Dave Turley’s First Alert Weather forecast for Wednesday, August 19, 2026

High pressure will be the main weather this week as a cold front remains stationary just to our west. This will allow temps to heat up well above average through Friday. First Alert WX Days continue as highs reach the upper 90s to some low 100s each day. Heat index values up to 110 possible today. Afternoon rain chances will be low today and Thursday. Rain chances increase Friday afternoon into the weekend. Temps will depend on when rain/storms begin in the afternoon. We return to near normal temps this weekend with highs in the low to mid 90s and a chance for afternoon-evening showers and storms especially Saturday. Rain chances decrease Sunday and Monday with highs in the mid 90s.

Today will be mostly sunny with a 10% chance for showers and storms, highs near 100. Heat index values up to 109.

Wednesday night will be mostly clear with a 10% chance for showers and storms early, lows in the mid 70s.

Thursday will be mostly sunny with a 10% chance for showers and storms early, highs in the upper 90s. Heat index values up to 112.

Thursday night will be mostly clear with a 10% chance for showers and storms early, lows in the mid 70s.

Friday will be partly to mostly cloudy with a 50% chance for showers and storms, highs in the mid 90s. Heat index values up to 110.

Friday night will be mostly cloudy with a 50% chance for showers and storms early, lows in the mid 70s.

Saturday will be partly to mostly cloudy with a 60% chance for showers and storms, highs in the mid 90s. Heat index values up to 108.

Saturday night will be partly cloudy with a 30% chance for showers and storms early, lows in the low 70s.

Sunday will be partly cloudy with a 20% chance for showers and storms, highs in the mid 90s. Heat index values up to 107.

Sunday night will be partly cloudy with a 20% chance for showers and storms early, lows in the mid 70s.

Monday will be partly cloudy with a 20% chance for showers and storms, highs in the mid 90s.

Monday night will be partly cloudy with a 10% chance for showers and storms, lows in the low 70s.

Tuesday will partly cloudy with a 30% chance for showers and storms, highs in the mid 90s.

Tuesday night will be partly cloudy with a 20% chance for showers and storms early, lows in the low 70s.

Coastal Waters Forecast: Today: W winds at 5-10 kt becoming SW early this afternoon then becoming S late. Seas: 2-3 ft. Tonight: S winds at 5-10 kt becoming SW after midnight. Seas: 2 ft.

Tropical Outlook: No tropical development expected in the next 7 days.