Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Boise, ID

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FNUS55 KBOI 251348
FWFBOI

Fire Weather Planning Forecast for SW Idaho and SE Oregon
National Weather Service Boise ID
748 AM MDT Fri May 25 2018

...Strong thunderstorms possible across most locations today...

.DISCUSSION...
An upper low over Northern California this morning drifts across
Northern Nevada through the weekend. This brings the showers and
thunderstorms for most locations. Strong dynamics associated with
the low are such that strong thunderstorms with heavy rains, small
hail and wind gusts over 50 mph are possible generally west of
Twin Falls today. Conditions begin to diminish after sunset.
Showers and thunderstorms continue through the weekend.


IDZ401-402-252300-
Western Payette National Forest-Eastern Payette National Forest-
748 AM MDT Fri May 25 2018

.TODAY...
Sky/weather.........Partly cloudy with isolated showers and
                    thunderstorms in the morning, then widespread
                    rain showers and scattered thunderstorms in the
                    afternoon. Chance of precipitation 80 percent.
Max temperature.....63 to 78.
   24 hr trend......On average, 4 degrees warmer.
Min humidity........36 to 51 percent.
   24 hr trend......On average, 8 percent drier.
20-foot winds.......
    Valleys/lwr slopes...Light upslope winds less than 8 mph.
    Ridges/upr slopes....Light winds less than 8 mph.
Haines Index........3 very low.
LAL.................2 in the morning, increasing to 4 in the
                    afternoon.
CWR /0.10 inch/.....40 percent.
Smoke Dispersal:
 Mixing Height......6000-8000 ft AGL.
 Transport Winds....South 10 to 20 mph.

.TONIGHT...
Sky/weather.........Mostly cloudy with rain showers likely. A
                    chance of thunderstorms in the evening. Chance
                    of precipitation 70 percent.
Min temperature.....42 to 52.
   24 hr trend......On average, 8 degrees warmer.
Max humidity........87 to 97 percent.
   24 hr trend......On average, 17 percent drier.
20-foot winds.......
    Valleys/lwr slopes...Light downslope winds less than 8 mph.
    Ridges/upr slopes....Northeast around 8 mph in the evening,
                         becoming light after midnight.
Haines Index........3 very low.
LAL.................4 in the evening, decreasing to 1 after
                    midnight.
CWR /0.10 inch/.....40 percent.
Smoke Dispersal:
 Mixing Height......800-1300 ft AGL.
 Transport Winds....Northeast up to 10 mph.

.SATURDAY...
Sky/weather.........Mostly cloudy. A chance of rain showers in the
                    morning, then rain showers likely and a chance
                    of thunderstorms in the afternoon. Chance of
                    precipitation 70 percent.
Max temperature.....50 to 63.
   24 hr trend......On average, 14 degrees cooler.
Min humidity........59 to 78 percent.
   24 hr trend......On average, 26 percent wetter.
20-foot winds.......
    Valleys/lwr slopes...Light upslope winds less than 8 mph.
    Ridges/upr slopes....Light winds less than 8 mph.
Haines Index........3 very low.
LAL.................1 in the morning, increasing to 4 in the
                    afternoon.
CWR /0.10 inch/.....50 percent.
Smoke Dispersal:
 Mixing Height......3000-4000 ft AGL.
 Transport Winds....North 5 to 15 mph.

$$
=

IDZ403-252300-
Northern Boise National Forest-
748 AM MDT Fri May 25 2018

.TODAY...
Sky/weather.........Partly cloudy with isolated showers and
                    thunderstorms in the morning, then mostly
                    cloudy with numerous rain showers and scattered
                    thunderstorms in the afternoon. Chance of
                    precipitation 70 percent.
Max temperature.....64 to 77.
   24 hr trend......On average, 4 degrees warmer.
Min humidity........27 to 37 percent.
   24 hr trend......On average, 12 percent drier.
20-foot winds.......
    Valleys/lwr slopes...Light upslope winds less than 8 mph in the
                         morning, becoming south 8 to 9 mph in the
                         afternoon.
    Ridges/upr slopes....Light winds less than 8 mph in the
                         morning, becoming south 8 to 9 mph in the
                         afternoon.
Haines Index........3 very low.
LAL.................2 in the morning, increasing to 4 in the
                    afternoon.
CWR /0.10 inch/.....40 percent.
Smoke Dispersal:
 Mixing Height......9500-11500 ft AGL.
 Transport Winds....South 20 to 25 mph.

