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

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000
FNUS55 KCYS 171019
FWFCYS

Fire Weather Planning Forecast for Southeast Wyoming/Western Nebraska
National Weather Service Cheyenne WY
319 AM MST Sat Feb 17 2018

...STRONG WINDS TODAY ACROSS MUCH OF SOUTHEAST WYOMING...
...SIGNIFICANT ACCUMULATING SNOW BEHIND AN ARCTIC FRONT SUNDAY
LATE MORNING THROUGH TUESDAY MORNING...

.DISCUSSION...
Strong winds continue today ahead of an approaching arctic front
moving into the area from the north. Will see widespread strong
winds through the day today into this evening. By Sunday late
morning, we begin to see the front move into Converse and Niobrara
Counties with winds shifting north and northeast behind the front.
Widespread moderate snow and much colder air moving in behind the
front. Just about every location in southeast Wyoming and Nebraska
panhandle are going to see snow accumulations with the most
significant along and north/west of a line from Chadron to
Wheatland to Buford. Snow continues into Tuesday before ending.

WYZ301-172330-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
319 AM MST Sat Feb 17 2018

...HIGH WIND WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 AM
MST SUNDAY...
...WINTER STORM WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY EVENING...

.TODAY...
Sky/weather.........Partly cloudy. Patchy fog and blowing snow
                    until 1000.
Max temperature.....36-44.
   24 hr trend......1 degree warmer.
Min humidity........38-44 percent.
   24 hr trend......7 percent wetter.
20-foot winds.......West around 15 mph with gusts to around 40 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 30 mph.
Mixing height.......1600-3600 ft AGL increasing to 4100-5900 ft AGL
                    in the afternoon.
Smoke dispersal.....Good (67800 knot-ft) increasing to very good
                    (131800 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly cloudy.
                    Patchy fog and blowing snow after 2000. Chance
                    of snow after 0500.
Min temperature.....26-34.
   24 hr trend......10 degrees warmer.
Max humidity........67-73 percent.
   24 hr trend......1 percent drier.
Humidity recovery...Good.
20-foot winds.......Breezy. Southwest 20 to 25 mph with gusts to
                    around 55 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 30 to 35 mph.
Mixing height.......500-1900 ft AGL.
Smoke dispersal.....Poor (21600-37600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy. Patchy blowing snow until 0700.
                    Chance of snow until 1100, then snow likely
                    until 1700, then snow. Snow accumulation of 1
                    to 4 inches.
Max temperature.....33-41.
   24 hr trend......6 degrees cooler.
Min humidity........46-52 percent.
   24 hr trend......12 percent wetter.
20-foot winds.......Northwest around 10 mph with higher gusts
                    shifting to the north and gusty in the
                    afternoon.
LAL.................1.
Chc of wetting rain.35 percent.
Transport winds.....West around 25 mph becoming northeast around 15
                    mph in the afternoon.
Mixing height.......400-1700 ft AGL increasing to 2700-3600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (26500-27200 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.WASHINGTONS BIRTHDAY...Much colder. Snow. Lows near zero. Highs
around 9. Northeast winds around 10 mph.
.TUESDAY...Mostly cloudy with chance of snow. Lows around
12 below. Highs around 6. Northwest winds around 5 mph.
.WEDNESDAY...Not as cold. Partly cloudy. Lows around 11 below.
Highs around 20. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows around 6. Highs in the upper 20s.
.FRIDAY...Partly cloudy. Lows around 10. Highs in the lower 30s.

$$

WYZ302-172330-
North Laramie Range/Medicine Bow NF-
319 AM MST Sat Feb 17 2018

...HIGH WIND WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 AM
MST SUNDAY...
...WINTER STORM WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY EVENING...

