BANNING-BEAUMONT, CA – Thunderstorms in the San Gorgonio Pass area brought some showers to the area on Friday afternoon, and rainfall could continue until Saturday night, according to the National Weather Service.
“An area of low pressure on the upper level is currently circulating over northern Baja California. This has been linked to wet east and north currents, where thunderstorms developed this morning and are currently ongoing over much of the area,” the NWS reported . “The atmosphere today will be unstable enough … to support individual showers and thunderstorms in the western valleys and coastal areas. Storms can create areas of heavy rain that can cause flash floods for the mountains of Riverside and San Diego Counties. Deserts. “
A flash flood watch remained in effect in the Riverside County mountains and Coachella Valley through 7 p.m. Friday, according to the NWS.
“The chances of storms will decrease somewhat for Saturday as the low shifts slightly to the south, where storms will mainly be confined to the mountains and deserts …” reported the NWS. “If the low pressure system slowly moves east on Sunday, the atmosphere will lose some of its instability and buoyancy, so storms will have less chance of surfacing over the mountains and lower deserts.
“Temperatures will continue to drop over the weekend, where we will see 5 degrees below average in most areas by Sunday,” the agency said.
The highs in the Banning and Beaumont pass areas will be in the mid-80s on Saturday and in the 80s on Sunday. According to the NWS, the probability of rain on Saturday is 30 percent.