Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Medford, OR
Issued by NWS Medford, OR
495
FNUS56 KMFR 181122
FWFMFR
Fire Weather Forecast for southern Oregon and northern California
National Weather Service Medford, OR
422 AM PDT Tue Aug 18 2026
.DISCUSSION...Mostly dry conditions are expected through mid week
with typical summer afternoon breezes/humidity, temperatures near
to slightly above normal, and nightly coastal marine stratus.
Expect mostly moderate recoveries this week over the ridges, with
poor recoveries across the Warners. An offshore trough will
impact the region Thu-Sat, bringing gusty south to southwest winds
and some lightning potential Thursday night through Friday.
ORZ615-618-182315-
South Central Oregon Coast-Southern Oregon Coast-
422 AM PDT Tue Aug 18 2026
.Today...
* Sky/weather...........Mostly cloudy until 0900, then partly
cloudy. Patchy fog until 0900.
* Max temperature.......65-75.
* Min humidity..........65-85 percent valleys and 55-70 percent
ridges.
* 20-foot winds.........
* Coast.....North winds 5 to 8 mph. Gusts up to 20 mph
late in the afternoon.
* Inland....North winds 5 to 8 mph. Gusts up to 20 mph
late in the afternoon.
* Mixing Height.....................500-2000 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 68 58
North Bend 66 66
.TONIGHT...
* Sky/weather...........Partly cloudy until 0300, then mostly
cloudy.
* Min temperature.......Around 55.
* Max humidity..........85-100 percent.
* 20-foot winds.........
* Coast.....North winds 5 to 6 mph.
* Inland....North winds 5 to 6 mph. Gusts up to 20 mph
early in the evening.
* Mixing Height.....................500-1700 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 54 94
North Bend 54 96
.WEDNESDAY...
* Sky/weather...........Mostly cloudy until noon, then partly
cloudy. Patchy fog until 0900.
* Max temperature.......60-70 valleys and 70-75 ridges.
* Min humidity..........70-85 percent valleys and 60-70 percent
ridges.
* 20-foot winds.........
* Coast.....Light winds becoming north 5 to 8 mph with
gusts to around 20 mph in the afternoon.
* Inland....North winds 5 to 8 mph. Gusts up to 20 mph
late in the afternoon.
* Mixing Height.....................500-2200 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 68
North Bend 68 67
.EXTENDED...
.WEDNESDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the mid
50s. North winds 5 to 8 mph.
.THURSDAY...Mostly cloudy in the morning then becoming partly
cloudy. Areas of fog in the morning. Highs 60 to 70. Light winds
becoming northwest 5 to 6 mph in the afternoon and evening.
.FRIDAY...Mostly cloudy. Lows in the mid 50s. Highs 65 to 70.
West winds 5 to 6 mph.
.SATURDAY...Mostly cloudy. Lows in the mid 50s. Highs 65 to 70.
Northwest winds 5 to 6 mph.
.SUNDAY...Partly cloudy. Lows in the mid 50s. Highs 70 to 75.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs 65 to 75.
$$
ORZ616-182315-
Umpqua Basin-
422 AM PDT Tue Aug 18 2026
.Today...
* Sky/weather...........Partly cloudy in the morning then clearing.
Areas of fog until 0900.
* Max temperature.......75-85 valleys and 70-75 ridges.
* Min humidity..........30-45 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming northwest 5 to 6 mph in
the afternoon.
* Ridges/upr slopes....Light winds becoming north 5 to 6 mph in the
afternoon.
* Mixing Height.....................400-1400 ft AGL until noon,
then 2500-4100 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 80 31
Roseburg 85 28
Silver Butte 77 33
.TONIGHT...
* Sky/weather...........Partly cloudy.
* Min temperature.......Around 55.
* Max humidity..........85-95 percent valleys and 65-75 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.....................2200-4000 ft AGL until 2100,
then 400-900 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 54 86
Roseburg 57 79
Silver Butte 55 76
.WEDNESDAY...