.TODAY...
Sky/weather.........Partly cloudy. Patchy fog and blowing snow.
Max temperature.....32-40.
   24 hr trend......5 degrees warmer.
Min humidity........38-44 percent.
   24 hr trend......9 percent wetter.
20-foot winds.......Windy. West 30 to 35 mph with gusts to around
                    65 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 40 mph increasing to around 50 mph
                    in the afternoon.
Mixing height.......2700-4700 ft AGL.
Smoke dispersal.....Very good (128000-140100 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy until 2100, then partly cloudy.
                    Patchy fog and blowing snow until 2400. blowing
                    snow and widespread fog after 2400. Chance of
                    snow after 0500.
Min temperature.....26-34.
   24 hr trend......11 degrees warmer.
Max humidity........56-62 percent.
   24 hr trend......16 percent drier.
Humidity recovery...Fair.
20-foot winds.......Very windy. West 35 to 40 mph. Gusts up to 65
                    mph increasing to 80 mph after midnight.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 55 to 60 mph.
Mixing height.......600-1600 ft AGL.
Smoke dispersal.....Fair (45900-59900 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Partly cloudy until 0900, then mostly cloudy.
                    Patchy blowing snow until 1200. patchy blowing
                    snow after 1300 until 1400. Chance of snow
                    until 1700. snow after 1700. Snow accumulation
                    up to 3 inches.
Max temperature.....35-45.
   24 hr trend......7 degrees warmer.
Min humidity........44-50 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Breezy. West around 25 mph with gusts to around
                    55 mph decreasing to around 15 mph with gusts
                    to around 45 mph in the afternoon.
LAL.................1.
Chc of wetting rain.25 percent.
Transport winds.....West around 50 mph becoming southwest and
                    decreasing to around 35 mph in the afternoon.
Mixing height.......1100-2300 ft AGL increasing to 4300-6200 ft AGL
                    in the afternoon.
Smoke dispersal.....Good (73000 knot-ft) increasing to excellent
                    (166500 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.WASHINGTONS BIRTHDAY...Much colder. Snow. Lows around 5. Highs
around 13. East winds around 5 mph.
.TUESDAY...Mostly cloudy with chance of snow. Lows around
6 below. Highs around 9. North winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows around 4 below. Highs around 19.
West winds around 10 mph.
.THURSDAY...Mostly clear. Lows around 8. Highs in the upper 20s.
.FRIDAY...Partly cloudy. Lows around 12. Highs around 30.

$$

WYZ303-172330-
Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains-
319 AM MST Sat Feb 17 2018

...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST SUNDAY...
...WINTER STORM WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY EVENING...

.TODAY...
Sky/weather.........Partly cloudy. Patchy fog and blowing snow.
Max temperature.....34-40.
   24 hr trend......6 degrees warmer.
Min humidity........34-40 percent.
   24 hr trend......13 percent wetter.
20-foot winds.......Windy. Southwest around 35 mph with gusts to
                    around 65 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 40 to 45 mph.
Mixing height.......2600-4300 ft AGL.
Smoke dispersal.....Very good (103700-147000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy. Patchy fog and blowing snow.
                    Chance of snow after 0500.
Min temperature.....27-32.
   24 hr trend......10 degrees warmer.
Max humidity........54-60 percent.
   24 hr trend......16 percent drier.
Humidity recovery...Fair.
20-foot winds.......Windy. Southwest around 35 mph with gusts to
                    around 60 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 45 to 50 mph.
Mixing height.......900-1900 ft AGL.
Smoke dispersal.....Fair to good (46200-68800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Partly cloudy until 0900, then mostly cloudy.
                    Patchy blowing snow until 1100. patchy blowing
                    snow after 1700. Chance of snow until 1700,
                    then snow. Snow accumulation up to 2 inches.
Max temperature.....39-45.
   24 hr trend......6 degrees warmer.
Min humidity........37-43 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Breezy. Southwest 20 to 25 mph with gusts to
                    around 50 mph.
LAL.................1.
Chc of wetting rain.20 percent.
Transport winds.....Southwest 40 to 45 mph.
Mixing height.......1200-1800 ft AGL increasing to 4900-6900 ft AGL
                    in the afternoon.
Smoke dispersal.....Fair (52000 knot-ft) increasing to excellent
                    (228900 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.WASHINGTONS BIRTHDAY...Much colder. Patchy blowing snow in the
evening. Snow. Lows around 10. Highs around 17. North winds
around 10 mph.
.TUESDAY...Mostly cloudy with chance of snow. Lows around
3 below. Highs around 14. North winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows around 3 below. Highs around 20.
Southwest winds around 10 mph.
.THURSDAY...Mostly clear. Lows around 9. Highs in the upper 20s.
.FRIDAY...Partly cloudy. Lows around 13. Highs in the lower 30s.

