Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Medford, OR
Issued by NWS Medford, OR
991
FNUS56 KMFR 181042
FWFMFR
Fire Weather Forecast for southern Oregon and northern California
National Weather Service Medford, OR
342 AM PDT Fri Sep 18 2026
.DISCUSSION...Low pressure will shift eastward into Idaho today,
bringing an end to shower activity by late morning. Below normal
temperatures continue today, then trend warmer over the weekend
as a shortwave ridge passes through the area. Dry conditions will
persist this weekend and through much of next week, with
temperatures hovering near to just above seasonable normals after
the weekend.
ORZ615-618-182315-
South Central Oregon Coast-Southern Oregon Coast-
342 AM PDT Fri Sep 18 2026
.Today...
* Sky/weather...........Partly cloudy. Areas of dense fog until
noon.
* Max temperature.......65-70.
* Min humidity..........70-80 percent valleys and 60-70 percent
ridges.
* 20-foot winds.........
* Coast.....Light winds becoming northwest 5 to 6 mph in
the afternoon.
* Inland....Light winds becoming northwest 5 to 6 mph in
the afternoon.
* Mixing Height.....................500-2300 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Brookings 66 77
North Bend 71 61 10
.TONIGHT...
* Sky/weather...........Partly cloudy.
* Min temperature.......Around 50.
* Max humidity..........90-100 percent.
* 20-foot winds.........
* Coast.....Northwest winds up to 5 mph in the evening
becoming light.
* Inland....Light winds.
* Mixing Height.....................400-1800 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Brookings 51 100
North Bend 49 99
.SATURDAY...
* Sky/weather...........Partly cloudy until 0900, then mostly
cloudy until noon, then partly cloudy.
* Max temperature.......65-75.
* Min humidity..........70-80 percent valleys and 60-70 percent
ridges.
* 20-foot winds.........
* Coast.....Light winds becoming north 5 to 6 mph in the
afternoon.
* Inland....Light winds becoming north up to 5 mph in
the afternoon.
* Mixing Height.....................500-2400 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Brookings 67 75
North Bend 72 59
.EXTENDED...
.SATURDAY NIGHT...Partly cloudy. Lows 50 to 55. North winds 5 to
6 mph.
.SUNDAY...Mostly cloudy in the morning then clearing. Highs 65 to
75. North winds 5 to 6 mph.
.MONDAY...Partly cloudy. Lows 50 to 55. Highs 65 to 75. North
winds 5 to 8 mph.
.TUESDAY...Partly cloudy. Lows 50 to 55. Highs 65 to 75. North
winds 5 to 8 mph.
.WEDNESDAY...Partly cloudy. Lows 50 to 55. Highs 65 to 75.
.THURSDAY...Mostly cloudy. Lows 50 to 55. Highs 65 to 70.
$$
ORZ616-182315-
Umpqua Basin-
342 AM PDT Fri Sep 18 2026
.Today...
* Sky/weather...........Mostly cloudy until 0900, then partly
cloudy until 1500, then sunny. Patchy fog until 0900.
* Max temperature.......75-80 valleys and 65-70 ridges.
* Min humidity..........40-55 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming northwest up to 5 mph
in the afternoon.
* Ridges/upr slopes....Light winds becoming northwest 5 to 6 mph in
the afternoon.
* Mixing Height.....................300-1500 ft AGL until noon,
then 2400-4000 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
North Bank 75 40
Roseburg 81 35
Silver Butte 72 46
.TONIGHT...
* Sky/weather...........Partly cloudy.
* Min temperature.......Around 50.
* Max humidity..........90-100 percent valleys and 75-80 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds.
* Ridges/upr slopes....Northwest winds up to 5 mph in the evening
becoming light.
* Mixing Height.....................2100-3600 ft AGL until 2100,
then 300-800 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
North Bank 50 95
Roseburg 52 93
Silver Butte 48 86
.SATURDAY...
* Sky/weather...........Partly cloudy until late afternoon then
clearing.
* Max temperature.......75-80.
* Min humidity..........35-50 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds.
* Ridges/upr slopes....East winds up to 5 mph in the morning
becoming light.
* Mixing Height.....................400-1200 ft AGL until noon,
then 2800-4000 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
North Bank 77 36
Roseburg 82 30
Silver Butte 74 38
.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Lows around 50. North winds 5 to
6 mph.