* Sky/weather...........Mostly cloudy in the morning then clearing.
Areas of fog until 0900.
* Max temperature.......75-85 valleys and 70-75 ridges.
* Min humidity..........30-45 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.....................400-2900 ft AGL until 1500,
then 2700-3400 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
North Bank 80 31
Roseburg 86 28
Silver Butte 78 34
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds 5 to 6 mph.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
75 to 85. Light winds becoming northwest 5 to 6 mph in the
afternoon and evening.
.FRIDAY...Partly cloudy. Lows 50 to 55. Highs 70 to 80. Northwest
winds 5 to 6 mph.
.SATURDAY...Partly cloudy. Lows 50 to 55. Highs 70 to 75.
Northwest winds 5 to 6 mph.
.SUNDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs 75 to 85.
$$
ORZ617-182315-
Umpqua National Forest-
422 AM PDT Tue Aug 18 2026
.Today...
* Sky/weather...........Sunny.
* Max temperature.......75-85 valleys and 70-75 ridges.
* Min humidity..........25-35 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Northwest winds 5 to 6 mph.
* Ridges/upr slopes....Northwest winds 5 to 6 mph. Gusts up to 20
mph late in the afternoon.
* Mixing Height.....................500 ft AGL until 0900.
3100-6200 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
Toketee Falls 85 24
.TONIGHT...
* Sky/weather...........Partly cloudy.
* Min temperature.......50-60.
* Max humidity..........55-70 percent.
* 20-foot winds.........
* Valleys/lwr slopes...North winds 5 to 6 mph in the evening
becoming light.
* Ridges/upr slopes....North winds 5 to 8 mph with gusts to around
20 mph shifting to the east up to 5 mph after midnight.
* Mixing Height.....................3300-4600 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
Toketee Falls 52 68
.WEDNESDAY...
* Sky/weather...........Mostly cloudy in the morning then clearing.
* Max temperature.......75-85.
* Min humidity..........25-40 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming northwest around 6 mph
in the afternoon.
* Ridges/upr slopes....Light winds becoming northwest 5 to 8 mph in
the afternoon.
* Mixing Height.....................500 ft AGL until 0900.
2100-5900 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
Toketee Falls 87 25
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Lows 55 to 60. North winds 5 to
6 mph.
.THURSDAY...Mostly clear. Highs 75 to 85. Light winds becoming
northwest 5 to 6 mph in the afternoon and evening.
.FRIDAY...Partly cloudy. Lows 45 to 55. Highs 70 to 80. West
winds 5 to 6 mph.
.SATURDAY...Mostly clear. Lows 45 to 55. Highs 65 to 75.
Northwest winds 5 to 6 mph.
.SUNDAY...Mostly clear. Lows 45 to 55. Highs 70 to 80.
.MONDAY...Mostly clear. Lows 50 to 55. Highs 70 to 80.
$$
ORZ619-182315-
Western Siskiyou National Forest-
422 AM PDT Tue Aug 18 2026
.Today...
* Sky/weather...........Partly cloudy early in the morning then
clearing.
* Max temperature.......70-80.
* Min humidity..........35-50 percent.
* 20-foot winds.........
* Valleys/lwr slopes...North winds up to 5 mph shifting to the
northwest 5 to 8 mph in the afternoon.
* Ridges/upr slopes....Northeast winds 5 to 8 mph shifting to the
north in the afternoon.
* Mixing Height.....................500-1900 ft AGL until noon,
then 1900-4900 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 82 34
Agness 89 29
.TONIGHT...
* Sky/weather...........Partly cloudy until 0300, then mostly
cloudy.
* Min temperature.......55-60.
* Max humidity..........65-85 percent valleys and 55-75 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Northeast winds 5 to 8 mph.
* Ridges/upr slopes....Northeast winds 5 to 8 mph.