$$

WYZ304-172330-
Southwest Carbon County-
319 AM MST Sat Feb 17 2018

.TODAY...
Sky/weather.........Partly cloudy. Patchy fog and blowing snow
                    until 1300.
Max temperature.....38-43.
   24 hr trend......5 degrees warmer.
Min humidity........29-35 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Breezy. Southwest 20 to 25 mph with gusts to
                    around 50 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph increasing to southwest
                    around 35 mph in the afternoon.
Mixing height.......3400-4600 ft AGL.
Smoke dispersal.....Good to very good (84000-126400 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy until 0300, then mostly cloudy.
                    Patchy fog and blowing snow. Slight chance of
                    snow after 0500.
Min temperature.....24-29.
   24 hr trend......7 degrees warmer.
Max humidity........58-64 percent.
   24 hr trend......12 percent drier.
Humidity recovery...Fair.
20-foot winds.......Southwest around 20 mph with gusts to around 40
                    mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 30 to 35 mph.
Mixing height.......700-1800 ft AGL.
Smoke dispersal.....Poor to fair (26500-48000 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy. Patchy blowing snow until 1100.
                    Chance of snow until 1200, then snow likely and
                    chance of rain. Snow accumulation up to 1 inch.
Max temperature.....42-47.
   24 hr trend......5 degrees warmer.
Min humidity........32-38 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Breezy. Southwest 20 to 25 mph with gusts to
                    around 45 mph.
LAL.................1.
Chc of wetting rain.10 percent.
Transport winds.....Southwest around 30 mph increasing to around 40
                    mph in the afternoon.
Mixing height.......1000-1500 ft AGL increasing to 4600-5600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (30400 knot-ft) increasing to excellent
                    (185600 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.WASHINGTONS BIRTHDAY...Colder, snow. Lows around 16. Highs in
the mid 20s. West winds around 10 mph.
.TUESDAY...Mostly cloudy with chance of snow. Lows around
2 below. Highs in the lower 20s. Northwest winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows around 4 below. Highs in the mid
20s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows around 6. Highs in the lower 30s.
.FRIDAY...Partly cloudy. Lows around 12. Highs in the lower 30s.

$$

WYZ305-172330-
Sierra Madre Range/Medicine Bow NF-
319 AM MST Sat Feb 17 2018

...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH
MONDAY EVENING...

.TODAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy
                    until 1500, then mostly cloudy. Slight chance
                    of snow until 1100. Patchy fog and blowing
                    snow.
Max temperature.....29-37.
   24 hr trend......7 degrees warmer.
Min humidity........40-46 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Breezy. Southwest 20 to 25 mph with gusts to
                    around 50 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 35 to 40 mph.
Mixing height.......2500-4300 ft AGL.
Smoke dispersal.....Very good (101600-110300 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
                    until 0300, then mostly cloudy. Patchy fog and
                    blowing snow. Slight chance of snow after 0500.
Min temperature.....24-29.
   24 hr trend......9 degrees warmer.
Max humidity........58-64 percent.
   24 hr trend......19 percent drier.
Humidity recovery...Fair.
20-foot winds.......Breezy. Southwest around 25 mph with gusts to
                    around 55 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 40 to 45 mph.
Mixing height.......900-2000 ft AGL.
Smoke dispersal.....Fair (44200-59900 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Partly cloudy until 0900, then mostly cloudy.
                    Patchy blowing snow until 1300. patchy blowing
                    snow after 1600. Slight chance of snow until
                    1100. chance of snow after 1100 until 1700.
                    snow likely after 1700. Snow accumulation up to
                    2 inches.
Max temperature.....35-43.
   24 hr trend......6 degrees warmer.
Min humidity........41-47 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Southwest 15 to 20 mph with gusts to around 45
                    mph.
LAL.................1.
Chc of wetting rain.15 percent.
Transport winds.....Southwest around 40 mph increasing to around 50
                    mph in the afternoon.
Mixing height.......1200-1800 ft AGL increasing to 4200-5500 ft AGL
                    in the afternoon.
Smoke dispersal.....Fair (52000 knot-ft) increasing to excellent
                    (200900 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.WASHINGTONS BIRTHDAY...Colder. Patchy blowing snow in the
evening. Snow. Lows around 19. Highs in the mid 20s. Southwest
winds around 10 mph.
.TUESDAY...Colder. Cloudy with snow. Lows around 2. Highs around
15. Northwest winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows around 1 below. Highs around 18.
Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows around 8. Highs in the upper 20s.
.FRIDAY...Partly cloudy. Lows around 14. Highs in the upper 20s.

$$

WYZ306-172330-
Upper North Platte River Basin-
319 AM MST Sat Feb 17 2018

...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST SUNDAY...
...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH
MONDAY EVENING...

