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

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FNUS55 KCYS 210757
FWFCYS

Fire Weather Planning Forecast for Southeast Wyoming/Western Nebraska
National Weather Service Cheyenne WY
157 AM MDT Sat Apr 21 2018

...WINTER WEATHER ADVISORIES IN EFFECT THIS MORNING NORTH SNOWY RANGE
FOOTHILLS...SIERRA MADRE RANGE AND SOUTH LARAMIE RANGE...

...WINTER STORM WARNING IN EFFECT UNTIL 9 AM MDT THIS MORNING SNOWY
RANGE...

.DISCUSSION...Low pressure at the surface and aloft over Colorado early
this morning will slowly track east today with rain and snow gradually
tapering off from west to east this afternoon. No fire weather concerns
today with wetting precipitation and cool temperatures. Drier and milder
conditions will return Sunday. Lowest afternoon humidities Sunday will
range from 15 to 20 percent across western Carbon County, however fuels
and wind speeds will be non-critical. Another Pacific low pressure
system and cold front will bring good chances for showers and cooler
temperatures Monday and Monday night.

WYZ301-212215-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
157 AM MDT Sat Apr 21 2018

.TODAY...
Sky/weather.........Mostly cloudy until 1500, then partly cloudy.
                    Patchy fog until 0900. Slight chance of snow
                    until 0900. slight chance of rain until 1200.
                    chance of snow after 0900 until 1000.
Max temperature.....53-58.
   24 hr trend......7 degrees warmer.
Min humidity........38-44 percent.
   24 hr trend......2 percent drier.
20-foot winds.......South around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Southeast 5 to 10 mph.
Mixing height.......2200-3000 ft AGL increasing to 6200-6700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (18000-36100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....30-35.
   24 hr trend......1 degree cooler.
Max humidity........91-97 percent.
   24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing height.......2400-3600 ft AGL decreasing to 400-900 ft AGL
                    after midnight.
Smoke dispersal.....Poor (4600-26900 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....63-68.
   24 hr trend......9 degrees warmer.
Min humidity........26-32 percent.
   24 hr trend......12 percent drier.
20-foot winds.......Northwest around 5 mph shifting to the
                    northeast in the afternoon. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph shifting to the
                    southwest in the afternoon.
Mixing height.......1200-1800 ft AGL increasing to 7500-8100 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (10500-36600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Chance of showers. Lows in the upper 30s.
Highs around 60. Southeast winds around 10 mph.
.TUESDAY...Cooler. Mostly cloudy. Chance of rain and snow. Lows
around 30. Highs around 50. North winds around 15 mph.
.WEDNESDAY...Clear. Lows in the upper 20s. Highs in the upper 50s.
Southwest winds around 10 mph.
.THURSDAY...Mostly clear. Slight chance of rain and snow showers.
Lows in the mid 30s. Highs in the upper 50s.
.FRIDAY...Clear. Lows in the lower 30s. Highs in the lower 60s.

$$

WYZ302-212215-
North Laramie Range/Medicine Bow NF-
157 AM MDT Sat Apr 21 2018

.TODAY...
Sky/weather.........Mostly cloudy until 1500, then partly cloudy.
                    Patchy fog until 0900. Chance of snow and rain
                    until 1200, then slight chance of rain and
                    snow.
Max temperature.....46-52.
   24 hr trend......4 degrees warmer.
Min humidity........48-54 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Southeast around 5 mph shifting to the
                    southwest in the afternoon.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Northwest around 10 mph.
Mixing height.......2400-2900 ft AGL increasing to 4900-5600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to fair (16800-40400 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....30-35.
   24 hr trend......1 degree warmer.
Max humidity........74-80 percent.
   24 hr trend......22 percent drier.
Humidity recovery...Good.
20-foot winds.......West around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph.
Mixing height.......900-1800 ft AGL.
Smoke dispersal.....Poor (10400-11500 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....57-63.
   24 hr trend......13 degrees warmer.
Min humidity........30-36 percent.
   24 hr trend......13 percent drier.
20-foot winds.......Northwest around 5 mph shifting to the
                    southeast in the afternoon. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph shifting to the southwest
                    in the afternoon.
Mixing height.......2500-3300 ft AGL increasing to 7300-7900 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to fair (22000-54000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Showers likely. Lows in the mid 30s.
Highs in the mid 50s. South winds around 10 mph.
.TUESDAY...Cooler. Mostly cloudy. Chance of rain and snow. Lows
in the mid 20s. Highs in the mid 40s. North winds around 10 mph.
.WEDNESDAY...Clear. Lows in the upper 20s. Highs in the mid 50s.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of rain and snow
showers. Lows in the lower 30s. Highs in the lower 50s.
.FRIDAY...Clear. Lows in the lower 30s. Highs in the mid 50s.