.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and a chance
                    of thunderstorms in the evening, then a chance
                    of rain showers after midnight. Chance of
                    precipitation 60 percent.
Min temperature.....42 to 49.
   24 hr trend......On average, 5 degrees warmer.
Max humidity........85 to 93 percent.
   24 hr trend......On average, 17 percent drier.
20-foot winds.......
    Valleys/lwr slopes...Light downslope winds less than 8 mph.
    Ridges/upr slopes....Light winds less than 8 mph.
Haines Index........4 low.
LAL.................4 in the evening, decreasing to 1 after
                    midnight.
CWR /0.10 inch/.....30 percent.
Smoke Dispersal:
 Mixing Height......700-1200 ft AGL.
 Transport Winds....Southwest up to 10 mph.

.SATURDAY...
Sky/weather.........A chance of rain showers in the morning, then
                    rain showers and a chance of thunderstorms in
                    the afternoon. Chance of precipitation 80
                    percent.
Max temperature.....52 to 63.
   24 hr trend......On average, 13 degrees cooler.
Min humidity........52 to 67 percent.
   24 hr trend......On average, 28 percent wetter.
20-foot winds.......
    Valleys/lwr slopes...Light upslope winds less than 8 mph.
    Ridges/upr slopes....Light winds less than 8 mph.
Haines Index........3 very low.
LAL.................1 in the morning, increasing to 4 in the
                    afternoon.
CWR /0.10 inch/.....60 percent.
Smoke Dispersal:
 Mixing Height......4000-6000 ft AGL.
 Transport Winds....North 5 to 10 mph.

$$
=

IDZ421-252300-
Southern Boise National Forest/Western Sawtooth National Forest-
748 AM MDT Fri May 25 2018

.TODAY...
Sky/weather.........Partly cloudy. Scattered showers and
                    thunderstorms in the afternoon. Chance of
                    precipitation 30 percent.
Max temperature.....73 to 81, except 66 to 72 above 6500 feet.
   24 hr trend......On average, 4 degrees warmer.
Min humidity........20 to 30 percent.
   24 hr trend......On average, 12 percent drier.
20-foot winds.......
    Valleys/lwr slopes...Southeast 10 to 16 mph.
    Ridges/upr slopes....Southeast 10 to 16 mph.
Haines Index........4 low.
LAL.................1 in the morning, increasing to 4 in the
                    afternoon.
CWR /0.10 inch/.....20 percent.
Smoke Dispersal:
 Mixing Height......10000-11500 ft AGL.
 Transport Winds....Southeast 20 to 25 mph.

.TONIGHT...
Sky/weather.........Partly cloudy in the evening, then becoming
                    mostly cloudy after midnight. A chance of rain
                    showers. A chance of thunderstorms in the
                    evening. Chance of precipitation 30 percent.
Min temperature.....45 to 51, except 40 to 46 above 6500 feet.
   24 hr trend......On average, 4 degrees warmer.
Max humidity........77 to 88 percent.
   24 hr trend......On average, 13 percent drier.
20-foot winds.......
    Valleys/lwr slopes...South 8 to 12 mph in the evening, becoming
                         light downslope less than 8 mph after
                         midnight.
    Ridges/upr slopes....South 8 to 11 mph in the evening, shifting
                         to north 8 to 10 mph after midnight.
Haines Index........4 low.
LAL.................4 in the evening, decreasing to 1 after
                    midnight.
CWR /0.10 inch/.....20 percent.
Smoke Dispersal:
 Mixing Height......500-1000 ft AGL.
 Transport Winds....Northwest up to 15 mph.

.SATURDAY...
Sky/weather.........Partly sunny. A chance of rain showers in the
                    morning, then rain showers likely and a chance
                    of thunderstorms in the afternoon. Chance of
                    precipitation 70 percent.
Max temperature.....58 to 67, except 54 to 61 above 6500 feet.
   24 hr trend......On average, 13 degrees cooler.
Min humidity........42 to 61 percent.
   24 hr trend......On average, 26 percent wetter.
20-foot winds.......
    Valleys/lwr slopes...Light upslope winds less than 8 mph in the
                         morning, becoming west around 8 mph in the
                         afternoon.
    Ridges/upr slopes....Light winds less than 8 mph in the
                         morning, becoming northwest 8 to 10 mph in
                         the afternoon.
Haines Index........3 very low.
LAL.................1 in the morning, increasing to 4 in the
                    afternoon.
CWR /0.10 inch/.....40 percent.
Smoke Dispersal:
 Mixing Height......4000-6000 ft AGL.
 Transport Winds....Northwest up to 15 mph.

