Classic “warm rain” event. (We’ll go into that more later.) I didn’t want to buy it. Drought. But here is my time being wrong to highly underestimate the event’s potential, now becoming reality. And despite areas of flooding, which have mostly impacted roads in southern areas, this is generally a beneficial event for the region, greatly relieving drought conditions. Since a good portion of the rain will have occurred before the 8 a.m. Tuesday cut-off for the US Drought Monitor, we won’t have to wait long to see the assessment of positive impact. So now, how long do we have left in this event? A little longer. The entire system is slow to exit, and will still have the ability to deliver us rainfall for at least several more hours today, and have its clouds hang on for a while after that, into Wednesday. Finally, high pressure does build in following this with fair weather for the remainder of mid week all the way to the start of the weekend.
TODAY: Overcast. Areas of fog. Widespread showers, some heavy at times. Areas of road flooding, especially south of I-90. Highs 63-70. Dew point 60+. Wind NE up to 10 MPH.
TONIGHT: Cloudy. Areas of fog. Showers diminish from north to south. Lows 55-62. Dew point lowering to under 60. Wind NE up to 10 MPH.
WEDNESDAY: Mostly cloudy. Chance of showers South Coast morning. Areas of fog morning. Highs 66-73. Wind NE 5-15 MPH.
WEDNESDAY NIGHT: Clearing. Areas of ground fog overnight. Lows 48-55. Dew point upper 40s. Wind NE to N up to 10 MPH.
THURSDAY: Sunny. Highs 73-80. Dew point lower 50s. Wind N to E up to 10 MPH, except 15 MPH at the coast.
THURSDAY NIGHT: Clear. Patchy ground fog forming. Lows 53-60. Dew point lower 50s. Wind diminishing to calm.
FRIDAY: Sunny. Highs 75-82. Dew point 50s. Wind variable up to 10 MPH with coastal sea breezes.
FRIDAY NIGHT: Clear. Patchy ground fog forming. Lows 53-60. Dew point lower 50s. Wind variable under 10 MPH.
SATURDAY: Mostly sunny. Highs 76-83. Dew point 50s. Wind variable up to 10 MPH with coastal sea breezes.
DAYS 6-10 (SEPTEMBER 11-15)
High pressure hangs on with dry weather to finish the weekend. Early next week a frontal boundary and trough approach from the west with a warm-up and eventual shower chance, then seasonable and dry weather after that passes the region.
DAYS 11-15 (SEPTEMBER 16-20)
Overall pattern looks dry with variable but near to above normal temperatures as high pressure is in control much of the time, probably just one frontal boundary to pass through with a brief chance of showers.