$$

WYZ303-212215-
Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains-
157 AM MDT Sat Apr 21 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MDT THIS
MORNING...

.TODAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy.
                    Patchy fog until 0900. Slight chance of snow
                    until 1200. slight chance of rain after 1000
                    until 1200.
Max temperature.....52-58.
   24 hr trend......10 degrees warmer.
Min humidity........32-38 percent.
   24 hr trend......19 percent drier.
20-foot winds.......Northwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....North 10 to 15 mph.
Mixing height.......2300-2800 ft AGL increasing to 6400-7600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (23000 knot-ft) increasing to good (84600
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....30-35.
   24 hr trend......3 degrees warmer.
Max humidity........74-80 percent.
   24 hr trend......21 percent drier.
Humidity recovery...Good.
20-foot winds.......West 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 5 to 10 mph.
Mixing height.......1700-3200 ft AGL decreasing to 700-1200 ft AGL
                    after midnight.
Smoke dispersal.....Poor (5600-21800 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....61-67.
   24 hr trend......8 degrees warmer.
Min humidity........18-24 percent.
   24 hr trend......10 percent drier.
20-foot winds.......Southwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 5 mph shifting to the
                    southwest in the afternoon.
Mixing height.......2500-3600 ft AGL increasing to 8400-9400 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (13100 knot-ft) increasing to good (81400
                    knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Chance of showers. Lows in the mid 30s.
Highs in the upper 50s. Southwest winds around 10 mph.
.TUESDAY...Cooler. Mostly cloudy. Slight chance of rain and snow.
Lows in the mid 20s. Highs in the upper 40s. North winds around
10 mph.
.WEDNESDAY...Clear. Lows in the upper 20s. Highs in the mid 50s.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy. Lows in the lower 30s. Highs in the
mid 50s.
.FRIDAY...Clear. Lows in the lower 30s. Highs in the upper 50s.

$$

WYZ304-212215-
Southwest Carbon County-
157 AM MDT Sat Apr 21 2018

.TODAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy.
Max temperature.....56-61.
   24 hr trend......11 degrees warmer.
Min humidity........26-32 percent.
   24 hr trend......13 percent drier.
20-foot winds.......Northwest around 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing height.......2400 ft AGL increasing to 7400-7900 ft AGL in
                    the afternoon.
Smoke dispersal.....Poor (27000 knot-ft) increasing to good (91000
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....28-33.
   24 hr trend......Unchanged.
Max humidity........85-91 percent.
   24 hr trend......19 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 5 to 10 mph.
Mixing height.......2800-3400 ft AGL decreasing to 700 ft AGL after
                    midnight.
Smoke dispersal.....Poor (4300-26400 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Sunny.
Max temperature.....62-67.
   24 hr trend......5 degrees warmer.
Min humidity........16-22 percent.
   24 hr trend......12 percent drier.
20-foot winds.......Southwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 5 to 10 mph.
Mixing height.......1500-2000 ft AGL increasing to 7900-8400 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (6300 knot-ft) increasing to good (65600
                    knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with chance of showers. Lows in the lower
30s. Highs around 60. South winds around 10 mph.
.TUESDAY...Partly cloudy with slight chance of rain. Lows in the
mid 20s. Highs in the lower 50s. Northeast winds around 15 mph.
.WEDNESDAY...Clear. Lows in the mid 20s. Highs in the upper 50s.
Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 30s. Highs in the
upper 50s.
.FRIDAY...Clear. Lows around 30. Highs in the lower 60s.

$$

WYZ305-212215-
Sierra Madre Range/Medicine Bow NF-
157 AM MDT Sat Apr 21 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MDT THIS
MORNING...