* Mixing Height.....................1400-3300 ft AGL until 2100,
then 600 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 61 59
Agness 57 79
.WEDNESDAY...
* Sky/weather...........Mostly cloudy until 0900, then partly
cloudy until noon, then sunny.
* Max temperature.......70-80.
* Min humidity..........35-50 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Northeast winds up to 5 mph shifting to the
northwest 5 to 6 mph in the afternoon.
* Ridges/upr slopes....Northeast winds 5 to 8 mph shifting to the
north 5 to 6 mph in the afternoon.
* Mixing Height.....................500-1700 ft AGL until noon,
then 2000-4100 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 82 39
Agness 90 31
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Lows 55 to 60. North winds 5 to
6 mph.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
65 to 75. Light winds becoming west 5 to 6 mph in the afternoon
and evening.
.FRIDAY...Partly cloudy. Lows 50 to 55. Highs 65 to 75. West
winds 5 to 6 mph.
.SATURDAY...Mostly clear. Lows 50 to 55. Highs 65 to 75. North
winds 5 to 6 mph.
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs 70 to 80.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs 70 to 80.
$$
ORZ620-622-182315-
Western Rogue Basin including the Illinois Valley-
Eastern Rogue Valley-
422 AM PDT Tue Aug 18 2026
.Today...
* Sky/weather...........Sunny.
* Max temperature.......85-90 valleys and around 75 ridges.
* Min humidity..........20-30 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming northwest 5 to 8 mph in
the afternoon.
* Ridges/upr slopes....Northeast winds 5 to 6 mph shifting to the
northwest 5 to 8 mph in the afternoon.
* Mixing Height.....................500-2000 ft AGL until noon.
5100-7500 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
Onion Mtn 76 28
Illinois Vly 91 24
Medford 93 17
.TONIGHT...
* Sky/weather...........Partly cloudy.
* Min temperature.......55-60.
* Max humidity..........65-75 percent valleys and 55-65 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Northwest winds 5 to 8 mph with gusts to
around 20 mph in the evening becoming light.
* Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height.....................3800-6600 ft AGL until 2100,
then 400-1100 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 59 58
Illinois Vly 54 74
Medford 60 62
.WEDNESDAY...
* Sky/weather...........Mostly cloudy until 0900, then partly
cloudy until noon, then sunny.
* Max temperature.......85-95 valleys and 75-80 ridges.
* Min humidity..........20-30 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming northwest 5 to 6 mph in
the afternoon.
* Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height.....................400-1700 ft AGL until noon.
4200-6400 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
Onion Mtn 77 30
Illinois Vly 91 28
Medford 94 18
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Lows 55 to 60. North winds 5 to
8 mph.
.THURSDAY...Mostly clear. Highs 80 to 90. Light winds becoming
northwest 5 to 8 mph in the afternoon and evening.
.FRIDAY...Partly cloudy. Lows 50 to 60. Highs 80 to 90. West
winds 5 to 6 mph.
.SATURDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85.
Northwest winds 5 to 8 mph.
.SUNDAY...Mostly clear. Lows 50 to 55. Highs 80 to 90.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs 80 to 90.
$$
ORZ621-623-182315-
Siskiyou Mountains-Southern Oregon Cascades-
422 AM PDT Tue Aug 18 2026
.Today...
* Sky/weather...........Sunny.
* Max temperature.......80-85 valleys and 70-75 ridges.
* Min humidity..........20-30 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming northwest 5 to 8 mph in
the afternoon.
* Ridges/upr slopes....West winds 5 to 6 mph. Gusts up to 20 mph
late in the afternoon.
* Mixing Height.....................500 ft AGL until 0900.
5700-8400 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
Acorn Woman Pk 72 28
Mt Stella 78 23
.TONIGHT...
* Sky/weather...........Partly cloudy.
* Min temperature.......50-60.
* Max humidity..........45-60 percent.