$$
=

IDZ400-252300-
Northern Boise BLM-
748 AM MDT Fri May 25 2018

.TODAY...
Sky/weather.........Partly cloudy. Scattered showers and
                    thunderstorms, mainly in the afternoon. Chance
                    of precipitation 40 percent.
Max temperature.....77 to 85.
   24 hr trend......On average, 2 degrees warmer.
Min humidity........32 to 39 percent.
   24 hr trend......On average, 4 percent drier.
20-foot winds.......
    Valleys/lwr slopes...Light upslope winds less than 8 mph.
    Ridges/upr slopes....Light winds less than 8 mph.
Haines Index........3 very low.
LAL.................2 in the morning, increasing to 4 in the
                    afternoon.
CWR /0.10 inch/.....20 percent.
Smoke Dispersal:
 Mixing Height......7500-9000 ft AGL.
 Transport Winds....South around 15 mph.

.TONIGHT...
Sky/weather.........Mostly cloudy. Showers likely and a chance of
                    thunderstorms in the evening, then a chance of
                    showers after midnight. Chance of precipitation
                    70 percent.
Min temperature.....52 to 57.
   24 hr trend......On average, 2 degrees warmer.
Max humidity........77 to 88 percent.
   24 hr trend......On average, 2 percent drier.
20-foot winds.......
    Valleys/lwr slopes...Northwest 8 to 11 mph.
    Ridges/upr slopes....West 8 to 11 mph.
Haines Index........3 very low.
LAL.................4 in the evening, decreasing to 1 after
                    midnight.
CWR /0.10 inch/.....40 percent.
Smoke Dispersal:
 Mixing Height......600-900 ft AGL.
 Transport Winds....East up to 10 mph.

.SATURDAY...
Sky/weather.........Mostly cloudy with a chance of showers. A
                    chance of thunderstorms in the afternoon.
                    Chance of precipitation 30 percent.
Max temperature.....63 to 72.
   24 hr trend......On average, 13 degrees cooler.
Min humidity........44 to 63 percent.
   24 hr trend......On average, 18 percent wetter.
20-foot winds.......
    Valleys/lwr slopes...Light upslope winds less than 8 mph.
    Ridges/upr slopes....Light winds less than 8 mph in the
                         morning, becoming northwest around 8 mph
                         in the afternoon.
Haines Index........3 very low.
LAL.................1 in the morning, increasing to 4 in the
                    afternoon.
CWR /0.10 inch/.....30 percent.
Smoke Dispersal:
 Mixing Height......4500-6500 ft AGL.
 Transport Winds....North 10 to 15 mph.

$$
=

IDZ420-424-252300-
Treasure Valley BLM-Western Twin Falls BLM-
748 AM MDT Fri May 25 2018

.TODAY...
Sky/weather.........Partly cloudy. Isolated showers and
                    thunderstorms in the afternoon. Chance of
                    precipitation 20 percent.
Max temperature.....81 to 89.
   24 hr trend......On average, 3 degrees warmer.
Min humidity........16 to 26 percent.
   24 hr trend......On average, 7 percent drier.
20-foot winds.......
    Valleys/lwr slopes...Southeast 8 to 14 mph.
    Ridges/upr slopes....Southeast 10 to 16 mph.
Haines Index........4 low.
LAL.................1 in the morning, increasing to 3 in the
                    afternoon.
CWR /0.10 inch/.....10 percent.
Smoke Dispersal:
 Mixing Height......7500-9500 ft AGL.
 Transport Winds....South 15 to 25 mph.

.TONIGHT...
Sky/weather.........Mostly cloudy. Showers likely and a chance of
                    thunderstorms in the evening, then a chance of
                    showers after midnight. Chance of precipitation
                    60 percent.
Min temperature.....51 to 57.
   24 hr trend......On average, 3 degrees warmer.
Max humidity........75 to 83 percent.
   24 hr trend......On average, 6 percent drier.
20-foot winds.......
    Valleys/lwr slopes...West 8 to 11 mph.
    Ridges/upr slopes....South 8 to 12 mph in the evening, shifting
                         to northwest 8 to 10 mph after midnight.
Haines Index........4 low.
LAL.................4 in the evening, decreasing to 1 after
                    midnight.
CWR /0.10 inch/.....30 percent.
Smoke Dispersal:
 Mixing Height......600-1100 ft AGL.
 Transport Winds....West up to 15 mph.