.SUNDAY...Partly cloudy in the morning then clearing. Highs 75 to
80. Light winds becoming northwest 5 to 6 mph in the afternoon
and evening.
.MONDAY...Partly cloudy. Lows around 50. Highs 70 to 75. North
winds 5 to 6 mph.
.TUESDAY...Partly cloudy. Lows 45 to 50. Highs 65 to 75.
Northwest winds 5 to 6 mph.
.WEDNESDAY...Partly cloudy. Lows 45 to 50. Highs 70 to 75.
.THURSDAY...Partly cloudy. Lows around 50. Highs 70 to 75.
$$
ORZ617-182315-
Umpqua National Forest-
342 AM PDT Fri Sep 18 2026
.Today...
* Sky/weather...........Sunny.
* Max temperature.......70-75 valleys and 60-65 ridges.
* Min humidity..........35-45 percent valleys and 45-50 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming west around 5 mph in
the afternoon.
* Ridges/upr slopes....Light winds becoming west 5 to 6 mph in the
afternoon.
* Mixing Height.....................500-1800 ft AGL until noon,
then 3300-4600 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Toketee Falls 76 39
.TONIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......Around 50 valleys and 40-45 ridges.
* Max humidity..........70-80 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming east around 6 mph after
midnight.
* Ridges/upr slopes....North winds up to 5 mph shifting to the east
5 to 6 mph after midnight.
* Mixing Height.....................3000-3900 ft AGL until 2100,
then 400 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Toketee Falls 46 83
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......75-80 valleys and 65-70 ridges.
* Min humidity..........25-35 percent.
* 20-foot winds.........
* Valleys/lwr slopes...East winds around 6 mph in the morning
becoming light.
* Ridges/upr slopes....Southeast winds 5 to 6 mph in the morning
becoming light.
* Mixing Height.....................400-2000 ft AGL until noon,
then 3700-5400 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Toketee Falls 82 24
.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Lows 45 to 55. Northeast winds
5 to 6 mph.
.SUNDAY...Mostly clear. Highs 70 to 80. East winds 5 to 6 mph
shifting to the northwest in the afternoon and evening.
.MONDAY...Mostly clear. Lows 45 to 55. Highs 65 to 75. Northwest
winds 5 to 6 mph.
.TUESDAY...Partly cloudy. Lows 45 to 50. Highs 65 to 75.
Northwest winds 5 to 6 mph.
.WEDNESDAY...Partly cloudy. Lows 45 to 50. Highs 65 to 75.
.THURSDAY...Partly cloudy. Lows 45 to 50. Highs 65 to 75.
$$
ORZ619-182315-
Western Siskiyou National Forest-
342 AM PDT Fri Sep 18 2026
.Today...
* Sky/weather...........Partly cloudy in the morning then clearing.
Patchy dense fog until 0900.
* Max temperature.......65-75.
* Min humidity..........45-65 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming southwest 5 to 6 mph in
the afternoon.
* Ridges/upr slopes....Light winds becoming west 5 to 6 mph in the
afternoon.
* Mixing Height.....................400-3400 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Quail Prairie 72 56
Agness 84 37
.TONIGHT...
* Sky/weather...........Partly cloudy.
* Min temperature.......50-55.
* Max humidity..........75-90 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Northwest winds up to 5 mph in the evening
becoming light.
* Ridges/upr slopes....North winds up to 5 mph shifting to the east
5 to 6 mph after midnight.
* Mixing Height.....................1300-2400 ft AGL until 2100,
then 500 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Quail Prairie 52 81
Agness 53 86
.SATURDAY...
* Sky/weather...........Partly cloudy until late afternoon then
clearing.
* Max temperature.......70-80.
* Min humidity..........40-60 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds.
* Ridges/upr slopes....East winds 5 to 6 mph in the morning
becoming light.
* Mixing Height.....................500-1200 ft AGL until noon,
then 2200-4300 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Quail Prairie 75 48
Agness 88 30
.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Lows 50 to 55. North winds 5 to
6 mph.
.SUNDAY...Partly cloudy in the morning then becoming mostly
clear. Highs 70 to 80. Northeast winds 5 to 6 mph shifting to the
north in the afternoon and evening.
