Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
692 FPUS53 KLSX 072048 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 348 PM CDT Mon Sep 7 2026 ILZ100-101-MOZ061-063-064-080400- 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 348 PM CDT Mon Sep 7 2026 .TONIGHT...Mostly clear. Lows in the mid 60s. East winds around 5 mph. .TUESDAY...Mostly sunny. Highs in the mid 90s. Southeast winds around 5 mph. .TUESDAY NIGHT...Mostly clear. Lows in the lower 70s. South winds 5 to 10 mph. .WEDNESDAY...Sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 108. .WEDNESDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. West winds around 5 mph. Chance of rain near 100 percent. Heat index values up to 103 early in the evening. .THURSDAY...Showers likely with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Cooler with highs in the lower 80s. Chance of rain 70 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. .FRIDAY...Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 40 percent. .SATURDAY...Mostly sunny. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. .SATURDAY NIGHT AND SUNDAY...Mostly clear. A 20 percent chance of showers. Lows in the upper 60s. Highs in the upper 80s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. .MONDAY...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. $$ MOZ042-049-050-080400- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 348 PM CDT Mon Sep 7 2026 .TONIGHT...Mostly clear. Lows in the mid 60s. Southeast winds 5 to 10 mph. .TUESDAY...Mostly sunny. Hot with highs in the mid 90s. South winds 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows in the lower 70s. South winds 5 to 10 mph. .WEDNESDAY...Mostly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 90s. Temperature falling into the upper 80s in the afternoon. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming west in the afternoon. Chance of rain 70 percent. Heat index values up to 104. .WEDNESDAY NIGHT...A chance of thunderstorms. Showers with lows in the mid 60s. Northwest winds around 5 mph. Chance of rain near 100 percent. .THURSDAY...Mostly cloudy with a chance of showers and thunderstorms in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Cooler with highs around 80. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 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...Mostly clear in the evening, then becoming partly cloudy. 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 50 percent. .SATURDAY...Mostly sunny. A chance of showers, mainly in the morning. Highs in the upper 80s. Chance of rain 50 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear with a 20 percent chance of showers. Lows in the mid 60s. Highs in the mid 80s. .MONDAY...Sunny. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$ MOZ041-047-048-080400- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 348 PM CDT Mon Sep 7 2026 .TONIGHT...Mostly clear. Lows in the upper 60s. Southeast winds 5 to 10 mph. .TUESDAY...Mostly sunny. Warmer with highs around 99. South winds around 5 mph. Heat index values up to 106 in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 104 early in the evening. .WEDNESDAY...Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 70 percent. Heat index values up to 106. .WEDNESDAY NIGHT...Showers with a chance of thunderstorms. Humid with lows in the upper 60s. Northwest winds around 5 mph. Chance of rain near 100 percent. .THURSDAY...Mostly cloudy with a chance of showers and thunderstorms in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Cooler with highs in the lower 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent. .FRIDAY...Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly clear with a 20 percent chance of showers. Lows in the mid 60s. .SUNDAY AND SUNDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms. Highs in the upper 80s. Lows in the mid 60s. Chance of rain 20 percent. .MONDAY...Sunny. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. $$ ILZ095>097-MOZ018-019-026-027-034>036-080400- 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 348 PM CDT Mon Sep 7 2026 .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the mid 60s. Southeast winds 5 to 10 mph. .TUESDAY...Mostly sunny. Highs in the mid 90s. South winds 5 to 10 mph. Heat index values up to 102 in the afternoon. .TUESDAY NIGHT...Mostly clear. A slight chance of showers after midnight. Lows in the mid 70s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .WEDNESDAY...Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs around 90. West winds 5 to 10 mph. Chance of rain 90 percent. .WEDNESDAY NIGHT...Showers likely with a slight chance of thunderstorms in the evening, then showers after midnight. Lows in the mid 60s. Northwest winds around 5 mph. Chance of rain 90 percent. .THURSDAY...Mostly sunny. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly clear. Lows around 60. .FRIDAY...Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. 