UPDATED at 2:50 p.m. Aug. 16:
The severe thunderstorm warning for west central Riverside County has been canceled by the National Weather Service.
Some rain was reported in Aguanga, near where the Buck fire is burning.
Showers and thunderstorms were expected to continue throughout Riverside County beyond 4 p.m. today.
UPDATED at 2:34 p.m Aug. 16:
A National Weather Service employee reported strong winds and some damage near the Buck fire.
"Doppler radar continued to indicate a severe thunderstorm capable of producing damaging winds in excess of 60 mph," the weather service advised.
The storm was located near Hemet and was moving west at 5 mph. A severe thunderstorm warning remained in effect for west central Riverside County.
Winchester was included in, but not limited to, the warning area.
"This is a dangerous storm. If you are in its path...prepare immediately for damaging winds and deadly cloud to ground lightning," NWS said. "People outside should move to a shelter...preferebly inside a strong building but away from windows."
Showers and thunderstorms were expected to continue throughout Riverside County beyond 4 p.m. Thursday, according to a short term forecast from NWS.
"Rainfall amounts of up to and around an inch an hour is possible in the heaviest thunderstroms. Motorists are urged to slow down...as the brief heavy rains may make the roads slick."
UPDATED at 1:52 p.m. Aug. 16: The thunderstorm was now heading toward Hemet, according to a severe warning issued by the National Weather Service out of San Diego.
The severe weather could bring hail and "deadly cloud to ground lightning" to Hemet by 2:15 p.m. The warning was in effect until 2:30 p.m.
A weather doppler showed the storm moving in from the southeast of Hemet and traveling west, NWS advised.
A significant weather advisory was issued until 1:45 p.m. Thursday for southwest Riverside County.
The National Weather Service advised it was tracking a strong thunderstorm with rain that was 9 miles west of Palomar Mountain and 11 miles southeast of Temecula as of 12:36 p.m.
It was moving west at 5 mph, NWS said.
"Wind gusts up to 50 mph are expected with this storm...along with heavy rain," the warning stated. "If threatening weather approaches your area...take shelter in a sturdy building."
The advisory affects all Riverside County valleys.