.TODAY...
Sky/weather.........Partly cloudy. Patchy fog and blowing snow
                    until 1300. patchy fog and blowing snow after
                    1700.
Max temperature.....35-40.
   24 hr trend......6 degrees warmer.
Min humidity........34-40 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Windy. Southwest 25 to 30 mph with gusts to
                    around 55 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 35 to 40 mph.
Mixing height.......3600-4400 ft AGL.
Smoke dispersal.....Very good (119900-125900 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy. Patchy fog and blowing snow.
                    Slight chance of snow after 0500.
Min temperature.....27-32.
   24 hr trend......10 degrees warmer.
Max humidity........55-61 percent.
   24 hr trend......24 percent drier.
Humidity recovery...Fair.
20-foot winds.......Windy. Southwest 25 to 30 mph with gusts to
                    around 60 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 35 mph.
Mixing height.......1300-1900 ft AGL.
Smoke dispersal.....Fair to good (49300-61800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Partly cloudy until 1200, then mostly cloudy.
                    Patchy blowing snow until 1000. Slight chance
                    of snow until 1100. chance of snow after 1100
                    until 1700, then snow likely. Little or no snow
                    accumulation.
Max temperature.....41-46.
   24 hr trend......6 degrees warmer.
Min humidity........34-40 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Breezy. Southwest 20 to 25 mph with gusts to
                    around 45 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 35 mph increasing to around 45
                    mph in the afternoon.
Mixing height.......1500-2000 ft AGL increasing to 5100-5700 ft AGL
                    in the afternoon.
Smoke dispersal.....Fair (52300 knot-ft) increasing to excellent
                    (214000 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.WASHINGTONS BIRTHDAY...Colder. Patchy blowing snow in the
evening. Snow. Lows around 18. Highs in the upper 20s. West winds
around 10 mph.
.TUESDAY...Colder. Cloudy with chance of snow. Lows around 1.
Highs around 16. Northwest winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows around 1 below. Highs in the
lower 20s. Southwest winds around 10 mph.
.THURSDAY...Mostly clear. Lows around 10. Highs around 30.
.FRIDAY...Partly cloudy. Lows around 15. Highs in the lower 30s.

$$

WYZ307-172330-
Snowy Range/Medicine Bow NF-
319 AM MST Sat Feb 17 2018

...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH
MONDAY EVENING...

.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow until
                    1700. Blowing snow until 0800. patchy fog.
                    patchy blowing snow after 0800.
Max temperature.....28-34.
   24 hr trend......5 degrees warmer.
Min humidity........37-43 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......Windy. West 30 to 35 mph with gusts to around
                    65 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....West 45 to 50 mph.
Mixing height.......2300-3900 ft AGL.
Smoke dispersal.....Very good (119200-126200 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy. Blowing snow and patchy fog.
                    Slight chance of snow after 0500.
Min temperature.....23-28.
   24 hr trend......12 degrees warmer.
Max humidity........57-63 percent.
   24 hr trend......24 percent drier.
Humidity recovery...Fair.
20-foot winds.......Windy. Southwest around 35 mph with gusts to
                    around 70 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 50 mph.
Mixing height.......800-1700 ft AGL.
Smoke dispersal.....Fair (50800-56500 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Partly cloudy. Patchy blowing snow. Slight
                    chance of snow until 1100. chance of snow after
                    1100 until 1700, then snow likely. Snow
                    accumulation up to 1 inch.
Max temperature.....34-42.
   24 hr trend......7 degrees warmer.
Min humidity........39-45 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Breezy. Southwest 20 to 25 mph. Gusts up to 60
                    mph decreasing to 50 mph in the afternoon.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 50 mph.
Mixing height.......1200-1800 ft AGL increasing to 4000-5300 ft AGL
                    in the afternoon.
Smoke dispersal.....Good (63700 knot-ft) increasing to excellent
                    (213500 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.WASHINGTONS BIRTHDAY...Colder. Patchy blowing snow. Snow. Lows
around 15. Highs in the lower 20s. Southwest winds around 10 mph.
.TUESDAY...Colder, snow. Lows around 2 below. Highs around 11.
West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows around 4 below. Highs around 16.
West winds around 10 mph.
.THURSDAY...Mostly clear. Lows around 7. Highs in the mid 20s.
.FRIDAY...Partly cloudy. Lows around 12. Highs in the upper 20s.

$$

WYZ308-172330-
Laramie Valley/Shirley Basin-
319 AM MST Sat Feb 17 2018

...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST SUNDAY...
...WINTER STORM WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY EVENING...

