 Printer Friendly Version
 Previous Page
Click on the link(s) below to go directly to the forecast segments
Western Shasta Trinity NF Including Trinity Alps and Trinity Dam/Clair Engle Lake
Central Shasta Trinity NF - Lake Shasta Area - North Valley Foothills
NE Shasta Trinity NF including Mt. Shasta, McCloud Basin and Burney Basin
Dispatch Area Discussion...
354 PM PST TUE NOV 24 2009
RIDGE OF HIGH PRESSURE OVER THE AREA THROUGH WEDNESDAY BRINGING MILD
TEMPERATURES AND DRY WEATHER. SURFACE HIGH PRESSURE OVER THE
GREAT BASIN AND THERMAL TROUGH OVER CALIFORNIA BRINGING NORTH TO
EAST WINDS OVER THE AREA ESPECIALLY IN NORTHEAST TO SOUTHWEST
ORIENTED CANYONS AND PASSES IN THE WEST SLOPE OF THE SIERRA. A
COLD FRONT AND ASSOCIATED TROUGH WILL SPLIT AND MOVE THROUGH THE
NORTHERN PORTION OF THE AREA LATE THURSDAY INTO FRIDAY BRINGING
COOLER TEMPERATURES AND SOUTHWESTERLY WINDS ALONG WITH A CHANCE OF
RAIN AND SNOW...MAINLY NORTH OF HIGHWAY 50. RIDGE OF HIGH PRESSURE
BUILDS IN BEHIND THIS SYSTEM BRINGING DRY WEATHER AND GUSTY NORTH
TO EAST WINDS LATE FRIDAY INTO THE WEEKEND.
Forecast is more than 12 hours old! Use with caution!
Forecast Issuance time: 215 PM PST TUE NOV 24 2009
TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT.
MIN TEMPERATURE.....31-41.
MAX HUMIDITY........77-87 PERCENT VALLEYS...65-76 PERCENT HIGHER
TERRAIN.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
WEDNESDAY...
SKY/WEATHER.........SUNNY. PATCHY FOG EARLY IN THE MORNING.
MAX TEMPERATURE.....59-67 VALLEYS...54-64 HIGHER TERRAIN.
MIN HUMIDITY........23-31 PERCENT.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 1 TO 3 MPH.
RIDGES/UPR SLOPES....VARIABLE 1 TO 3 MPH.
WEDNESDAY NIGHT...
SKY/WEATHER.........PARTLY CLOUDY...THEN BECOMING MOSTLY CLOUDY.
MIN TEMPERATURE.....31-41.
MAX HUMIDITY........86-96 PERCENT VALLEYS...55-65 PERCENT HIGHER
TERRAIN.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...DOWNSLOPE/DOWNVALLEY 1 TO 3 MPH.
RIDGES/UPR SLOPES....VARIABLE 1 TO 3 MPH.
THANKSGIVING DAY...
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN.
MAX TEMPERATURE.....56-64 VALLEYS...52-60 HIGHER TERRAIN.
MIN HUMIDITY........56-63 PERCENT VALLEYS...47-54 PERCENT HIGHER
TERRAIN.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 4 MPH...BECOMING SOUTH 5
TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 10 MPH...WITH GUSTS UP TO
17 MPH.EXTENDED...
.FRIDAY...RAIN LIKELY AND CHANCE OF SNOW SHOWERS. LOWS 31 TO 41.
HIGHS 47 TO 55 VALLEYS...40 TO 53 HIGHER TERRAIN. NORTHWEST WINDS
5 MPH.
.SATURDAY...PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS
23 TO 33. HIGHS 51 TO 61 VALLEYS...45 TO 58 HIGHER TERRAIN. NORTH
WINDS 5 MPH.
.SUNDAY...PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS 29 TO
37. HIGHS 54 TO 62 VALLEYS...47 TO 60 HIGHER TERRAIN. NORTHEAST
WINDS 5 MPH.
.6 TO 10 DAY OUTLOOK...MONDAY NOVEMBER 30 THROUGH FRIDAY DECEMBER 4, 2009...
FOR NW CALIF...NEAR NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
Forecast is more than 12 hours old! Use with caution!
