Rainfall, heavy at times, is expected to continue Sunday in Southern California and remain at least through Tuesday, according to the National Weather Service.
The Sunday forecast also includes a chance of thunderstorms in the afternoon, with highs in the low 60s.
City spokesperson Lisa Dederian said Sunday morning that no storm damage has yet been reported in Pasadena.
“The hillsides and ground are very saturated, so we’ll continue to keep a close eye out for mud and debris flows that can still occur even as the weather improves,” Derderian said.
As the storm that soaked the region last week moves eastward, “another weaker impulse will move into the area early Sunday,” forecasters said. “Drier weather is expected Tuesday night through late in the week, with cold nights for many areas Wednesday night through Friday.”
Forecasters cited a 30%-40% chance of more showers on Monday and Tuesday, with skies likely clearing up after that.
Evacuation warnings across Altadena and some Pasadena neighborhoods — especially in recent burn scars — remain in effect and residents were advised to prepare in case orders to evacuate are necessary.
To check on evacuation statuses, residents can download the Genasys Alert app or visit genasys.com.
Motorists were also advised to stay off the roads if possible, and to exercise extreme caution if they do drive.
For up-to-date information on the storm in Altadena, residents can visit lacounty.gov/emergency or sign up for emergency alerts at alert.lacounty.gov.
Pasadena residents can sign up for a localized emergency notification system known as PLEAS, or the Pasadena Local Emergency Alert System, by clicking here.
Officials in Altadena and Pasadena are offering free sand and sandbags to help residents protect homes from storm runoff and debris flows.
In Altadena, the Los Angeles County Sheriff’s Department noted that “properly filled and placed sandbags can be used by residents to divert moving water, redirecting storm and debris flow away from your property.”
The county program requires proof of Altadena residency. The town’s official sandbag site is at the Los Angeles County Public Works Fleet Maintenance Yard, at 252 Mountain View St. in Altadena.
The City of Pasadena designates two fire stations as permanent sandbag distribution locations: Fire Station 37, 3430 East Foothill Boulevard, and Fire Station 38, 1150 Linda Vista Avenue.
Both stations offer self-serve sand and sandbags available year-round to Pasadena residents. During periods of anticipated rainfall, the stations typically operate distribution from 8:00 a.m. to 5:00 p.m., though availability may vary depending on weather conditions.
Residents are encouraged to collect sandbags before storms arrive, as supplies may become limited during high-demand periods.
Here is the latest forecast from the National Weather Service as of 5:02 a.m. on Sunday:
Sunday: A chance of showers, then showers and possibly a thunderstorm after 10 a.m. High near 59. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night: Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10 p.m. Low around 49. South southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday: Partly sunny, with a high near 59. South wind around 5 mph.
Monday Night: Mostly cloudy, with a low around 47. South southeast wind around 5 mph becoming calm.
Tuesday: A 20 percent chance of showers. Partly sunny, with a high near 61.
Tuesday Night: Partly cloudy, with a low around 45.
Wednesday: Sunny, with a high near 62.
Wednesday Night: Mostly clear, with a low around 44.
Thursday: Sunny, with a high near 62.
Thursday Night: Mostly clear, with a low around 43.
Friday: Mostly sunny, with a high near 64.
Friday Night: Mostly clear, with a low around 43.
Saturday: Sunny, with a high near 66.
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