.MONDAY...Mostly clear. Lows 50 to 55. Highs 70 to 80. North
winds 5 to 6 mph.
.TUESDAY...Mostly clear. Lows 50 to 55. Highs 65 to 75. North
winds 5 to 8 mph.
.WEDNESDAY...Partly cloudy. Lows 50 to 55. Highs 70 to 80.
.THURSDAY...Partly cloudy. Lows 50 to 55. Highs 65 to 75.
$$
ORZ620-622-182315-
Western Rogue Basin including the Illinois Valley-
Eastern Rogue Valley-
342 AM PDT Fri Sep 18 2026
.Today...
* Sky/weather...........Sunny. Areas of dense fog until 0900.
* Max temperature.......80-85 valleys and 65-70 ridges.
* Min humidity..........25-35 percent valleys and 35-45 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming northwest up to 5 mph
in the afternoon.
* Ridges/upr slopes....Light winds becoming northwest 5 to 6 mph in
the afternoon.
* Mixing Height.....................500-1700 ft AGL until noon,
then 3400-5900 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Onion Mtn 70 38
Illinois Vly 83 37
Medford 84 25
.TONIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......Around 50.
* Max humidity..........75-85 percent valleys and 60-70 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds.
* Ridges/upr slopes....North winds 5 to 6 mph shifting to the east
after midnight.
* Mixing Height.....................3600-5600 ft AGL until 2100,
then 300-700 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Onion Mtn 50 69
Illinois Vly 47 88
Medford 50 72
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......85-90 valleys and 70-75 ridges.
* Min humidity..........15-25 percent valleys and 25-35 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds.
* Ridges/upr slopes....East winds 5 to 6 mph shifting to the north
up to 5 mph in the afternoon.
* Mixing Height.....................400-1600 ft AGL until noon,
then 3400-5600 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Onion Mtn 73 26
Illinois Vly 87 26
Medford 87 15
.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Lows 50 to 55. North winds up to
5 mph.
.SUNDAY...Mostly clear. Highs 80 to 90. East winds 5 to 6 mph
shifting to the north in the afternoon and evening.
.MONDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85. North
winds 5 to 6 mph.
.TUESDAY...Mostly clear. Lows 45 to 50. Highs 70 to 80. North
winds 5 to 6 mph.
.WEDNESDAY...Partly cloudy. Lows 45 to 55. Highs 70 to 80.
.THURSDAY...Partly cloudy. Lows 50 to 55. Highs 75 to 85.
$$
ORZ621-623-182315-
Siskiyou Mountains-Southern Oregon Cascades-
342 AM PDT Fri Sep 18 2026
.Today...
* Sky/weather...........Sunny.
* Max temperature.......70-75 valleys and 60-65 ridges.
* Min humidity..........30-40 percent valleys and 40-50 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming northwest 5 to 6 mph in
the afternoon.
* Ridges/upr slopes....Northwest winds 5 to 6 mph.
* Mixing Height.....................500-1800 ft AGL until noon,
then 3800-5600 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Acorn Woman Pk 65 39
Mt Stella 68 40
.TONIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......40-50.
* Max humidity..........60-75 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Northwest winds 5 to 6 mph in the evening
becoming light.
* Ridges/upr slopes....Northwest winds 5 to 6 mph shifting to the
northeast up to 5 mph after midnight.
* Mixing Height.....................3700-4700 ft AGL until 2100,
then 500 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Acorn Woman Pk 50 56
Mt Stella 48 69
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......75-80 valleys and 65-70 ridges.
* Min humidity..........20-25 percent valleys and 25-35 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Southeast winds 5 to 6 mph shifting to the
northeast around 5 mph in the afternoon.
* Ridges/upr slopes....East winds 5 to 6 mph in the morning
becoming light.
* Mixing Height.....................400-2100 ft AGL until noon,
then 4400-6000 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Acorn Woman Pk 70 27
Mt Stella 74 22
.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Lows 45 to 55. Northeast winds
5 to 6 mph.
.SUNDAY...Mostly clear. Highs 75 to 85. East winds 5 to 6 mph
shifting to the north in the afternoon and evening.
