970
WWUS46 KMFR 220513
WSWMFR
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
913 PM PST SUN DEC 21 2025
..HIGH IMPACT WINTER STORM FOR SISKIYOU COUNTY
.TWO WINTER STORMS WILL LIKELY BRING HEAVY SNOWFALL TO SISKIYOU
COUNTY ABOVE 4500 FEET. THE SNOW LEVEL LATE MONDAY NIGHT THROUGH
TUESDAY NIGHT WILL BE AROUND 5000 TO 6000 FEET. THEN, IT WILL
GRADUALLY LOWER DURING THE SECOND STORM WEDNESDAY EVENING INTO
FRIDAY. SNOW LEVELS WILL BE AROUND 4500 FEET, THOUGH POSSIBLY
FALLING TO AROUND 3500 FEET THURSDAY NIGHT INTO FRIDAY.
ORZ027-028-221200-
/O.CON.KMFR.WW.Y.0019.000000T0000Z-251222T1200Z/
SOUTH CENTRAL OREGON CASCADES-SISKIYOU MOUNTAINS AND SOUTHERN
OREGON CASCADES-
INCLUDING THE FOLLOWING LOCATIONS...CRATER LAKE AND DIAMOND LAKE
913 PM PST SUN DEC 21 2025
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY
* WHAT...WET SNOW EXPECTED. ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 4
INCHES, INCLUDING A STORM TOTAL OF 12 TO 16 INCHES NEAR CRATER
LAKE. WINDS GUSTING AS HIGH AS 40 MPH OVER HIGH AND EXPOSED
TERRAIN.
* WHERE...ELEVATIONS ABOVE 6000 FEET IN THE SOUTHERN OREGON CASCADES
NORTH OF MT. MCLOUGHLIN DURING SUNDAY, THEN ABOVE 5000 FEET DURING
SUNDAY NIGHT. THIS ALSO INCLUDES THE FOLLOWING PASSES OR NOTABLE
LOCATIONS...DIAMOND LAKE, CRATER LAKE NATIONAL PARK, WILLAMETTE
PASS, AND PORTIONS OF HIGHWAYS 62, 138, 230, AND 58.
* WHEN...UNTIL 4 AM PST MONDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL
LIKELY BECOME SLICK AND HAZARDOUS. PLAN ON SLIPPERY ROAD
CONDITIONS AND DELAYS IN YOUR COMMUTE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. CALL 511 OR VISIT
TRIPCHECK.COM FOR ROAD INFORMATION.
BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE
DRIVING. IF YOU ARE GOING OUTSIDE, WATCH YOUR FIRST FEW STEPS TAKEN
ON STAIRS, SIDEWALKS, AND DRIVEWAYS. THESE SURFACES COULD BE ICY AND
SLIPPERY, INCREASING YOUR RISK OF A FALL AND INJURY.
CAZ080-082>084-221315-
/O.CON.KMFR.WS.A.0007.251223T1200Z-251226T1800Z/
WESTERN SISKIYOU COUNTY-SOUTH CENTRAL SISKIYOU COUNTY-NORTH
CENTRAL AND SOUTHEAST SISKIYOU COUNTY-NORTHEAST SISKIYOU AND
NORTHWEST MODOC COUNTIES-
INCLUDING THE FOLLOWING LOCATIONS...BRAY AND TENNANT
913 PM PST SUN DEC 21 2025
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT
THROUGH FRIDAY MORNING ELEVATIONS ABOVE 4500 FEET IN SISKIYOU
COUNTY...
* WHAT...HEAVY SNOW POSSIBLE ABOVE 4500 FEET IN SISKIYOU COUNTY.
TOTAL SNOW ACCUMULATIONS 1 TO 5 FEET POSSIBLE. WINDS COULD GUST AS
HIGH AS 60 MPH OVER HIGH AND EXPOSED TERRAIN. THE HIGHER SNOW
ACCUMULATION TOTALS WILL BE WELL ABOVE THE AVERAGE SNOW LEVEL OF
4500 FEET.
* WHERE...ELEVATIONS ABOVE 4500 FEET IN SISKIYOU COUNTY.
* WHEN...FROM LATE MONDAY NIGHT THROUGH FRIDAY MORNING.
* IMPACTS...TRAVEL MAY BE VERY DIFFICULT TO IMPOSSIBLE. THE
HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY MORNING AND EVENING
COMMUTES. GUSTY WINDS COULD BRING DOWN TREE BRANCHES.
* ADDITIONAL DETAILS...VISIT WEATHER.GOV/MFR/WINTER FOR ADDITIONAL
SNOW PROBABILITIES
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
CAZ085-221315-
/O.CON.KMFR.WS.A.0007.251223T1200Z-251226T1800Z/
MODOC COUNTY-
913 PM PST SUN DEC 21 2025
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT
THROUGH FRIDAY MORNING ABOVE 5500 FT IN MODOC COUNTY...
* WHAT...HEAVY SNOW POSSIBLE ABOVE 5500 FT IN MODOC COUNTY. TOTAL
SNOW ACCUMULATIONS 3 TO 15 INCHES POSSIBLE. WINDS COULD GUST AS
HIGH AS 55 MPH OVER HIGH AND EXPOSED TERRAIN.
* WHERE...ABOVE 5500 FT IN MODOC COUNTY.
* WHEN...FROM LATE MONDAY NIGHT THROUGH FRIDAY MORNING.
* IMPACTS...TRAVEL MAY BE VERY DIFFICULT TO IMPOSSIBLE. THE
HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY MORNING AND EVENING
COMMUTES. STRONG WINDS COULD CAUSE TREE DAMAGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
DW
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