.TODAY...
Sky/weather.........Partly cloudy. Areas of blowing snow until
                    1200. patchy fog. patchy blowing snow after
                    1200.
Max temperature.....35-40.
   24 hr trend......5 degrees warmer.
Min humidity........33-39 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Windy. West around 35 mph with gusts to around
                    65 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 45 mph.
Mixing height.......3300-4200 ft AGL.
Smoke dispersal.....Very good to excellent (132100-150900 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy. Patchy fog and blowing snow.
                    Chance of snow after 0500.
Min temperature.....27-32.
   24 hr trend......9 degrees warmer.
Max humidity........53-59 percent.
   24 hr trend......18 percent drier.
Humidity recovery...Fair.
20-foot winds.......Windy. Southwest 30 to 35 mph with gusts to
                    around 60 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 40 to 45 mph.
Mixing height.......900-1700 ft AGL.
Smoke dispersal.....Fair (43400-54900 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Partly cloudy until 1500, then mostly cloudy.
                    Patchy blowing snow until 1000. Chance of snow
                    until 1100. slight chance of snow after 1100
                    until 1700, then snow. Snow accumulation up to
                    2 inches.
Max temperature.....41-47.
   24 hr trend......8 degrees warmer.
Min humidity........34-40 percent.
   24 hr trend......Unchanged.
20-foot winds.......Breezy. Southwest 20 to 25 mph with gusts to
                    around 45 mph.
LAL.................1.
Chc of wetting rain.10 percent.
Transport winds.....Southwest around 40 mph.
Mixing height.......1200-1700 ft AGL increasing to 5300-6600 ft AGL
                    in the afternoon.
Smoke dispersal.....Fair (46600 knot-ft) increasing to excellent
                    (228800 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.WASHINGTONS BIRTHDAY...Much colder. Snow. Lows around 11. Highs
around 20. Southeast winds around 10 mph.
.TUESDAY...Mostly cloudy with snow likely. Lows around 4 below.
Highs around 12. North winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows around 5 below. Highs around 20.
West winds around 10 mph.
.THURSDAY...Mostly clear. Lows around 8. Highs around 30.
.FRIDAY...Partly cloudy. Lows around 12. Highs in the lower 30s.

$$

WYZ309-172330-
South Laramie Range/Medicine Bow NF-
319 AM MST Sat Feb 17 2018

...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST SUNDAY...
...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH
MONDAY EVENING...

.TODAY...
Sky/weather.........Partly cloudy until 1200, then mostly sunny
                    until 1500, then partly cloudy. Areas of
                    blowing snow until 1200. patchy fog. patchy
                    blowing snow after 1200.
Max temperature.....37-45.
   24 hr trend......11 degrees warmer.
Min humidity........26-32 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......Windy. West around 35 mph with gusts to around
                    65 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 50 mph decreasing to around 40 mph
                    in the afternoon.
Mixing height.......3500-5300 ft AGL.
Smoke dispersal.....Excellent (162700-177500 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy. Patchy fog and blowing snow.
Min temperature.....27-33.
   24 hr trend......5 degrees warmer.
Max humidity........47-53 percent.
   24 hr trend......21 percent drier.
Humidity recovery...Poor.
20-foot winds.......Breezy. Southwest around 25 mph with gusts to
                    around 60 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 40 to 45 mph.
Mixing height.......600-1600 ft AGL.
Smoke dispersal.....Poor to fair (32900-42700 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Partly cloudy. Patchy blowing snow until 1000.
                    patchy blowing snow after 1700. Slight chance
                    of rain and snow after 1100 until 1700, then
                    chance of snow and rain likely. Little or no
                    snow accumulation.
Max temperature.....45-53.
   24 hr trend......7 degrees warmer.
Min humidity........25-31 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Breezy. West 20 to 25 mph with gusts to around
                    50 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....West around 40 mph becoming southwest around 30
                    mph in the afternoon.
Mixing height.......900-1600 ft AGL increasing to 6600-8600 ft AGL
                    in the afternoon.
Smoke dispersal.....Fair (44100 knot-ft) increasing to excellent
                    (214900 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.WASHINGTONS BIRTHDAY...Much colder. Snow. Lows around 9. Highs
around 19. East winds around 10 mph.
.TUESDAY...Cloudy with snow likely. Lows around 4 below. Highs
around 11. North winds around 5 mph.
.WEDNESDAY...Not as cold. Partly cloudy. Lows around 3 below.
Highs in the lower 20s. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows around 10. Highs in the lower 30s.
.FRIDAY...Mostly clear. Lows around 14. Highs in the mid 30s.

