Residents face another day of extreme heat Friday, with highs near 104 degrees and heat index values reaching 111, according to National Weather Service forecasters. Relief is expected beginning Saturday as temperatures steadily decline.
Friday’s forecast calls for mostly sunny skies and light southwest winds increasing to 5 to 10 mph in the afternoon. Overnight lows will remain warm, around 67 degrees, keeping conditions uncomfortable.
Saturday will bring some improvement, with highs near 99 degrees under sunny skies. Winds will shift from the south southeast to southwest at 5 to 10 mph. Saturday night will cool to 65 degrees.
By Sunday, the heat wave will break more noticeably. Highs will drop to near 90 degrees, with light south southeast winds. Overnight lows will fall to 61 degrees, offering residents a reprieve from the muggy nights.
Monday’s forecast shows continued cooling, with highs near 87 degrees and lows around 60.
Forecasters note a slight chance of showers beginning Tuesday afternoon and continuing through Thursday. Highs will remain in the mid-80s to near 90, with lows in the low 60s. Any rainfall is expected to be light and scattered.
The temperature trend highlights a sharp drop from Friday’s dangerous heat to near-normal conditions by early next week. Winds will remain light throughout the period, generally from the southwest at 5 to 10 mph.
Local impacts include advisories urging residents to stay hydrated and limit outdoor activity Friday, especially for vulnerable populations. Cooling centers remain available for those needing relief.
Looking ahead, forecasters expect temperatures to stay near seasonal averages through midweek, with only slight warming possible by Thursday.
Here is the Pasadena forecast from the National Weather Service as of 3:39 a.m. Friday:
Today: Mostly sunny and hot, with a high near 104. Heat index values as high as 111. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tonight: Mostly clear, with a low around 67. Southwest wind 5 to 10 mph becoming light south southwest in the evening.
Saturday: Sunny and hot, with a high near 99. Light south southeast wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night: Mostly clear, with a low around 65. South wind 5 to 10 mph.
Sunday: Sunny, with a high near 90. South southeast wind around 5 mph.
Sunday Night: Mostly clear, with a low around 61.
Monday: Sunny, with a high near 87.
Monday Night: Mostly clear, with a low around 60.
Tuesday: A slight chance of showers after 11:00 a.m. Sunny, with a high near 85.
Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 62.
Wednesday: A slight chance of showers. Mostly sunny, with a high near 87.
Wednesday Night: A slight chance of showers. Mostly cloudy, with a low around 64.
Thursday: A slight chance of showers. Mostly sunny, with a high near 90.
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