.SATURDAY...
Sky/weather.........Partly sunny with a chance of showers. A chance
                    of thunderstorms in the afternoon. Chance of
                    precipitation 30 percent.
Max temperature.....67 to 74.
   24 hr trend......On average, 14 degrees cooler.
Min humidity........38 to 46 percent.
   24 hr trend......On average, 20 percent wetter.
20-foot winds.......
    Valleys/lwr slopes...Light upslope winds less than 8 mph in the
                         morning, becoming northwest 8 to 12 mph in
                         the afternoon.
    Ridges/upr slopes....Light winds less than 8 mph in the
                         morning, becoming west 8 to 10 mph in the
                         afternoon.
Haines Index........3 very low.
LAL.................1 in the morning, increasing to 4 in the
                    afternoon.
CWR /0.10 inch/.....20 percent.
Smoke Dispersal:
 Mixing Height......4500-6500 ft AGL.
 Transport Winds....Northwest 10 to 20 mph.

$$
=

IDZ423-426-252300-
Owyhee Mountains-Southern Highlands-
748 AM MDT Fri May 25 2018

.TODAY...
Sky/weather.........Mostly sunny this morning, becoming Mostly
                    cloudy with scattered late afternoon showers and
                    thunderstorms. Chance of precipitation 30
                    percent.
Max temperature.....73 to 84.
   24 hr trend......On average, 2 degrees warmer.
Min humidity........17 to 27 percent.
   24 hr trend......On average, 8 percent drier.
20-foot winds.......
    Valleys/lwr slopes...Light upslope winds less than 8 mph in the
                         morning, becoming southeast 9 to 15 mph in
                         the afternoon.
    Ridges/upr slopes....Light winds less than 8 mph in the
                         morning, becoming southeast 9 to 15 mph in
                         the afternoon.
Haines Index........4 low.
LAL.................4.
CWR /0.10 inch/.....10 percent.
Smoke Dispersal:
 Mixing Height......7500-9500 ft AGL.
 Transport Winds....South 15 to 25 mph.

.TONIGHT...
Sky/weather.........Mostly cloudy with a chance of rain showers. A
                    chance of thunderstorms in the evening. Chance
                    of precipitation 30 percent.
Min temperature.....44 to 54.
   24 hr trend......On average, 3 degrees warmer.
Max humidity........76 to 90 percent.
   24 hr trend......On average, 10 percent drier.
20-foot winds.......
    Valleys/lwr slopes...West 8 to 13 mph.
    Ridges/upr slopes....Southwest 8 to 14 mph.
Haines Index........4 low.
LAL.................4 in the evening, decreasing to 1 after
                    midnight.
CWR /0.10 inch/.....20 percent.
Smoke Dispersal:
 Mixing Height......800-1300 ft AGL.
 Transport Winds....West 5 to 15 mph.

.SATURDAY...
Sky/weather.........Mostly cloudy. A chance of rain showers in the
                    morning, then rain showers likely and a chance
                    of thunderstorms in the afternoon. Chance of
                    precipitation 70 percent.
Max temperature.....59 to 70.
   24 hr trend......On average, 15 degrees cooler.
Min humidity........42 to 56 percent.
   24 hr trend......On average, 26 percent wetter.
20-foot winds.......
    Valleys/lwr slopes...West 8 to 11 mph.
    Ridges/upr slopes....Light winds less than 8 mph in the
                         morning, becoming northwest 8 to 9 mph in
                         the afternoon.
Haines Index........3 very low.
LAL.................1 in the morning, increasing to 4 in the
                    afternoon.
CWR /0.10 inch/.....50 percent.
Smoke Dispersal:
 Mixing Height......4500-6000 ft AGL.
 Transport Winds....Northwest 10 to 15 mph.

$$
=

ORZ646-252300-
Baker Valley-
648 AM PDT Fri May 25 2018

.TODAY...
Sky/weather.........Mostly cloudy with scattered thunderstorms.
                    Numerous showers, mainly in the afternoon.
                    Chance of precipitation 60 percent.
Max temperature.....72 to 82.
   24 hr trend......On average, 2 degrees warmer.
Min humidity........35 to 48 percent.
   24 hr trend......On average, 2 percent drier.
20-foot winds.......
    Valleys/lwr slopes...Light upslope winds less than 8 mph.
    Ridges/upr slopes....Light winds less than 8 mph.
Haines Index........3 very low.
LAL.................4.
CWR /0.10 inch/.....30 percent.