.TODAY...
Sky/weather.........Mostly cloudy until 1500, then partly cloudy.
                    Patchy fog until 0900. Chance of snow and
                    slight chance of rain.
Max temperature.....42-52.
   24 hr trend......4 degrees cooler.
Min humidity........44-50 percent.
   24 hr trend......6 percent wetter.
20-foot winds.......Northwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....North around 15 mph.
Mixing height.......2600 ft AGL increasing to 5800-7000 ft AGL in
                    the afternoon.
Smoke dispersal.....Poor (30600 knot-ft) increasing to good (91200
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....29-34.
   24 hr trend......4 degrees warmer.
Max humidity........72-78 percent.
   24 hr trend......21 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing height.......2400-3900 ft AGL decreasing to 900-1400 ft AGL
                    after midnight.
Smoke dispersal.....Poor to fair (9500-40800 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....52-60.
   24 hr trend......17 degrees warmer.
Min humidity........29-35 percent.
   24 hr trend......16 percent drier.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 5 to 10 mph.
Mixing height.......2900-4500 ft AGL increasing to 7100-7900 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to fair (18200-54200 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Chance of rain and snow showers. Lows in
the mid 30s. Highs in the mid 50s. Southwest winds around 10 mph.
.TUESDAY...Partly cloudy. Chance of rain and snow. Lows in the
mid 20s. Highs in the mid 40s. North winds around 10 mph.
.WEDNESDAY...Clear. Lows in the upper 20s. Highs in the lower
50s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy. Lows in the lower 30s. Highs in the
lower 50s.
.FRIDAY...Clear. Lows around 30. Highs in the mid 50s.

$$

WYZ306-212215-
Upper North Platte River Basin-
157 AM MDT Sat Apr 21 2018

.TODAY...
Sky/weather.........Mostly cloudy until 1500, then partly cloudy.
                    Patchy fog until 0900. Slight chance of snow
                    until 1300. slight chance of rain after 1100.
Max temperature.....49-55.
   24 hr trend......5 degrees warmer.
Min humidity........37-43 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Northwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing height.......2700 ft AGL increasing to 6200-7200 ft AGL in
                    the afternoon.
Smoke dispersal.....Poor (19700 knot-ft) increasing to good (86800
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....31-36.
   24 hr trend......3 degrees warmer.
Max humidity........71-77 percent.
   24 hr trend......25 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph shifting to the
                    southwest after midnight.
Mixing height.......800-2500 ft AGL.
Smoke dispersal.....Poor (4900-18100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....60-65.
   24 hr trend......10 degrees warmer.
Min humidity........22-28 percent.
   24 hr trend......14 percent drier.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 5 to 10 mph.
Mixing height.......4000-4900 ft AGL increasing to 8500-9000 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to good (15600-64600 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Chance of showers. Lows in the mid 30s.
Highs around 60. Southwest winds around 10 mph.
.TUESDAY...Cooler. Mostly cloudy. Slight chance of rain. Lows in
the upper 20s. Highs in the upper 40s. North winds around 10 mph.
.WEDNESDAY...Clear. Lows in the upper 20s. Highs in the mid 50s.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy. Lows in the lower 30s. Highs in the
mid 50s.
.FRIDAY...Clear. Lows in the lower 30s. Highs in the upper 50s.

$$

WYZ307-212215-
Snowy Range/Medicine Bow NF-
157 AM MDT Sat Apr 21 2018

...WINTER STORM WARNING IN EFFECT UNTIL 9 AM MDT THIS MORNING...

