


Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
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161 FPUS53 KLSX 162124 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 423 PM CDT Wed Jul 16 2025 ILZ100-101-MOZ061-063-064-170500- 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 423 PM CDT Wed Jul 16 2025 .TONIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 103 early this evening. .THURSDAY...Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Northwest winds 5 to 10 mph, becoming north in the afternoon. Chance of rain 50 percent. Heat index values up to 100. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 70s. Northeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Southeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 40 percent. Heat index values up to 105. .MONDAY...Mostly sunny with a slight chance of showers and thunderstorms. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the upper 90s. Lows in the upper 70s. Heat index values up to 110. $$ MOZ042-049-050-170500- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 423 PM CDT Wed Jul 16 2025 .TONIGHT...Mostly cloudy with a chance of thunderstorms. A slight chance of showers this evening, then a chance of showers after midnight. Lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 103 early this evening. .THURSDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 80s. North winds 5 to 10 mph with gusts up to 20 mph, becoming northeast in the afternoon. Chance of rain 60 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. Showers likely, mainly in the morning. Humid with highs in the mid 80s. Southeast winds around 5 mph. Chance of rain 60 percent. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 100. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 30 percent. Heat index values up to 100. .MONDAY AND MONDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 105. .WEDNESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. $$ MOZ041-047-048-170500- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 423 PM CDT Wed Jul 16 2025 .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 104 early this evening. .THURSDAY...Mostly cloudy with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 80s. North winds 5 to 10 mph with gusts up to 20 mph, becoming northeast in the afternoon. Chance of rain 60 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows around 70. East winds 5 to 10 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Humid with highs in the upper 80s. Southeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .SATURDAY THROUGH SUNDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105. .SUNDAY NIGHT...Mostly clear with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 30 percent. Heat index values up to 105 early in the evening. .MONDAY...Sunny. Highs in the mid 90s. Heat index values up to 105. .MONDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 105. .WEDNESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 105. $$ ILZ095>097-MOZ018-019-026-027-034>036-170500- 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 423 PM CDT Wed Jul 16 2025 .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Northwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 101 early this evening. .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 around 80. North winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly 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. Northeast winds around 5 mph. Chance of rain 40 percent. .FRIDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 40 percent. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 50 percent. Heat index values up to 105. .SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 50 percent. Heat index values up to 100. .MONDAY AND MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110. $$ ILZ069-070-074-170500- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 423 PM CDT Wed Jul 16 2025 .TONIGHT...Mostly cloudy with a slight chance of showers and thunderstorms this evening, then partly cloudy after midnight. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 102 early this evening. .THURSDAY...Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Northwest winds around 5 mph, becoming north around 5 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 102. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the lower 70s. Northeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy with showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. East winds around 5 mph, becoming southeast in the afternoon. Chance of rain 60 percent. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 50 percent. Heat index values up to 105. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105. .MONDAY NIGHT AND TUESDAY...Mostly clear. A slight chance of showers and thunderstorms. Lows in the mid 70s. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110. $$ MOZ074-084-085-099-170500- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 423 PM CDT Wed Jul 16 2025 .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 101 early this evening. .THURSDAY...Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs around 90. West winds around 5 mph, becoming south around 5 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 103. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows around 70. Northeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Partly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Southeast winds around 5 mph, becoming south in the afternoon. Chance of rain 60 percent. Heat index values up to 100. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .SATURDAY...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 105. .SATURDAY NIGHT...Mostly clear. Lows in the lower 70s. Heat index values up to 100 early in the evening. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105. .MONDAY...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. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Hot. Lows in the lower 70s. Highs in the upper 90s. Heat index values up to 105. $$ MOZ051-052-060-170500- Montgomery MO-Lincoln MO-Warren MO- 423 PM CDT Wed Jul 16 2025 .TONIGHT...Mostly cloudy. A slight chance of showers and thunderstorms this evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 70s. West winds around 5 mph. Chance of rain 50 percent. Heat index values up to 102 early this evening. .THURSDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Cooler with highs in the lower 80s. North winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. Showers likely, mainly in the morning. Humid with highs in the mid 80s. East winds around 5 mph, becoming south around 5 mph in the afternoon. Chance of rain 60 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .SATURDAY...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 105. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 105. .MONDAY...Mostly 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. .MONDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110. $$ ILZ058-059-098-099-170500- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 423 PM CDT Wed Jul 16 2025 .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. West winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY...Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. North winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Southeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 50 percent. .SATURDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 100. .SATURDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 40 percent. Heat index values up to 100 early in the evening. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs around 90. Lows in the lower 70s. Chance of rain 50 percent. .MONDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 100. .MONDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 105. $$ ILZ060-064-065-170500- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 423 PM CDT Wed Jul 16 2025 .TONIGHT...Mostly cloudy with a slight chance of showers. A slight chance of thunderstorms this evening, then a chance of thunderstorms after midnight. Lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. .THURSDAY...Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Northwest winds around 5 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Highs around 90. Lows in the lower 70s. Chance of rain 50 percent. Heat index values up to 100. .SUNDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 100. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers. Lows in the lower 70s. Chance of rain 50 percent. .MONDAY...Partly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 40 percent. Heat index values up to 105. .MONDAY NIGHT AND TUESDAY...Mostly clear. A slight chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 110. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110. $$ ILZ079-MOZ075-170500- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 423 PM CDT Wed Jul 16 2025 .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 104 early this evening. .THURSDAY...Partly sunny. Showers and thunderstorms likely in the afternoon. Humid with highs in the lower 90s. West winds around 5 mph, becoming north around 5 mph in the afternoon. Chance of rain 60 percent. Heat index values up to 106. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Humid with lows in the lower 70s. Northeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy with a chance of showers and thunderstorms in the morning, then partly sunny with showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. East winds around 5 mph, becoming south around 5 mph in the afternoon. Chance of rain 60 percent. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 20 percent. .SATURDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 105. .SATURDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .SUNDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 105. .SUNDAY NIGHT AND MONDAY...Partly cloudy. A slight chance of showers and thunderstorms. Hot. Lows in the mid 70s. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Hot. Lows in the upper 70s. Highs in the upper 90s. Heat index values up to 110. $$ MOZ059-062-072-073-170500- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 423 PM CDT Wed Jul 16 2025 .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 102 early this evening. .THURSDAY...Partly sunny. A slight chance of showers and thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. Northwest winds around 5 mph, becoming northeast in the afternoon. Chance of rain 60 percent. Heat index values up to 101. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows around 70. East winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. Showers likely, mainly in the morning. Humid with highs in the upper 80s. Southeast winds around 5 mph, becoming south around 5 mph in the afternoon. Chance of rain 60 percent. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .SATURDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. .SATURDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .SUNDAY...Mostly 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. .SUNDAY NIGHT AND MONDAY...Mostly clear. A slight chance of showers and thunderstorms. Hot. Lows in the mid 70s. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .MONDAY NIGHT...Mostly clear. A slight chance of showers after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Hot. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 105. $$ ILZ102-MOZ065-170500- Monroe IL-Jefferson MO- 423 PM CDT Wed Jul 16 2025 .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 104 early this evening. .THURSDAY...Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Northwest winds around 5 mph, becoming northeast around 5 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 105. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Humid with lows in the lower 70s. Northeast winds around 5 mph. Chance of rain 50 percent. .FRIDAY...Showers likely with a chance of thunderstorms. Humid with highs in the upper 80s. East winds around 5 mph, becoming south around 5 mph in the afternoon. Chance of rain 60 percent. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. .SATURDAY THROUGH MONDAY...Partly cloudy with a slight chance of showers and thunderstorms. Hot. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 110. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Hot. Lows in the upper 70s. Highs around 100. Heat index values up to 110. $$