.MONDAY...Mostly clear. Lows 45 to 55. Highs 70 to 80. Northwest
winds 5 to 6 mph.
.TUESDAY...Mostly clear. Lows 40 to 50. Highs 65 to 75. Northwest
winds 5 to 6 mph.
.WEDNESDAY...Partly cloudy. Lows 40 to 50. Highs 65 to 75.
.THURSDAY...Partly cloudy. Lows 45 to 50. Highs 65 to 75.
$$
ORZ624-182315-
Klamath Basin and the Fremont-Winema National Forest-
342 AM PDT Fri Sep 18 2026
.Today...
* Sky/weather...........Partly cloudy until late afternoon then
clearing.
* Max temperature.......65-70 valleys and 55-60 ridges.
* Min humidity..........30-40 percent valleys and 40-45 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming northwest 5 to 6 mph in
the afternoon.
* Ridges/upr slopes....Northwest winds 5 to 6 mph.
* Mixing Height.....................500-2200 ft AGL until noon,
then 4100-6800 ft AGL.
* Chance of lightning...............1 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Hoyt 69 36
Chiloquin 73 36
Gerber 71 34
.TONIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......35-40.
* Max humidity..........75-90 percent valleys and 60-75 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Northwest winds 5 to 6 mph in the evening
becoming light.
* Ridges/upr slopes....North winds 5 to 6 mph.
* Mixing Height.....................5200-6600 ft AGL until 2100,
then 500 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Hoyt 39 78
Chiloquin 38 89
Gerber 39 79
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......70-75 valleys and 60-65 ridges.
* Min humidity..........20-30 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds.
* Ridges/upr slopes....Light winds becoming southeast up to 5 mph
in the afternoon.
* Mixing Height.....................400 ft AGL until 0900.
3800-6300 ft AGL after noon.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Hoyt 73 26
Chiloquin 76 24
Gerber 75 25
.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Lows 35 to 45. Light winds.
.SUNDAY...Mostly clear. Highs 70 to 80. Northeast winds up to
5 mph in the morning becoming light.
.MONDAY...Mostly clear. Lows 40 to 45. Highs 70 to 80. Northwest
winds 5 to 6 mph.
.TUESDAY...Mostly clear. Lows 35 to 45. Highs 70 to 80. West
winds 5 to 6 mph.
.WEDNESDAY...Mostly clear. Lows 35 to 45. Highs 70 to 75.
.THURSDAY...Partly cloudy. Lows 40 to 45. Highs 70 to 75.
$$
ORZ625-182315-
South Central Oregon Desert including the BLM Land in Eastern
Lake and Western Harney Counties-
342 AM PDT Fri Sep 18 2026
.Today...
* Sky/weather...........Mostly cloudy with a slight chance of rain
until 0900, then partly cloudy.
* Max temperature.......Around 70 valleys and 60-65 ridges.
* Min humidity..........30-35 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Northwest winds 5 to 8 mph.
* Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 20
mph late in the afternoon.
* Mixing Height.....................400-2500 ft AGL until noon,
then 4500-6700 ft AGL.
* Chance of lightning...............2 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Fish Fin Rim 69 32 10
Fort Rock 72 34
Rock Creek 66 35 20
.TONIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......35-45.
* Max humidity..........70-90 percent valleys and 65-75 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Northwest winds 5 to 8 mph in the evening
becoming light.
* Ridges/upr slopes....Northwest winds 5 to 8 mph. Gusts up to 20
mph early in the evening.
* Mixing Height.....................5800-6600 ft AGL until 2100,
then 600 ft AGL.
* Chance of lightning...............1 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Fish Fin Rim 42 69
Fort Rock 35 93
Rock Creek 42 68
.SATURDAY...
* Sky/weather...........Partly cloudy until noon, then sunny.
* Max temperature.......70-75.
* Min humidity..........20-25 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming north up to 5 mph in
the afternoon.
* Ridges/upr slopes....West winds up to 5 mph shifting to the north
5 to 6 mph in the afternoon.
* Mixing Height.....................500-2300 ft AGL until noon,
then 3700-5600 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Fish Fin Rim 73 19
Fort Rock 74 24
Rock Creek 69 21
.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Lows 40 to 45. Northeast winds
5 to 6 mph.