.TODAY...
Sky/weather.........Mostly cloudy. Patchy fog until 0900. Chance of
                    snow. chance of rain after 1300.
Max temperature.....40-46.
   24 hr trend......2 degrees warmer.
Min humidity........49-55 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......Northwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.15 percent.
Transport winds.....North around 10 mph increasing to northwest
                    around 20 mph in the afternoon.
Mixing height.......2400-2900 ft AGL increasing to 4600-5600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (24000 knot-ft) increasing to good (79000
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....27-32.
   24 hr trend......6 degrees warmer.
Max humidity........70-76 percent.
   24 hr trend......24 percent drier.
Humidity recovery...Good.
20-foot winds.......West 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph decreasing to around 10
                    mph after midnight.
Mixing height.......1100-2700 ft AGL.
Smoke dispersal.....Poor (14300-37800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....50-58.
   24 hr trend......13 degrees warmer.
Min humidity........29-35 percent.
   24 hr trend......24 percent drier.
20-foot winds.......West around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph.
Mixing height.......3700-4600 ft AGL increasing to 8000-8500 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to fair (29400-56700 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Chance of rain and snow showers. Lows in
the lower 30s. Highs in the lower 50s. Southwest winds around 10
mph.
.TUESDAY...Colder. Mostly cloudy. Chance of rain and snow. Lows
in the mid 20s. Highs in the lower 40s. Winds generally less than
10 mph.
.WEDNESDAY...Clear. Lows in the mid 20s. Highs in the upper 40s.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and snow
showers. Lows in the upper 20s. Highs in the upper 40s.
.FRIDAY...Clear. Lows in the upper 20s. Highs in the lower 50s.

$$

WYZ308-212215-
Laramie Valley/Shirley Basin-
157 AM MDT Sat Apr 21 2018

.TODAY...
Sky/weather.........Mostly cloudy. Patchy fog until 0900. Chance of
                    snow until 1200. slight chance of rain after
                    1100. slight chance of snow after 1200 until
                    1300.
Max temperature.....47-53.
   24 hr trend......8 degrees warmer.
Min humidity........43-49 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Northwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing height.......2600-3100 ft AGL increasing to 5000-5900 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to good (18200-62000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....27-32.
   24 hr trend......1 degree cooler.
Max humidity........79-85 percent.
   24 hr trend......11 percent drier.
Humidity recovery...Good.
20-foot winds.......West around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 5 to 10 mph.
Mixing height.......800-1700 ft AGL.
Smoke dispersal.....Poor (4600-10300 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....60-65.
   24 hr trend......12 degrees warmer.
Min humidity........22-28 percent.
   24 hr trend......19 percent drier.
20-foot winds.......West around 5 mph shifting to the southeast in
                    the afternoon.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 5 mph shifting to the west in
                    the afternoon.
Mixing height.......2000-3100 ft AGL increasing to 8000-8500 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to fair (15400-50200 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with chance of showers. Lows in the lower
30s. Highs in the upper 50s. South winds around 10 mph.
.TUESDAY...Cooler. Mostly cloudy. Chance of rain and slight
chance of snow. Lows in the upper 20s. Highs in the upper 40s.
North winds around 10 mph.
.WEDNESDAY...Clear. Lows in the mid 20s. Highs in the mid 50s.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of rain and snow
showers. Lows in the lower 30s. Highs in the mid 50s.
.FRIDAY...Clear. Lows in the upper 20s. Highs in the upper 50s.

$$

WYZ309-212215-
South Laramie Range/Medicine Bow NF-
157 AM MDT Sat Apr 21 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT TODAY...