$$

WYZ310-172330-
Platte/Goshen/Central and Eastern Laramie-
319 AM MST Sat Feb 17 2018

...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST SUNDAY...
...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH
MONDAY EVENING...

.TODAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
                    Patchy fog and blowing snow until 1000.
Max temperature.....45-50.
   24 hr trend......2 degrees warmer.
Min humidity........21-27 percent.
   24 hr trend......8 percent wetter.
20-foot winds.......Breezy. West 20 to 25 mph with gusts to around
                    55 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 30 to 35 mph.
Mixing height.......3600-5200 ft AGL increasing to 5600-7000 ft AGL
                    in the afternoon.
Smoke dispersal.....Excellent (150100-157600 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.
                    Patchy fog and blowing snow after 2400 until
                    0500. Chance of snow after 0500.
Min temperature.....29-35.
   24 hr trend......8 degrees warmer.
Max humidity........47-53 percent.
   24 hr trend......4 percent drier.
Humidity recovery...Poor.
20-foot winds.......Southwest around 15 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 25 to 30 mph.
Mixing height.......400-2000 ft AGL.
Smoke dispersal.....Poor (15100-33000 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Partly cloudy until 1500, then mostly cloudy.
                    Chance of snow until 1200. chance of rain. snow
                    likely after 1200. Snow accumulation up to 1
                    inch.
Max temperature.....48-56.
   24 hr trend......8 degrees warmer.
Min humidity........27-33 percent.
   24 hr trend......1 percent drier.
20-foot winds.......West around 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing height.......700-1500 ft AGL increasing to 5600-7600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (21200 knot-ft) increasing to good (91100
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.WASHINGTONS BIRTHDAY...Much colder. Snow likely. Lows around 6.
Highs around 16. Northeast winds around 10 mph.
.TUESDAY...Cloudy with snow likely. Lows around 7 below. Highs
around 10. North winds around 5 mph.
.WEDNESDAY...Not as cold. Partly cloudy. Lows around 4 below.
Highs in the mid 20s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows around 9. Highs in the mid 30s.
.FRIDAY...Partly cloudy. Lows around 15. Highs in the upper 30s.

$$

NEZ311-172330-
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
319 AM MST Sat Feb 17 2018

...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH
MONDAY EVENING...

.TODAY...
Sky/weather.........Partly cloudy.
Max temperature.....36-41.
   24 hr trend......2 degrees cooler.
Min humidity........41-47 percent.
   24 hr trend......1 percent drier.
20-foot winds.......West 10 to 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing height.......1100-2500 ft AGL increasing to 4100-6100 ft AGL
                    in the afternoon.
Smoke dispersal.....Fair to good (42400-88300 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy. Patchy fog and blowing snow
                    after 2000. Chance of snow after 0500.
Min temperature.....26-32.
   24 hr trend......9 degrees warmer.
Max humidity........69-75 percent.
   24 hr trend......23 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest around 15 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 25 to 30 mph.
Mixing height.......200-900 ft AGL.
Smoke dispersal.....Poor (11000-14000 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy. Patchy blowing snow until 0700.
                    Chance of snow until 1200. chance of rain. snow
                    likely after 1200. Snow accumulation up to 1
                    inch.
Max temperature.....38-44.
   24 hr trend......4 degrees warmer.
Min humidity........43-49 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......West around 10 mph with higher gusts shifting
                    to the northeast and gusty in the afternoon.
LAL.................1.
Chc of wetting rain.10 percent.
Transport winds.....West around 20 mph shifting to the north in the
                    afternoon.
Mixing height.......300-800 ft AGL increasing to 2800-3300 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (10100-23700 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.WASHINGTONS BIRTHDAY...Much colder. Patchy blowing snow. Snow
likely. Lows around 1 below. Highs around 11. Northeast winds
around 10 mph.
.TUESDAY...Cloudy with snow likely. Lows around 12 below. Highs
around 8. North winds around 5 mph.
.WEDNESDAY...Not as cold. Partly cloudy. Lows around 10 below.
Highs in the lower 20s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows around 5. Highs in the lower 30s.
.FRIDAY...Partly cloudy. Lows around 11. Highs in the mid 30s.

