FNUS86 KSGX 090902 FWLSGX ECCDA DISCUSSIONS NATIONAL WEATHER SERVICE SAN DIEGO CA 202 AM PDT FRI MAY 9 2025 ECC033-100315- ORANGE ECC DISPATCH- DISCUSSION FOR ORANGE ECC DISPATCH 202 AM PDT FRI MAY 9 2025 DRY WEATHER WITH SIGNIFICANT WARMING WILL CONTINUE THROUGH SATURDAY WITH SATURDAY HIGH TEMPERATURES AS MUCH AS 20 TO 25 DEGREES ABOVE AVERAGE FOR THE INLAND EMPIRE. A LARGE LOW PRESSURE SYSTEM MOVING TO NEAR THE WEST COAST WILL BEGIN SPREADING COOLING INLAND ON SUNDAY. GREATER COOLING IS EXPECTED FOR MONDAY AND TUESDAY WITH TUESDAY HIGH TEMPERATURES AS MUCH AS 15 TO 20 DEGREES BELOW AVERAGE FOR THE MOUNTAINS. THE MARINE LAYER WILL DECREASE IN DEPTH TO AROUND 1000 FEET FOR SATURDAY, THEN RAPIDLY DEEPEN TO 5000 TO 6000 FEET FOR EARLY NEXT WEEK. THERE WILL BE STRONGER AND GUSTS SOUTHWEST TO WEST WINDS FOR THE MOUNTAINS AND DESERTS FOR MONDAY AND TUESDAY. HIGH TEMPERATURES WILL WARM 5 TO 10 DEGREES FOR WEDNESDAY AND THURSDAY, BUT REMAIN SEVERAL DEGREES BELOW AVERAGE. $$ ECC035-100315- MONTE VISTA ECC DISPATCH- 202 AM PDT FRI MAY 9 2025 DRY WEATHER WITH SIGNIFICANT WARMING WILL CONTINUE THROUGH SATURDAY WITH SATURDAY HIGH TEMPERATURES AS MUCH AS 20 TO 25 DEGREES ABOVE AVERAGE FOR THE INLAND EMPIRE. A LARGE LOW PRESSURE SYSTEM MOVING TO NEAR THE WEST COAST WILL BEGIN SPREADING COOLING INLAND ON SUNDAY. GREATER COOLING IS EXPECTED FOR MONDAY AND TUESDAY WITH TUESDAY HIGH TEMPERATURES AS MUCH AS 15 TO 20 DEGREES BELOW AVERAGE FOR THE MOUNTAINS. THE MARINE LAYER WILL DECREASE IN DEPTH TO AROUND 1000 FEET FOR SATURDAY, THEN RAPIDLY DEEPEN TO 5000 TO 6000 FEET FOR EARLY NEXT WEEK. THERE WILL BE STRONGER AND GUSTS SOUTHWEST TO WEST WINDS FOR THE MOUNTAINS AND DESERTS FOR MONDAY AND TUESDAY. HIGH TEMPERATURES WILL WARM 5 TO 10 DEGREES FOR WEDNESDAY AND THURSDAY, BUT REMAIN SEVERAL DEGREES BELOW AVERAGE. $$ ECC034-100315- RIVERSIDE ECC DISPATCH- 202 AM PDT FRI MAY 9 2025 ...DISCUSSION FROM LAXFWFSGX... DRY WEATHER WITH SIGNIFICANT WARMING WILL CONTINUE THROUGH SATURDAY WITH SATURDAY HIGH TEMPERATURES AS MUCH AS 20 TO 25 DEGREES ABOVE AVERAGE FOR THE INLAND EMPIRE. A LARGE LOW PRESSURE SYSTEM MOVING TO NEAR THE WEST COAST WILL BEGIN SPREADING COOLING INLAND ON SUNDAY. GREATER COOLING IS EXPECTED FOR MONDAY AND TUESDAY WITH TUESDAY HIGH TEMPERATURES AS MUCH AS 15 TO 20 DEGREES BELOW AVERAGE FOR THE MOUNTAINS. THE MARINE LAYER WILL DECREASE IN DEPTH TO AROUND 1000 FEET FOR SATURDAY, THEN RAPIDLY DEEPEN TO 5000 TO 6000 FEET FOR EARLY NEXT WEEK. THERE WILL BE STRONGER AND GUSTS SOUTHWEST TO WEST WINDS FOR THE MOUNTAINS AND DESERTS FOR MONDAY AND TUESDAY. HIGH TEMPERATURES WILL WARM 5 TO 10 DEGREES FOR WEDNESDAY AND THURSDAY, BUT REMAIN SEVERAL DEGREES BELOW AVERAGE. ...DISCUSSION FROM PHXFWFPSR... HIGH PRESSURE WILL STRENGTHEN OVER THE REGION INTO THE WEEKEND LEADING TO HOT TEMPERATURES AND HIGHS TOPPING 100 DEGREES OVER THE MAJORITY OF THE LOWER DESERTS THROUGH SUNDAY. HUMIDITIES WILL DROP A BIT FURTHER TODAY WITH MINRHS AROUND 15% BEFORE DROPPING CLOSER TO 10% BY SUNDAY. AFTER LIGHT WINDS TODAY, WINDS WILL BECOME QUITE BREEZY OUT OF THE EAST ON SATURDAY WITH PEAK GUSTS OF 25-35 MPH DURING THE MORNING HOURS ACROSS PORTIONS OF SOUTHERN ARIZONA. EXPECT ANOTHER ROUND OF EASTERLY BREEZY CONDITIONS SUNDAY MORNING ACROSS EASTERN ARIZONA BEFORE BREEZY CONDITIONS EXPAND TO INCLUDE THE WESTERN DISTRICTS SUNDAY AFTERNOON. THESE CONDITIONS MAY LEAD TO A PERIOD OF ELEVATED FIRE DANGER IN SOME AREAS THIS WEEKEND. NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR. $$