.TODAY...
Sky/weather.........Mostly cloudy. Patchy fog until 0900. Chance of
                    rain and snow.
Max temperature.....43-51.
   24 hr trend......4 degrees warmer.
Min humidity........49-55 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northeast around 5 mph.
LAL.................1.
Chc of wetting rain.15 percent.
Transport winds.....North around 10 mph.
Mixing height.......2500-3000 ft AGL increasing to 5000-5800 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to fair (14100-43400 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....28-33.
   24 hr trend......3 degrees warmer.
Max humidity........86-92 percent.
   24 hr trend......15 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph shifting to the west after
                    midnight. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing height.......800-2200 ft AGL.
Smoke dispersal.....Poor (6800-14600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....58-64.
   24 hr trend......15 degrees warmer.
Min humidity........26-32 percent.
   24 hr trend......23 percent drier.
20-foot winds.......Northwest around 5 mph shifting to the east in
                    the afternoon. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph.
Mixing height.......2800-3600 ft AGL increasing to 7400-7900 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to fair (32700-41100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with chance of showers. Lows in the mid
30s. Highs around 60. South winds around 10 mph.
.TUESDAY...Cooler. Mostly cloudy. Chance of rain and slight
chance of snow. Lows in the upper 20s. Highs in the upper 40s.
North winds around 15 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 20s. Highs in the
mid 50s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear with slight chance of rain and snow
showers. Lows in the lower 30s. Highs in the mid 50s.
.FRIDAY...Clear. Lows in the lower 30s. Highs in the upper 50s.

$$

WYZ310-212215-
Platte/Goshen/Central and Eastern Laramie-
157 AM MDT Sat Apr 21 2018

.TODAY...
Sky/weather.........Mostly cloudy. Patchy fog until 0900. Chance of
                    rain and snow until 1200, then slight chance of
                    rain. Little or no snow accumulation.
Max temperature.....48-54.
   24 hr trend......6 degrees warmer.
Min humidity........48-54 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Southeast around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.15 percent.
Transport winds.....South around 10 mph shifting to the east in the
                    afternoon.
Mixing height.......2200-2700 ft AGL increasing to 5700-6700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (14100-26600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....28-33.
   24 hr trend......2 degrees cooler.
Max humidity........93-99 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......South 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing height.......2300-3200 ft AGL decreasing to 600-1100 ft AGL
                    after midnight.
Smoke dispersal.....Poor (6300-27200 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....62-67.
   24 hr trend......8 degrees warmer.
Min humidity........27-33 percent.
   24 hr trend......24 percent drier.
20-foot winds.......Northwest around 5 mph shifting to the
                    northeast in the afternoon. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North around 5 mph.
Mixing height.......900-2300 ft AGL increasing to 6100-7800 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (11100-33000 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with chance of showers. Lows in the mid
30s. Highs in the mid 60s. Southeast winds around 10 mph.
.TUESDAY...Cooler. Mostly cloudy. Chance of rain and slight
chance of snow. Lows in the lower 30s. Highs in the lower 50s.
North winds around 15 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 20s. Highs around
60. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 30s. Highs in the upper
50s.
.FRIDAY...Clear. Lows in the lower 30s. Highs in the lower 60s.

$$

NEZ311-212215-
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
157 AM MDT Sat Apr 21 2018

.TODAY...
Sky/weather.........Mostly cloudy. Patchy fog until 0900. Chance of
                    snow until 1000. chance of rain until 1200,
                    then slight chance of rain.
Max temperature.....49-54.
   24 hr trend......9 degrees warmer.
Min humidity........47-53 percent.
   24 hr trend......3 percent drier.
20-foot winds.......South 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.10 percent.
Transport winds.....South around 15 mph decreasing to around 5 mph
                    in the afternoon.
Mixing height.......2400-2900 ft AGL increasing to 6000-6600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (29500-39000 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....29-34.
   24 hr trend......2 degrees cooler.
Max humidity........93-99 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......South 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing height.......3000-3500 ft AGL decreasing to 700 ft AGL after
                    midnight.
Smoke dispersal.....Poor to fair (8400-40900 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....61-66.
   24 hr trend......11 degrees warmer.
Min humidity........32-38 percent.
   24 hr trend......14 percent drier.
20-foot winds.......West around 5 mph shifting to the northeast in
                    the afternoon. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph shifting to the north in the
                    afternoon.
Mixing height.......800-1300 ft AGL increasing to 5700-6800 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (6100-30500 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with chance of showers. Lows in the mid
30s. Highs in the mid 60s. South winds around 10 mph.
.TUESDAY...Cooler. Cloudy with rain likely and chance of snow.
Lows in the lower 30s. Highs in the lower 50s. North winds around
15 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 20s. Highs in the
upper 50s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 30s. Highs in the upper
50s.
.FRIDAY...Clear. Lows in the lower 30s. Highs in the lower 60s.