* 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 with gusts to
around 20 mph shifting to the northeast 5 to 6 mph after
midnight.
* Mixing Height.....................5200-7000 ft AGL until 2100,
then 400-900 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 58 49
Mt Stella 60 48
.WEDNESDAY...
* Sky/weather...........Mostly cloudy until 0900, then partly
cloudy until noon, then sunny.
* Max temperature.......80-90 valleys and 75-80 ridges.
* Min humidity..........20-30 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming northwest 5 to 6 mph in
the afternoon.
* Ridges/upr slopes....East winds up to 5 mph shifting to the west
5 to 8 mph in the afternoon.
* Mixing Height.....................500 ft AGL until 0900.
5100-8500 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
Acorn Woman Pk 74 31
Mt Stella 80 24
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Lows 55 to 60. North winds 5 to
8 mph.
.THURSDAY...Sunny in the morning then becoming partly cloudy.
Highs 75 to 85. East winds 5 to 6 mph shifting to the west 5 to
8 mph in the afternoon and evening.
.FRIDAY...Partly cloudy. Lows 45 to 55. Highs 75 to 85. West
winds 5 to 6 mph.
.SATURDAY...Clear. Lows 45 to 55. Highs 70 to 80. Northwest winds
5 to 8 mph.
.SUNDAY...Mostly clear. Lows 45 to 55. Highs 75 to 85.
.MONDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85.
$$
ORZ624-182315-
Klamath Basin and the Fremont-Winema National Forest-
422 AM PDT Tue Aug 18 2026
.Today...
* Sky/weather...........Partly cloudy early in the morning then
clearing. Patchy smoke until noon.
* Max temperature.......Around 85 valleys and around 75 ridges.
* Min humidity..........15-20 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming west 5 to 6 mph in the
afternoon.
* Ridges/upr slopes....North winds up to 5 mph shifting to the west
5 to 8 mph in the afternoon.
* Mixing Height.....................500 ft AGL until 0900.
7500-10800 ft AGL after noon.
* 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 85 18
Chiloquin 88 20
Gerber 88 15
.TONIGHT...
* Sky/weather...........Partly cloudy.
* Min temperature.......45-55.
* Max humidity..........50-70 percent valleys and 40-50 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...North winds 5 to 6 mph. Gusts up to 20 mph
early in the evening.
* Ridges/upr slopes....Northwest winds 5 to 6 mph shifting to the
northeast after midnight.
* Mixing Height.....................8400-10700 ft AGL until 2100,
then 500-900 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 49 53
Chiloquin 52 65
Gerber 51 52
.WEDNESDAY...
* Sky/weather...........Mostly cloudy until noon, then partly
cloudy until 1500, then sunny.
* Max temperature.......85-90 valleys and 75-80 ridges.
* Min humidity..........15-20 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming southwest 5 to 8 mph in
the afternoon.
* Ridges/upr slopes....East winds up to 5 mph shifting to the
southwest 5 to 8 mph with gusts to around 20 mph in the
afternoon.
* Mixing Height.....................500 ft AGL until 0900.
8600-10700 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
Hoyt 87 17
Chiloquin 90 20
Gerber 89 15
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Lows 45 to 55. Northwest winds
5 to 6 mph.
.THURSDAY...Sunny in the morning then becoming partly cloudy.
Highs 80 to 90. Southeast winds up to 5 mph shifting to the
southwest 5 to 8 mph in the afternoon and evening.
.FRIDAY...Mostly cloudy. Lows 40 to 50. Highs 80 to 85. Southwest
winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 40 to 50. Highs 75 to 80. West
winds 5 to 8 mph.
.SUNDAY...Mostly clear. Lows 40 to 50. Highs 75 to 85.
.MONDAY...Mostly clear. Lows 40 to 50. Highs 75 to 85.
$$
ORZ625-182315-
South Central Oregon Desert including the BLM Land in Eastern
Lake and Western Harney Counties-
422 AM PDT Tue Aug 18 2026
.Today...