$$

NEZ312-172330-
Box Butte/South Sioux-
319 AM MST Sat Feb 17 2018

.TODAY...
Sky/weather.........Partly cloudy.
Max temperature.....42-47.
   24 hr trend......2 degrees warmer.
Min humidity........24-30 percent.
   24 hr trend......2 percent drier.
20-foot winds.......West around 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 25 to 30 mph.
Mixing height.......2600-3600 ft AGL increasing to 6600-7100 ft AGL
                    in the afternoon.
Smoke dispersal.....Good (74600 knot-ft) increasing to very good
                    (131700 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy. Patchy fog and blowing snow
                    after 2300 until 0500. Slight chance of snow
                    after 0500.
Min temperature.....29-34.
   24 hr trend......6 degrees warmer.
Max humidity........51-57 percent.
   24 hr trend......1 percent wetter.
Humidity recovery...Poor.
20-foot winds.......South around 15 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 25 mph.
Mixing height.......500-1000 ft AGL.
Smoke dispersal.....Poor (11500-18000 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy. Slight chance of snow until
                    1100. slight chance of rain after 1000 until
                    1700. chance of snow after 1100.
Max temperature.....46-52.
   24 hr trend......6 degrees warmer.
Min humidity........32-38 percent.
   24 hr trend......10 percent wetter.
20-foot winds.......West around 10 mph shifting to the north in the
                    afternoon. Gusts up to 25 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....West around 20 mph shifting to the north in the
                    afternoon.
Mixing height.......700 ft AGL increasing to 2600-3100 ft AGL in
                    the afternoon.
Smoke dispersal.....Poor (13400-25900 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.WASHINGTONS BIRTHDAY...Much colder. Snow likely. Lows around 4.
Highs around 16. Northeast winds around 10 mph.
.TUESDAY...Cloudy with snow likely. Lows around 8 below. Highs
around 12. North winds around 5 mph.
.WEDNESDAY...Not as cold. Partly cloudy. Lows around 4 below.
Highs in the mid 20s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows around 8. Highs in the mid 30s.
.FRIDAY...Partly cloudy. Lows around 15. Highs in the upper 30s.

$$

NEZ313-172330-
Scotts Bluff National Monument/Wildcat Hills-
319 AM MST Sat Feb 17 2018

.TODAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
                    Patchy fog and blowing snow until 1000.
Max temperature.....46-51.
   24 hr trend......3 degrees warmer.
Min humidity........22-28 percent.
   24 hr trend......8 percent drier.
20-foot winds.......West 15 to 20 mph with gusts to around 40 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 35 mph becoming west around 25
                    mph in the afternoon.
Mixing height.......2600-4500 ft AGL increasing to 6700-7200 ft AGL
                    in the afternoon.
Smoke dispersal.....Very good (109100-140500 knot-ft).
Haines Index........3 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......3 degrees warmer.
Max humidity........52-58 percent.
   24 hr trend......14 percent drier.
Humidity recovery...Fair.
20-foot winds.......South around 15 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 25 mph.
Mixing height.......200-700 ft AGL.
Smoke dispersal.....Poor (9900-17000 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Partly cloudy until 1200, then mostly cloudy.
                    Slight chance of rain after 1700.
Max temperature.....55-61.
   24 hr trend......13 degrees warmer.
Min humidity........22-28 percent.
   24 hr trend......1 percent drier.
20-foot winds.......West around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph shifting to the south
                    in the afternoon.
Mixing height.......500-1600 ft AGL increasing to 5500-7500 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (17700 knot-ft) increasing to good (71600
                    knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.WASHINGTONS BIRTHDAY...Much colder. Cloudy with chance of snow.
Lows around 10. Highs in the lower 20s. Northeast winds around
10 mph.
.TUESDAY...Cloudy with snow likely. Lows around 2 below. Highs
around 15. North winds around 10 mph.
.WEDNESDAY...Not as cold. Partly cloudy. Lows around 2. Highs in
the upper 20s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows around 10. Highs in the upper 30s.
.FRIDAY...Partly cloudy. Lows around 17. Highs in the lower 40s.

$$


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