Forecast Issuance time: 310 PM PST TUE NOV 24 2009
TONIGHT...
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....31-46.
MAX HUMIDITY........54-74 PERCENT.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 6 TO 13 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
RIDGES/UPR SLOPES....NORTHEAST WINDS 8 TO 18 MPH WITH LOCAL
GUSTS UP TO 35 MPH.
CWR (>= 0.10 IN)....0.
WEDNESDAY...
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....54-68.
MIN HUMIDITY........27-42 PERCENT.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 7 TO 15 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
RIDGES/UPR SLOPES....NORTHEAST WINDS 10 TO 20 MPH. LOCAL GUSTS
UP TO 32 MPH IN THE MORNING.
CWR (>= 0.10 IN)....0.
WEDNESDAY NIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....32-45.
MAX HUMIDITY........55-75 PERCENT.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 6 TO 14 MPH WITH LOCAL GUSTS UP
TO 24 MPH.
RIDGES/UPR SLOPES....NORTHEAST WINDS 8 TO 18 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
CWR (>= 0.10 IN)....0.
THANKSGIVING DAY...
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
AFTERNOON.
MAX TEMPERATURE.....47-60.
MIN HUMIDITY........41-62 PERCENT.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 TO 10 MPH WITH LOCAL
GUSTS UP TO 21 MPH IN THE MORNING BECOMING
UPSLOPE/UPVALLEY 3 TO 7 MPH.
RIDGES/UPR SLOPES....EAST WINDS 6 TO 14 MPH SHIFTING TO THE
SOUTH IN THE AFTERNOON. LOCAL GUSTS UP TO
25 MPH.
CWR (>= 0.10 IN)....10.EXTENDED...
.FRIDAY...MOSTLY CLOUDY WITH RAIN AND SNOW LIKELY. LOWS IN THE
30S. HIGHS IN THE 40S. WEST WINDS 10 TO 15 MPH WITH LOCAL GUSTS
20 TO 30 MPH.
.SATURDAY...PARTLY CLOUDY. LOWS 25 TO 35. HIGHS 45 TO 55.
NORTHEAST WINDS 10 TO 20 MPH WITH LOCAL GUSTS 30 TO 40 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS 25 TO 35. HIGHS IN THE 50S.
NORTHEAST WINDS 10 TO 20 MPH WITH LOCAL GUSTS 30 TO 40 MPH.
Forecast Issuance time: 700 AM PST WED NOV 25 2009
TODAY...
SKY/WEATHER.........MOSTLY SUNNY. AREAS OF FREEZING FOG IN THE
MORNING.
MAX TEMPERATURE.....50-60 VALLEYS AND 45-50 RIDGES.
MIN HUMIDITY........35-45 PERCENT.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST WINDS 6 TO 12 MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 6 TO 12 MPH.
CWR (>= 0.10 IN)....0.
TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....25-30 VALLEYS AND 30-35 RIDGES.
MAX HUMIDITY........90-100 PERCENT VALLEYS AND 50-70 PERCENT
RIDGES.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST WINDS 6 TO 12 MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 6 TO 12 MPH WITH GUSTS TO
AROUND 20 MPH.
CWR (>= 0.10 IN)....0.
THANKSGIVING DAY...
SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE
EVENING.
MAX TEMPERATURE.....50-55 VALLEYS AND 45-50 RIDGES.
MIN HUMIDITY........35-45 PERCENT.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH WINDS 6 TO 12 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 15 MPH. GUSTS UP TO 40
MPH.
CWR (>= 0.10 IN)....20.
EXTENDED...
.FRIDAY...COLDER. MOSTLY CLOUDY. BREEZY. CHANCE OF SNOW SHOWERS.
LOWS 20 TO 30. HIGHS 35 TO 45. WEST WINDS 15 TO 25 MPH.
.SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS
20 TO 25. HIGHS 40 TO 45. NORTHEAST WINDS 5 TO 15 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS 25 TO 30. HIGHS 40 TO 45. NORTHEAST
WINDS 5 TO 15 MPH.
.MONDAY THROUGH TUESDAY...PARTLY CLOUDY. LOWS 25 TO 30. HIGHS
40 TO 50.
=
|
www.weather.gov 
