Thunderstorms could hit SLO County as remnants of tropical storm linger over Central Coast

San Luis Obispo County is in for a hot and humid Monday as the remnants of a tropical storm linger over the region, bringing with it the possibility for rain and even thunderstorms through this afternoon.

Today’s showers could be a brief break from the high temperatures which scorched San Luis Obispo County over the weekend.

The National Weather Service reported thunderstorms and rain in the Central Coast were likely due to moisture and warm air rising as what was left of Tropical Storm Alberto swept across the area.

With that, a weak upper-level trough brought cooler air upwards and strong, onshore wind contributed to more contrasting temperatures and disrupted marine layer clouds.

“The threat of isolated thunderstorms will remain today, possibly through Tuesday as moisture from the remnants of Tropical Storm Alberto linger over the region,” the forecast read.

As of Monday morning, Vandenberg Space Force Base was seeing precipitation in the mid-levels of the atmosphere, according to a post on X from meteorologist John Lindsey.

Lindsey said most of the moisture will evaporate before reaching the ground, so “scattered sprinkles” were likely to hit only a few places through Monday, including the San Luis Obispo County Regional Airport.

Heat advisory still in effect in parts of SLO County

Meanwhile, much of San Luis Obispo County was still under a heat advisory on Monday, with temperatures in the 90s to 100s, according to the National Weather Service. That advisory was expected to expire at 8 p.m. Monday.

The National Weather Service warned that heat-related illnesses can increase significantly during heat events and encouraged people to be mindful of increased risks of fires and avoid activities that could generate sparks.

The advisory also asked people to report any fires to authorities as the high temperatures and recently windy skies spike the risk of dangerous wildfires.