$$

NEZ312-212215-
Box Butte/South Sioux-
157 AM MDT Sat Apr 21 2018

.TODAY...
Sky/weather.........Cloudy. Patchy fog until 0900. Chance of snow
                    until 1000. chance of rain after 0700 until
                    1200, then slight chance of rain.
Max temperature.....47-52.
   24 hr trend......6 degrees warmer.
Min humidity........51-57 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Southeast around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.15 percent.
Transport winds.....Southeast 5 to 10 mph.
Mixing height.......2400-2900 ft AGL increasing to 5300-6300 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (26400-29100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....28-33.
   24 hr trend......2 degrees cooler.
Max humidity........100 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......South 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing height.......2800-3300 ft AGL decreasing to 800 ft AGL after
                    midnight.
Smoke dispersal.....Poor (9300-32900 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny.
Max temperature.....60-65.
   24 hr trend......14 degrees warmer.
Min humidity........32-38 percent.
   24 hr trend......17 percent drier.
20-foot winds.......South around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 5 mph shifting to the north in the
                    afternoon.
Mixing height.......900 ft AGL increasing to 5000-6100 ft AGL in
                    the afternoon.
Smoke dispersal.....Poor (4200-22900 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly clear with chance of showers. Lows in the mid
30s. Highs in the mid 60s. Southeast winds around 10 mph.
.TUESDAY...Cooler. Mostly cloudy with rain likely and chance of
snow. Lows in the lower 30s. Highs in the lower 50s. North winds
around 15 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 20s. Highs in the
upper 50s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 30s. Highs in the upper
50s.
.FRIDAY...Clear. Lows in the lower 30s. Highs in the lower 60s.

$$

NEZ313-212215-
Scotts Bluff National Monument/Wildcat Hills-
157 AM MDT Sat Apr 21 2018

.TODAY...
Sky/weather.........Cloudy. Patchy fog until 0900. Snow likely
                    until 1100. rain likely after 0700 until 1200,
                    then slight chance of rain. Snow accumulation
                    up to 1 inch.
Max temperature.....46-51.
   24 hr trend......5 degrees warmer.
Min humidity........57-63 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Southeast around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.20 percent.
Transport winds.....East 5 to 10 mph.
Mixing height.......2400-2900 ft AGL increasing to 4600-5400 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (20600-21400 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy until 2100, then partly cloudy.
Min temperature.....28-33.
   24 hr trend......1 degree warmer.
Max humidity........100 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing height.......2900-3400 ft AGL decreasing to 700-1200 ft AGL
                    after midnight.
Smoke dispersal.....Poor (10100-26400 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny.
Max temperature.....59-64.
   24 hr trend......14 degrees warmer.
Min humidity........35-41 percent.
   24 hr trend......26 percent drier.
20-foot winds.......South around 5 mph shifting to the southeast in
                    the afternoon. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 5 mph shifting to the north in
                    the afternoon.
Mixing height.......900-1400 ft AGL increasing to 5000 ft AGL in
                    the afternoon.
Smoke dispersal.....Poor (6400-19900 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly clear with chance of showers. Lows in the mid
30s. Highs in the mid 60s. Southeast winds around 10 mph.
.TUESDAY...Cooler. Mostly cloudy with rain likely and chance of
snow. Lows in the lower 30s. Highs in the lower 50s. North winds
around 15 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 20s. Highs in the
upper 50s. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 30s. Highs in the upper
50s.
.FRIDAY...Clear. Lows in the lower 30s. Highs in the lower 60s.

$$
MAJ/RE



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