .MONDAY...Partly sunny with isolated showers in the morning, then sunny in the afternoon. Highs in the lower 90s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the lower 70s. South winds 5 to 10 mph with gusts up to 25 mph. .TUESDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105 in the afternoon. .TUESDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. Heat index values up to 100 early in the evening. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 70s. Chance of rain 40 percent. Heat index values up to 100 early in the evening. .THURSDAY...Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. .THURSDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 30 percent. .FRIDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 30 percent chance of showers. Lows in the lower 60s. Highs in the upper 70s. $$ ILZ095>097-MOZ018-019-026-027-034>036-130600- 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 553 PM CDT Sat Sep 12 2026 .TONIGHT...Partly cloudy this evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the mid 60s. North winds around 5 mph. Chance of rain 20 percent. .SUNDAY...Partly sunny with a chance of showers with a slight chance of thunderstorms. Cooler with highs in the mid 70s. North winds 5 to 10 mph. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then scattered showers with isolated thunderstorms after midnight. Lows around 60. Northeast winds 5 to 10 mph. Chance of rain 30 percent. .MONDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the lower 80s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .MONDAY NIGHT...Mostly clear. Not as cool with lows in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Mostly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 100. .TUESDAY NIGHT...A chance of thunderstorms. Showers likely. Lows in the upper 60s. Chance of rain 70 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the mid 80s. Chance of rain 50 percent. .WEDNESDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent. .THURSDAY...Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the lower 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent. .FRIDAY...Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 60s. Chance of rain 40 percent. .SATURDAY...Partly sunny. A chance of showers, mainly in the morning. Highs in the mid 70s. Chance of rain 40 percent. $$ ILZ069-070-074-130600- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 553 PM CDT Sat Sep 12 2026 .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the upper 60s. West winds around 5 mph this evening, becoming light and variable. .SUNDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Northwest winds around 5 mph. Chance of rain 20 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with isolated showers and thunderstorms after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph. Chance of rain 20 percent. .MONDAY...Mostly sunny. Highs in the mid 80s. East winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the upper 60s. Southeast winds 5 to 10 mph. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .WEDNESDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Heat index values up to 100 early in the evening. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms. Highs in the lower 90s. Lows in the upper 60s. Chance of rain 30 percent. .FRIDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Lows in the lower 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny with a 20 percent chance of showers. Highs in the mid 80s. $$ MOZ074-084-085-099-130600- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 553 PM CDT Sat Sep 12 2026 .TONIGHT...Partly cloudy. Lows in the mid 60s. Light and variable winds. .SUNDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 90. Northwest winds around 5 mph. Chance of rain 20 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast winds around 5 mph. .MONDAY...Partly sunny in the morning, then clearing. Highs in the upper 80s. East winds around 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the upper 60s. Southeast winds around 5 mph. .TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs in the mid 90s. Lows around 70. Heat index values up to 105. .THURSDAY...Sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100. .THURSDAY NIGHT...Partly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 20 percent. .FRIDAY...Sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. .FRIDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Lows in the lower 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. $$ MOZ051-052-060-130600- Montgomery MO-Lincoln MO-Warren MO- 553 PM CDT Sat Sep 12 2026 .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the mid 60s. Northwest winds around 5 mph. .SUNDAY...Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. North winds around 5 mph. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 60s. Northeast winds around 5 mph. Chance of rain 20 percent. .MONDAY...Partly sunny with isolated showers and thunderstorms in the morning, then sunny in the afternoon. Highs in the mid 80s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .MONDAY NIGHT...Mostly clear. Lows around 70. South winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY...Sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105 in the afternoon. .TUESDAY NIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Chance of rain 40 percent. Heat index values up to 100 early in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the lower 90s. Lows around 70. Chance of rain 20 percent. Heat index values up to 100. .THURSDAY...Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Mostly clear in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny. A chance of showers, mainly in the morning. Highs in the upper 70s. Chance of rain 30 percent. $$ ILZ058-059-098-099-130600- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 553 PM CDT Sat Sep 12 2026 .TONIGHT...Partly cloudy. Lows in the mid 60s. Northwest winds around 5 mph. .SUNDAY...Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. North winds 5 to 10 mph. Chance of rain 20 percent. .SUNDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then scattered showers with isolated thunderstorms after midnight. Lows around 60. Northeast winds 5 to 10 mph. Chance of rain 30 percent. .MONDAY...Mostly cloudy with scattered showers with isolated thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the mid 80s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 30 percent. .MONDAY NIGHT...Mostly clear. Lows in the upper 60s. Southeast winds 10 to 15 mph. .TUESDAY...Sunny with a slight chance of showers and thunderstorms. Warmer with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105 in the afternoon. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Chance of rain 40 percent. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the lower 90s. Lows around 70. Chance of rain 20 percent. Heat index values up to 100. .THURSDAY...Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 30 percent chance of showers. Lows in the lower 60s. Highs in the lower 80s. $$ ILZ060-064-065-130600- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 553 PM CDT Sat Sep 12 2026 .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the upper 60s. West winds around 5 mph this evening, becoming light and variable. .SUNDAY...Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. North winds 5 to 10 mph. Chance of rain 20 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with isolated showers and thunderstorms after midnight. Lows around 60. Northeast winds 5 to 10 mph. Chance of rain 20 percent. .MONDAY...Mostly sunny. Isolated showers and thunderstorms in the morning. Highs in the mid 80s. East winds 5 to 10 mph. Chance of rain 20 percent. .MONDAY NIGHT...Mostly clear. Lows in the upper 60s. Southeast winds 5 to 10 mph. .TUESDAY...Sunny, warmer with highs in the mid 90s. Heat index values up to 105 in the afternoon. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows around 70. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 100. .WEDNESDAY NIGHT...Mostly clear. A slight chance of showers after midnight. Lows in the lower 70s. Chance of rain 20 percent. .THURSDAY...Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 40 percent. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 60s. Highs in the upper 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Mostly clear in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent. .SATURDAY...Mostly sunny with a 30 percent chance of showers. Highs in the lower 80s. $$ ILZ079-MOZ075-130600- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 553 PM CDT Sat Sep 12 2026 .TONIGHT...Mostly clear. Lows in the upper 60s. Light and variable winds. .SUNDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Northwest winds around 5 mph. Chance of rain 20 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. Northeast winds around 5 mph. .MONDAY...Partly sunny in the morning, then clearing. Highs in the upper 80s. East winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the upper 60s. Southeast winds 5 to 10 mph. .TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. .THURSDAY...Sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 60s. Highs in the upper 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. .SATURDAY...Mostly sunny with a 20 percent chance of showers. Highs in the mid 80s. $$ MOZ059-062-072-073-130600- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 553 PM CDT Sat Sep 12 2026 .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the upper 60s. Light and variable winds. .SUNDAY...Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Northwest winds around 5 mph. Chance of rain 40 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 60s. Northeast winds around 5 mph. Chance of rain 20 percent. .MONDAY...Partly sunny in the morning, then clearing. Highs in the upper 80s. East winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows around 70. South winds 5 to 10 mph. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows around 70. Chance of rain 20 percent. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms. Highs around 90. Lows in the mid 60s. Chance of rain 40 percent. .FRIDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. A 20 percent chance of showers. Lows in the lower 60s. .SATURDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. $$ ILZ102-MOZ065-130600- Monroe IL-Jefferson MO- 553 PM CDT Sat Sep 12 2026 .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the upper 60s. Light and variable winds. .SUNDAY...Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Northwest winds around 5 mph. Chance of rain 20 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of thunderstorms with isolated showers after midnight. Lows in the lower 60s. Northeast winds around 5 mph. Chance of rain 20 percent. .MONDAY...Partly sunny in the morning, then clearing. Highs in the upper 80s. East winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the upper 60s. Southeast winds 5 to 10 mph. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Hot. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 105. .WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms. Highs in the lower 90s. Lows in the mid 60s. Chance of rain 30 percent. Heat index values up to 100. .FRIDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. A 20 percent chance of showers. Lows in the lower 60s. .SATURDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. $$