* Sky/weather...........Partly cloudy early in the morning then
clearing. Patchy smoke until 1500.
* Max temperature.......85-90 valleys and 75-85 ridges.
* Min humidity..........10-15 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Northwest winds 5 to 6 mph.
* Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height.....................500 ft AGL until 0900.
9900-11200 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
Fish Fin Rim 90 11
Fort Rock 89 14
Rock Creek 85 14
.TONIGHT...
* Sky/weather...........Partly cloudy. Patchy smoke after midnight.
* Min temperature.......50-55.
* Max humidity..........40-60 percent valleys and 30-45 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Northwest winds 5 to 8 mph. Gusts up to 20
mph in the evening.
* Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height.....................9700-11300 ft AGL until 2100,
then 500-800 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 56 32
Fort Rock 44 67
Rock Creek 54 40
.WEDNESDAY...
* Sky/weather...........Mostly cloudy until noon, then partly
cloudy. Patchy smoke until noon.
* Max temperature.......90-95 valleys and 80-85 ridges.
* Min humidity..........10-15 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming south 5 to 6 mph in the
afternoon.
* Ridges/upr slopes....Northeast winds 5 to 6 mph shifting to the
southwest 5 to 10 mph with gusts to around 25 mph in the
afternoon.
* Mixing Height.....................500-2200 ft AGL until noon.
9600-11100 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
Fish Fin Rim 95 9
Fort Rock 91 14
Rock Creek 89 11
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Lows 50 to 55. West winds 5 to
8 mph.
.THURSDAY...Partly cloudy. Highs 85 to 95. Southwest winds 5 to
10 mph.
.FRIDAY...Mostly cloudy. Lows 45 to 55. Highs 85 to 90. Southwest
winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 40 to 50. Highs 80 to 85. West
winds 5 to 10 mph.
.SUNDAY...Mostly clear. Lows 40 to 50. Highs 80 to 85.
.MONDAY...Mostly clear. Lows 45 to 55. Highs 80 to 90.
$$
CAZ280-182315-
Western Klamath National Forest-
422 AM PDT Tue Aug 18 2026
.Today...
* Sky/weather...........Sunny.
* Max temperature.......85-95 valleys and 70-75 ridges.
* Min humidity..........20 percent valleys and 25-30 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming northwest 5 to 8 mph in
the afternoon.
* Ridges/upr slopes....Northeast winds up to 5 mph shifting to the
northwest 5 to 8 mph in the afternoon.
* Mixing Height.....................500 ft AGL until 0900.
8500-10500 ft AGL after 1500.
* Chance of lightning...............2 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Happy Camp 93 18
Fort Jones 90 18
.TONIGHT...
* Sky/weather...........Partly cloudy.
* Min temperature.......55-65.
* Max humidity..........45-60 percent valleys and 40-45 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...North winds 5 to 8 mph shifting to the
northeast 5 to 6 mph after midnight.
* Ridges/upr slopes....North winds 5 to 8 mph shifting to the east
5 to 6 mph after midnight.
* Mixing Height.....................6300-10300 ft AGL until 2100,
then 400-900 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
Happy Camp 58 70
Fort Jones 56 52
.WEDNESDAY...
* Sky/weather...........Mostly cloudy early in the morning then
clearing.
* Max temperature.......90-95 valleys and 70-80 ridges.
* Min humidity..........20-25 percent.
* 20-foot winds.........
* Valleys/lwr slopes...East winds up to 5 mph shifting to the
northwest 5 to 6 mph in the afternoon.
* Ridges/upr slopes....East winds 5 to 6 mph shifting to the west 5
to 8 mph in the afternoon.
* Mixing Height.....................500 ft AGL until 0900.
7900-10300 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
Happy Camp 95 20
Fort Jones 93 18
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Lows 60 to 65. Northwest winds
5 to 8 mph.