.TONIGHT...
Sky/weather.........Rain showers. A chance of thunderstorms in the
                    evening. Chance of precipitation near 100
                    percent.
Min temperature.....47 to 55.
   24 hr trend......On average, 3 degrees warmer.
Max humidity........76 to 90 percent.
   24 hr trend......On average, 4 percent drier.
20-foot winds.......
    Valleys/lwr slopes...Northwest 8 to 13 mph.
    Ridges/upr slopes....Northwest 8 to 12 mph.
Haines Index........3 very low.
LAL.................4 in the evening, decreasing to 1 after
                    midnight.
CWR /0.10 inch/.....70 percent.

.SATURDAY...
Sky/weather.........Mostly cloudy with a chance of rain showers. A
                    chance of thunderstorms in the afternoon.
                    Chance of precipitation 30 percent.
Max temperature.....59 to 69.
   24 hr trend......On average, 14 degrees cooler.
Min humidity........45 to 59 percent.
   24 hr trend......On average, 10 percent wetter.
20-foot winds.......
    Valleys/lwr slopes...Northwest 8 to 12 mph.
    Ridges/upr slopes....Northwest 8 to 11 mph.
Haines Index........3 very low.
LAL.................1 in the morning, increasing to 4 in the
                    afternoon.
CWR /0.10 inch/.....20 percent.

$$
=

ORZ636-637-252300-
Burns BLM-Vale BLM-
748 AM MDT Fri May 25 2018 /648 AM PDT Fri May 25 2018/

.TODAY...
Sky/weather.........Scattered thunderstorms. Widespread showers,
                    mainly in the afternoon. Chance of
                    precipitation 90 percent.
Max temperature.....67 to 80.
   24 hr trend......On average, 2 degrees cooler.
Min humidity........31 to 46 percent.
   24 hr trend......On average, 5 percent wetter.
20-foot winds.......
    Valleys/lwr slopes...Light upslope winds less than 8 mph in the
                         morning, becoming southeast 8 to 9 mph in
                         the afternoon.
    Ridges/upr slopes....Light winds less than 8 mph in the
                         morning, becoming south 8 to 12 mph in the
                         afternoon.
Haines Index........3 very low.
LAL.................4.
CWR /0.10 inch/.....70 percent.

.TONIGHT...
Sky/weather.........Rain showers and a chance of thunderstorms in
                    the evening, then rain showers likely after
                    midnight. Chance of precipitation 80 percent.
Min temperature.....44 to 53.
   24 hr trend......On average, 3 degrees cooler.
Max humidity........73 to 90 percent.
   24 hr trend......On average, 10 percent wetter.
20-foot winds.......
    Valleys/lwr slopes...West 8 to 13 mph.
    Ridges/upr slopes....West 8 to 13 mph.
Haines Index........3 very low.
LAL.................4 in the evening, decreasing to 1 after
                    midnight.
CWR /0.10 inch/.....70 percent.

.SATURDAY...
Sky/weather.........Mostly cloudy with a chance of rain showers. A
                    chance of thunderstorms in the afternoon.
                    Chance of precipitation 50 percent.
Max temperature.....56 to 68.
   24 hr trend......On average, 12 degrees cooler.
Min humidity........39 to 54 percent.
   24 hr trend......On average, 6 percent wetter.
20-foot winds.......
    Valleys/lwr slopes...Northwest around 10 mph.
    Ridges/upr slopes....Northwest 8 to 11 mph.
Haines Index........3 very low.
LAL.................1 in the morning, increasing to 4 in the
                    afternoon.
CWR /0.10 inch/.....20 percent.

$$
=


.FORECAST DAYS 3 THROUGH 7...

.SUNDAY...Mostly cloudy. A 40 percent chance of showers and
thunderstorms. Lows 40 to 51. Highs 58 to 73. Northwest winds
10 to 15 mph.
.MEMORIAL DAY...Mostly cloudy. A 40 percent chance of showers and
thunderstorms. Lows 43 to 54. Highs 62 to 77. Northwest winds
10 to 15 mph.
.TUESDAY...Mostly cloudy. A chance of showers and a slight chance
of thunderstorms. Chance of precipitation 30 percent. Lows 42 to
53. Highs 64 to 79. Northwest winds up to 10 mph.
.WEDNESDAY...Partly cloudy. A chance of showers and a slight
chance of thunderstorms. Chance of precipitation 30 percent. Lows
43 to 54. Highs 63 to 78.
.THURSDAY...Mostly cloudy. A chance of showers and a slight
chance of thunderstorms. Chance of precipitation 30 percent. Lows
39 to 51. Highs 61 to 76.


$$
=



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