.SUNDAY...Partly cloudy in the morning then becoming mostly
clear. Highs 75 to 80. Light winds becoming east 5 to 6 mph in
the afternoon and evening.
.MONDAY...Partly cloudy. Lows 40 to 50. Highs 75 to 80. North
winds 5 to 6 mph.
.TUESDAY...Mostly clear. Lows 40 to 50. Highs 75 to 80. West
winds 5 to 6 mph.
.WEDNESDAY...Mostly clear. Lows 40 to 50. Highs 75 to 80.
.THURSDAY...Partly cloudy. Lows 40 to 50. Highs 75 to 80.
$$
CAZ280-182315-
Western Klamath National Forest-
342 AM PDT Fri Sep 18 2026
.Today...
* Sky/weather...........Sunny.
* Max temperature.......80-85 valleys and 60-70 ridges.
* Min humidity..........25-30 percent valleys and 30-40 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming northwest 5 to 6 mph in
the afternoon.
* Ridges/upr slopes....Light winds becoming northwest 5 to 6 mph in
the afternoon.
* Mixing Height.....................500-1800 ft AGL until noon,
then 4500-6900 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Happy Camp 86 24
Fort Jones 81 26
.TONIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......45-55.
* Max humidity..........55-75 percent valleys and 50-55 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Northwest winds 5 to 6 mph shifting to the
east up to 5 mph after midnight.
* Ridges/upr slopes....North winds 5 to 6 mph shifting to the east
after midnight.
* Mixing Height.....................4300-6500 ft AGL until 2100,
then 500 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Happy Camp 49 80
Fort Jones 45 71
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......80-90 valleys and 65-70 ridges.
* Min humidity..........15-20 percent valleys and 25-30 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...East winds up to 5 mph in the morning
becoming light.
* Ridges/upr slopes....East winds 5 to 6 mph shifting to the north
up to 5 mph in the afternoon.
* Mixing Height.....................500-2100 ft AGL until noon,
then 4800-7100 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Happy Camp 90 17
Fort Jones 84 18
.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Lows 50 to 55. North winds 5 to
6 mph.
.SUNDAY...Mostly clear. Highs 80 to 90. East winds 5 to 6 mph
shifting to the north in the afternoon and evening.
.MONDAY...Mostly clear. Lows 50 to 60. Highs 75 to 85. North
winds 5 to 6 mph.
.TUESDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85. Northwest
winds 5 to 6 mph.
.WEDNESDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85.
.THURSDAY...Partly cloudy. Lows 50 to 55. Highs 75 to 85.
$$
CAZ281-182315-
Central Siskiyou County Including Shasta Valley-
342 AM PDT Fri Sep 18 2026
.Today...
* Sky/weather...........Sunny.
* Max temperature.......Around 80 valleys and 65-70 ridges.
* Min humidity..........25-30 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming north 5 to 6 mph in the
afternoon.
* Ridges/upr slopes....Light winds becoming north 5 to 6 mph in the
afternoon.
* Mixing Height.....................500-1700 ft AGL until noon.
5800-7000 ft AGL after 1500.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Yreka 80 27
.TONIGHT...
* Sky/weather...........Clear.
* Min temperature.......45-50.
* Max humidity..........60-70 percent valleys and 50-60 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...North winds 5 to 6 mph in the evening
becoming light.
* Ridges/upr slopes....North winds up to 5 mph in the evening
becoming light.
* Mixing Height.....................5100-6500 ft AGL until 2100,
then 500 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Yreka 49 61
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......80-85 valleys and 70-75 ridges.
* Min humidity..........15-20 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds.
* Ridges/upr slopes....Light winds becoming northeast up to 5 mph
in the afternoon.
* Mixing Height.....................500-1600 ft AGL until noon,
then 3300-5800 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Yreka 83 17
.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Lows 50 to 55. Northeast winds up
to 5 mph.
.SUNDAY...Mostly clear. Highs 80 to 90. Light winds becoming
north up to 5 mph in the afternoon and evening.
.MONDAY...Mostly clear. Lows 50 to 55. Highs 80 to 90. North
winds 5 to 6 mph.
.TUESDAY...Mostly clear. Lows 45 to 55. Highs 75 to 85. North
winds 5 to 6 mph.