.THURSDAY...Sunny in the morning then becoming partly cloudy.
Highs 80 to 90. Southeast winds 5 to 6 mph shifting to the
southwest 5 to 8 mph in the afternoon and evening.
.FRIDAY...Mostly clear. Lows 50 to 60. Highs 75 to 85. West winds
5 to 10 mph.
.SATURDAY...Clear. Lows 50 to 55. Highs 75 to 85. Northwest winds
5 to 8 mph.
.SUNDAY...Clear. Lows 50 to 60. Highs 80 to 90.
.MONDAY...Mostly clear. Lows 55 to 60. Highs 80 to 90.
$$
CAZ281-182315-
Central Siskiyou County Including Shasta Valley-
422 AM PDT Tue Aug 18 2026
.Today...
* Sky/weather...........Sunny.
* Max temperature.......90-95 valleys and 75-80 ridges.
* Min humidity..........15 percent valleys and 20-25 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming north 5 to 8 mph in the
afternoon.
* Ridges/upr slopes....East winds up to 5 mph shifting to the north
5 to 6 mph in the afternoon.
* Mixing Height.....................500 ft AGL until 0900.
9200-10300 ft AGL after 1500.
* Chance of lightning...............1 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Yreka 90 16
.TONIGHT...
* Sky/weather...........Partly cloudy until 0300, then mostly
cloudy.
* Min temperature.......55-60.
* Max humidity..........40-50 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Northwest winds 5 to 8 mph with gusts to
around 20 mph in the evening becoming light.
* Ridges/upr slopes....North winds 5 to 8 mph in the evening
becoming light.
* Mixing Height.....................8300-10100 ft AGL until 2100,
then 400-900 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
Yreka 60 42
.WEDNESDAY...
* Sky/weather...........Mostly cloudy early in the morning then
clearing.
* Max temperature.......Around 95 valleys and 75-85 ridges.
* Min humidity..........15-20 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming northwest around 5 mph
in the afternoon.
* Ridges/upr slopes....Light winds becoming north 5 to 6 mph in the
afternoon.
* Mixing Height.....................500-2300 ft AGL until noon.
9100-10200 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 94 16
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Lows 60 to 65. North winds 5 to
8 mph.
.THURSDAY...Sunny in the morning then becoming partly cloudy.
Highs 85 to 95. East winds up to 5 mph shifting to the southwest
in the afternoon and evening.
.FRIDAY...Partly cloudy. Lows 55 to 65. Highs 80 to 90. Southwest
winds 5 to 10 mph.
.SATURDAY...Clear. Lows 50 to 55. Highs 80 to 90. Northwest winds
5 to 8 mph.
.SUNDAY...Clear. Lows 50 to 60. Highs 80 to 90.
.MONDAY...Mostly clear. Lows 55 to 60. Highs 80 to 90.
$$
CAZ282-182315-
Shasta-Trinity National Forest in Siskiyou County-
422 AM PDT Tue Aug 18 2026
.Today...
* Sky/weather...........Sunny.
* Max temperature.......Around 90 valleys and around 75 ridges.
* Min humidity..........15-25 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming southwest up to 5 mph
in the afternoon.
* Ridges/upr slopes....Light winds becoming southeast 5 to 6 mph in
the afternoon.
* Mixing Height.....................500 ft AGL until 0900.
7000-9500 ft AGL after noon.
* Chance of lightning...............2 percent.
* Chance of wetting rain (.10 in)...0 percent.
* Chance of wetting rain (.25 in)...0 percent.
&&
TEMP / HUM / POP
Mount Shasta 91 19
.TONIGHT...
* Sky/weather...........Partly cloudy.
* Min temperature.......45-55 valleys and 55-60 ridges.
* Max humidity..........50-70 percent valleys and 35-45 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds.
* Ridges/upr slopes....North winds up to 5 mph.
