US WX Alerts

FIRE WEATHER OUTLOOK

Fire Weather Planning Forecast For Extreme Southwestern California National Weather Service San Diego CA Sat Jun 3 2023

.DISCUSSION…
Slight warming will occur this weekend with high temperatures slightly above average for the deserts, but remaining below average over/west of the mountains. The marine layer will be shallower, but with night and morning coastal low clouds still extending well inland and covering much of the valleys. A low pressure system from the west early next week will bring cooling, a deeper marine layer, and a slight chance of showers and thunderstorms mainly to the San Bernardino County mountains and into parts of the high desert each afternoon Monday through Wednesday.

Fire Weather Forecast-San Bernardino County Mountains

.TODAY…Sky/weather………Mostly sunny.
Max temperature…..65 to 75 above 6000 feet to 72 to 82 below 6000 feet. 24 HR TREND……Up 10 degrees.
Min humidity……..15 to 20 percent on desert slopes to 20 to 30 percent on coastal slopes. 24 HR TREND……Down 5 percent.
WIND (20 FT)…….. SLOPES………..Winds east 6 to 9 mph with gusts to 20 mph becoming west 7 to 17 mph with gusts to 30 mph
in the afternoon.
RIDGETOP………Winds east 6 to 10 mph becoming south 6 to 11 mph in the afternoon. Gusts to 20 mph.
.TONIGHT…Sky/weather………Mostly clear.
Min temperature…..41 to 51 above 6000 feet to 51 to 60 below 6000 feet. 24 HR TREND……Up 3 degrees.
Max humidity……..25 to 35 percent on desert slopes to 60 to 70 percent on coastal slopes. 24 HR TREND……Down 5 percent.
WIND (20 FT)……..SLOPES………..Winds west 7 to 17 mph with gusts to 30 mph becoming north 6 to 9 mph after midnight.
RIDGETOP………Winds west 6 to 9 mph becoming east 6 to 8 mph after midnight.
.SUNDAY…Sky/weather………Mostly sunny.
Max temperature…..Around 66 above 6000 feet to 72 to 82 below 6000 feet. 24 HR TREND……Down 5 degrees.
Min humidity……..15 to 20 percent on desert slopes to 20 to 30 percent on coastal slopes. 24 HR TREND……Little change.
WIND (20 FT)……..SLOPES………..Winds east 6 to 11 mph with gusts to 20 mph becoming south 7 to 17 mph with gusts to 30 mph
in the afternoon.
RIDGETOP………Winds south 6 to 12 mph with gusts to 20 mph.

FORECAST DAYS 3 THROUGH 7…SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED

.SUNDAY NIGHT…Mostly clear. Lows in the lower 50s. Light winds.
.MONDAY…Cooler. Partly cloudy. Slight chance of showers in the morning, then slight chance of showers and thunderstorms in the
afternoon. Highs in the upper 60s. South winds around 7 mph.

.MONDAY NIGHT…Mostly clear. Slight chance of showers and thunderstorms in the evening. Lows in the mid 40s. West winds
around 8 mph.
.TUESDAY…Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Highs in the mid 60s. West winds
around 8 mph.
.TUESDAY NIGHT…Mostly clear. Lows in the mid 40s. West winds around 7 mph.
.WEDNESDAY…Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Southwest
winds around 7 mph.
.WEDNESDAY NIGHT…Mostly clear. Slight chance of showers and thunderstorms in the evening. Lows in the upper 40s.
.THURSDAY…Mostly sunny. Highs in the upper 60s.
.THURSDAY NIGHT…Mostly clear. Lows in the upper 40s.
.FRIDAY…Mostly sunny. Highs around 70.

HAIL AND TORNADO OUTLOOK FOR TODAY