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 50 percent. .SATURDAY...Mostly sunny. A chance of showers, mainly in the morning. Highs in the upper 80s. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly clear. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent. .SUNDAY...Mostly sunny with a 20 percent chance of showers. Highs in the mid 80s. .SUNDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly clear with a slight chance of showers. Lows in the mid 60s. Chance of rain 20 percent. .MONDAY...Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$ ILZ069-070-074-080400- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 348 PM CDT Mon Sep 7 2026 .TONIGHT...Mostly clear. Lows in the lower 60s. East winds around 5 mph. .TUESDAY...Mostly sunny. Highs in the mid 90s. South winds around 5 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Not as cool with lows in the lower 70s. South winds 5 to 10 mph. .WEDNESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Southwest winds 10 to 15 mph. Chance of rain 40 percent. Heat index values up to 109. .WEDNESDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Humid with lows around 70. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain near 100 percent. Heat index values up to 102 early in the evening. .THURSDAY...Showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Cooler with highs in the lower 80s. Chance of rain near 100 percent. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. A 20 percent chance of showers. Lows in the lower 60s. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 30 percent. .SATURDAY...Mostly sunny. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. .SATURDAY NIGHT AND SUNDAY...Mostly clear. A 20 percent chance of showers. Lows in the mid 60s. Highs in the upper 80s. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the mid 60s. Highs in the upper 80s. $$ MOZ074-084-085-099-080400- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 348 PM CDT Mon Sep 7 2026 .TONIGHT...Clear. Lows in the lower 60s. East winds around 5 mph this evening, becoming light and variable. .TUESDAY...Sunny. Highs in the lower 90s. South winds around 5 mph. .TUESDAY NIGHT...Mostly clear. Lows around 70. South winds around 5 mph. Gusts up to 20 mph after midnight. .WEDNESDAY...Sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 106. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 90 percent. Heat index values up to 100 early in the evening. .THURSDAY...A chance of thunderstorms. Showers, mainly in the morning. Cooler with highs in the lower 80s. Chance of rain 90 percent. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the mid 60s. .FRIDAY THROUGH SATURDAY...Partly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 80s. Lows in the mid 60s. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the mid 60s. Highs in the upper 80s. $$ MOZ051-052-060-080400- Montgomery MO-Lincoln MO-Warren MO- 348 PM CDT Mon Sep 7 2026 .TONIGHT...Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph. .TUESDAY...Mostly sunny. Highs in the mid 90s. South winds around 5 mph. .TUESDAY NIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. .WEDNESDAY...Mostly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Hot with highs in the mid 90s. Southwest winds around 5 mph. Chance of rain 70 percent. Heat index values up to 106. .WEDNESDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Humid with lows in the mid 60s. West winds around 5 mph in the evening, becoming light and variable. Chance of rain 90 percent. .THURSDAY...Mostly cloudy with a chance of showers and thunderstorms in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Cooler with highs in the lower 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 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 AND SATURDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Highs in the upper 80s. Chance of rain 40 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear with a 20 percent chance of showers. Lows in the mid 60s. Highs in the upper 80s. .MONDAY...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. $$ ILZ058-059-098-099-080400- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 348 PM CDT Mon Sep 7 2026 .TONIGHT...Mostly clear. Lows in the lower 60s. East winds around 5 mph. .TUESDAY...Mostly sunny. Highs in the lower 90s. South winds around 5 mph. .TUESDAY NIGHT...Mostly clear. Not as cool with lows in the lower 70s. South winds 5 to 10 mph. .WEDNESDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 50 percent. Heat index values up to 103. .WEDNESDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. West winds around 5 mph. Chance of rain 90 percent. .THURSDAY...Mostly cloudy in the morning, then becoming mostly sunny. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Cooler with highs in the lower 80s. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 60. .FRIDAY...Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent. .SATURDAY...Mostly sunny. A chance of showers in the morning. Highs in the upper 80s. Chance of rain 40 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear with a 20 percent chance of showers. Lows in the mid 60s. Highs in the upper 80s. .MONDAY...Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. $$ ILZ060-064-065-080400- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 348 PM CDT Mon Sep 7 2026 .TONIGHT...Mostly clear. Lows around 60. East winds around 5 mph. .TUESDAY...Mostly sunny. Highs in the lower 90s. South winds around 5 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Not as cool with lows around 70. South winds 5 to 10 mph. .WEDNESDAY...Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 104. .WEDNESDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain near 100 percent. .THURSDAY...Showers likely with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Cooler with highs in the lower 80s. Chance of rain 70 percent. .THURSDAY NIGHT...Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows around 60. Chance of rain 20 percent. .FRIDAY...Mostly sunny. Highs in the mid 80s. .FRIDAY NIGHT...Mostly clear with a slight chance of showers in the evening, then partly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 40 percent. .SATURDAY...Mostly sunny. A chance of showers, mainly in the morning. Highs in the upper 80s. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Lows in the mid 60s. Chance of rain 20 percent. .SUNDAY...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. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. .MONDAY...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. $$ ILZ079-MOZ075-080400- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 348 PM CDT Mon Sep 7 2026 .TONIGHT...Clear. Lows in the lower 60s. East winds around 5 mph this evening, becoming light and variable. .TUESDAY...Sunny. Highs in the mid 90s. South winds around 5 mph. .TUESDAY NIGHT...Mostly clear. Lows in the lower 70s. South winds 5 to 10 mph. .WEDNESDAY...Sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. Southwest winds around 5 mph. Chance of rain 90 percent. Heat index values up to 103 early in the evening. .THURSDAY...A chance of thunderstorms. Showers, mainly in the morning. Much cooler with highs in the lower 80s. Chance of rain 90 percent. .THURSDAY NIGHT...Mostly cloudy with a slight chance of showers in the evening, then partly cloudy after midnight. Lows in the mid 60s. Chance of rain 20 percent. .FRIDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Highs in the upper 80s. Chance of rain 40 percent. Heat index values up to 100. .SATURDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Lows in the mid 60s. Chance of rain 20 percent. .SUNDAY...Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the mid 60s. Highs in the upper 80s. $$ MOZ059-062-072-073-080400- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 348 PM CDT Mon Sep 7 2026 .TONIGHT...Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph. .TUESDAY...Mostly sunny. Highs in the mid 90s. South winds around 5 mph. .TUESDAY NIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. Gusts up to 20 mph after midnight. .WEDNESDAY...Sunny. Showers likely with a chance of thunderstorms in the afternoon. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 60 percent. Heat index values up to 107. .WEDNESDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain near 100 percent. .THURSDAY...Becoming partly sunny in the afternoon. A chance of thunderstorms. Showers, mainly in the morning. Much cooler with highs in the lower 80s. Chance of rain near 100 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s. .FRIDAY THROUGH SATURDAY...Partly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 80s. Lows in the mid 60s. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly clear with a 20 percent chance of showers. Lows in the mid 60s. .SUNDAY...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. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. .MONDAY...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. $$ ILZ102-MOZ065-080400- Monroe IL-Jefferson MO- 348 PM CDT Mon Sep 7 2026 .TONIGHT...Mostly clear. Lows in the lower 60s. East winds around 5 mph. .TUESDAY...Mostly sunny. Highs in the mid 90s. Southeast winds around 5 mph. .TUESDAY NIGHT...Mostly clear. Lows in the lower 70s. South winds around 5 mph. .WEDNESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 111. .WEDNESDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 90 percent. Heat index values up to 102 early in the evening. .THURSDAY...Showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Much cooler with highs in the lower 80s. Chance of rain 90 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Highs around 90. Chance of rain 40 percent. Heat index values up to 100. .SATURDAY NIGHT AND SUNDAY...Mostly clear. A 20 percent chance of showers. Lows in the mid 60s. Highs in the upper 80s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. .MONDAY...Sunny. A slight chance of showers in the morning. Highs in the upper 80s. Chance of rain 20 percent. $$