* Mixing Height.....................8500-9300 ft AGL until 2100,
then 600 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
Mount Shasta 53 53
.WEDNESDAY...
* Sky/weather...........Partly cloudy early in the morning then
clearing.
* Max temperature.......85-90 valleys and around 75 ridges.
* Min humidity..........20 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming south 5 to 6 mph in the
afternoon.
* Ridges/upr slopes....Light winds becoming south 5 to 8 mph in the
afternoon.
* Mixing Height.....................500 ft AGL until 0900.
6100-7900 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 91 19
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Lows 45 to 55. Southwest winds
5 to 6 mph.
.THURSDAY...Sunny in the morning then becoming partly cloudy.
Highs 80 to 90. Light winds becoming south 5 to 8 mph in the
afternoon and evening.
.FRIDAY...Partly cloudy. Lows 40 to 50. Highs 75 to 85. South
winds 5 to 6 mph.
.SATURDAY...Clear. Lows 40 to 50. Highs 75 to 85. Southwest winds
5 to 6 mph.
.SUNDAY...Clear. Lows 40 to 50. Highs 75 to 85.
.MONDAY...Mostly clear. Lows 40 to 50. Highs 75 to 85.
$$
CAZ284-285-182315-
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
422 AM PDT Tue Aug 18 2026
.Today...
* Sky/weather...........Partly cloudy early in the morning then
clearing.
* Max temperature.......85-90 valleys and 75-80 ridges.
* Min humidity..........10-15 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming west 5 to 6 mph with
gusts to around 20 mph in the afternoon.
* Ridges/upr slopes....Light winds becoming west 5 to 8 mph with
gusts to around 20 mph in the afternoon.
* Mixing Height.....................500 ft AGL until 0900.
8700-10000 ft AGL after 1500.
* 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 88 15
Tulelake 86 21
Alturas 90 11
.TONIGHT...
* Sky/weather...........Partly cloudy.
* Min temperature.......50-55.
* Max humidity..........45-55 percent valleys and 35-50 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes...Northwest winds 5 to 6 mph.
* Ridges/upr slopes....Northwest winds 5 to 6 mph shifting to the
north after midnight.
* Mixing Height.....................8700-10200 ft AGL until 2100,
then 500-800 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 59 42
Tulelake 51 60
Alturas 46 47
.WEDNESDAY...
* Sky/weather...........Mostly cloudy until 0900, then partly
cloudy until 1500, then sunny.
* Max temperature.......85-90 valleys and 75-85 ridges.
* Min humidity..........10-15 percent.
* 20-foot winds.........
* Valleys/lwr slopes...Light winds becoming southwest 5 to 8 mph
with gusts to around 25 mph in the afternoon.
* Ridges/upr slopes....Light winds becoming southwest 5 to 8 mph
with gusts to around 25 mph in the afternoon.
* Mixing Height.....................500 ft AGL until 0900.
8000-10200 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
Juanita lake 90 14
Tulelake 89 20
Alturas 93 11
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Lows 50 to 60. Southwest winds
5 to 8 mph.
.THURSDAY...Sunny in the morning then becoming partly cloudy.
Highs 80 to 90. Southeast winds up to 5 mph shifting to the
southwest in the afternoon and evening.
.FRIDAY...Partly cloudy. Lows 45 to 55. Highs 75 to 85. Southwest
winds 5 to 15 mph.
.SATURDAY...Clear. Lows 45 to 55. Highs 75 to 85. West winds 5 to
10 mph.
.SUNDAY...Clear. Lows 45 to 55. Highs 75 to 85.
.MONDAY...Mostly clear. Lows 45 to 55. Highs 75 to 85.
$$
.OUTLOOK FOR AUG 25 - 31 2026
For Oregon...Increased probabilities for above normal temperatures
and near normal precipitation.
For Nrn Calif...Increased probabilities for above normal temperatures
and near normal precipitation.
=
$$