.WEDNESDAY...Mostly clear. Lows 45 to 55. Highs 75 to 85.
.THURSDAY...Partly cloudy. Lows 50 to 55. Highs 75 to 85.
$$
CAZ282-182315-
Shasta-Trinity National Forest in Siskiyou County-
342 AM PDT Fri Sep 18 2026
.Today...
* Sky/weather...........Sunny.
* Max temperature.......75-80 valleys and 60-65 ridges.
* Min humidity..........30 percent valleys and 35-40 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...North winds 5 to 6 mph.
* Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height.....................500-2200 ft AGL until noon,
then 4600-7400 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Mount Shasta 77 30
.TONIGHT...
* Sky/weather...........Clear.
* Min temperature.......40-50.
* Max humidity..........65-85 percent valleys and 45-55 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...North winds up to 5 mph in the evening
becoming light.
* Ridges/upr slopes....North winds 5 to 6 mph.
* Mixing Height.....................4400-6900 ft AGL until 2100,
then 500 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Mount Shasta 44 70
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......80-85 valleys and 65-70 ridges.
* Min humidity..........20-25 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Northeast winds 5 to 6 mph in the morning
becoming light.
* Ridges/upr slopes....North winds up to 5 mph in the morning
becoming light.
* Mixing Height.....................500 ft AGL until 0900.
5200-6900 ft AGL after noon.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Mount Shasta 82 23
.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Lows 40 to 50. North winds up to
5 mph.
.SUNDAY...Partly cloudy. Highs 75 to 85. Northeast winds up to
5 mph in the morning becoming light.
.MONDAY...Mostly clear. Lows 40 to 50. Highs 75 to 85. North
winds up to 5 mph.
.TUESDAY...Mostly clear. Lows 40 to 50. Highs 75 to 85. West
winds up to 5 mph.
.WEDNESDAY...Mostly clear. Lows 40 to 50. Highs 75 to 85.
.THURSDAY...Partly cloudy. Lows 40 to 50. Highs 70 to 80.
$$
CAZ284-285-182315-
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
342 AM PDT Fri Sep 18 2026
.Today...
* Sky/weather...........Partly cloudy until late afternoon then
clearing.
* Max temperature.......70-75 valleys and 60-65 ridges.
* Min humidity..........30-40 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming northwest 5 to 8 mph in
the afternoon.
* Ridges/upr slopes....Northwest winds 5 to 6 mph.
* Mixing Height.....................400-2400 ft AGL until noon,
then 4400-7100 ft AGL.
* Chance of lightning...............1 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Juanita lake 72 29
Tulelake 72 36
Alturas 73 29
.TONIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......40-45.
* Max humidity..........65-80 percent valleys and 55-70 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Northwest winds 5 to 6 mph in the evening
becoming light.
* Ridges/upr slopes....North winds 5 to 6 mph.
* Mixing Height.....................5500-7000 ft AGL until 2100,
then 500 ft AGL.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Juanita lake 48 57
Tulelake 41 80
Alturas 36 75
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......75-80 valleys and 65-70 ridges.
* Min humidity..........15-25 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds.
* Ridges/upr slopes....Light winds becoming northeast up to 5 mph
in the afternoon.
* Mixing Height.....................500 ft AGL until 0900.
4200-6500 ft AGL after noon.
* Chance of lightning...............0 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Juanita lake 77 19
Tulelake 74 26
Alturas 78 15
.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Lows 40 to 50. Northeast winds up
to 5 mph.
.SUNDAY...Partly cloudy. Highs 75 to 85. East winds 5 to 6 mph.
.MONDAY...Mostly clear. Lows 45 to 50. Highs 75 to 85. North
winds 5 to 6 mph.
.TUESDAY...Mostly clear. Lows 45 to 50. Highs 75 to 85. West
winds 5 to 6 mph.
.WEDNESDAY...Mostly clear. Lows 45 to 50. Highs 75 to 85.
.THURSDAY...Partly cloudy. Lows 45 to 50. Highs 70 to 80.
$$
.OUTLOOK FOR SEP 25 - OCT 01, 2026
For Oregon...Increased probabilities for near normal temperatures
and above normal precipitation.
For Nrn Calif...Increased probabilities for above normal temperatures
and above normal precipitation.
=
$$