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

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000
FNUS55 KCYS 200947
FWFCYS

Fire Weather Planning Forecast for Southeast Wyoming/Western Nebraska
National Weather Service Cheyenne WY
247 AM MST Tue Feb 20 2018

.DISCUSSION...
Snow will end by sunrise today across all of southeast Wyoming and
Nebraska Panhandle. Very cold temperatures over the next couple
days. Widespread snowpack in place, so fire weather concerns are
going to be minimal through much of the week.

WYZ301-202315-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
247 AM MST Tue Feb 20 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 8 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Partly cloudy.
Max temperature.....5-10.
   24 hr trend......4 degrees warmer.
Min humidity........57-63 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Northwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing height.......600-1300 ft AGL increasing to 3300-5300 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to fair (10500-46700 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....9 below-15 below zero.
   24 hr trend......1 degree cooler.
Max humidity........100 percent.
   24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing height.......400-2000 ft AGL.
Smoke dispersal.....Poor (6000-7600 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Max temperature.....18-24.
   24 hr trend......15 degrees warmer.
Min humidity........46-52 percent.
   24 hr trend......13 percent drier.
20-foot winds.......South around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing height.......400-900 ft AGL increasing to 5200-7200 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (8000 knot-ft) increasing to good (89100
                    knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Partly cloudy. Lows around 2 below. Highs in the mid
20s. Southwest winds around 5 mph.
.FRIDAY...Partly cloudy. Lows near zero. Highs in the mid 20s.
Southwest winds around 5 mph.
.SATURDAY...Mostly clear. Lows around 7. Highs in the upper 20s.
Southwest winds around 10 mph.
.SUNDAY...Partly cloudy. Lows around 16. Highs in the lower 30s.
.MONDAY...Partly cloudy. Lows around 14. Highs in the mid 30s.

$$

WYZ302-202315-
North Laramie Range/Medicine Bow NF-
247 AM MST Tue Feb 20 2018

.TODAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny
                    until 1200, then partly cloudy. Slight chance
                    of snow until 1100.
Max temperature.....8-13.
   24 hr trend......8 degrees warmer.
Min humidity........49-55 percent.
   24 hr trend......19 percent drier.
20-foot winds.......West 5 to 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing height.......500-1000 ft AGL increasing to 6600-8600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (8900 knot-ft) increasing to very good
                    (140300 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy until 0300, then clear.
Min temperature.....3 below-9 below zero.
   24 hr trend......9 degrees warmer.
Max humidity........89-95 percent.
   24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West around 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing height.......3000-4600 ft AGL decreasing to 800-1500 ft AGL
                    after midnight.
Smoke dispersal.....Good (75200 knot-ft) decreasing to poor (22700
                    knot-ft) after midnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
Max temperature.....15-21.
   24 hr trend......7 degrees warmer.
Min humidity........44-50 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Southwest around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph.
Mixing height.......600-1100 ft AGL increasing to 6100-7700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (15200 knot-ft) increasing to very good
                    (126700 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Lows around 2. Highs in the lower 20s.
Southwest winds around 5 mph.
.FRIDAY...Partly cloudy. Slight chance of snow showers. Lows
around 4. Highs in the mid 20s. Southwest winds around 5 mph.
.SATURDAY...Mostly clear. Lows around 8. Highs in the upper 20s.
West winds around 10 mph.
.SUNDAY...Partly cloudy with slight chance of snow showers. Lows
around 16. Highs in the upper 20s.
.MONDAY...Partly cloudy. Lows around 13. Highs in the lower 30s.

$$

WYZ303-202315-
Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains-
247 AM MST Tue Feb 20 2018

...WIND CHILL WARNING IN EFFECT UNTIL 8 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Partly cloudy.
Max temperature.....9-14.
   24 hr trend......9 degrees warmer.
Min humidity........53-59 percent.
   24 hr trend......11 percent drier.
20-foot winds.......Southwest 10 to 15 mph. Gusts up to 25 mph
                    increasing to 35 mph in the afternoon.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph increasing to around 25 mph
                    in the afternoon.
Mixing height.......600-1400 ft AGL increasing to 7600-9600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (12000 knot-ft) increasing to excellent
                    (194100 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....6 below-11 below zero.
   24 hr trend......4 degrees warmer.
Max humidity........94-100 percent.
   24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing height.......1800-3700 ft AGL decreasing to 700-1300 ft AGL
                    after midnight.
Smoke dispersal.....Poor to fair (14800-52600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
Max temperature.....16-21.
   24 hr trend......7 degrees warmer.
Min humidity........44-50 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing height.......500-1200 ft AGL increasing to 6400-7500 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (10900 knot-ft) increasing to very good
                    (135300 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Lows near zero. Highs in the lower
20s. Southwest winds around 5 mph.
.FRIDAY...Mostly cloudy. Slight chance of snow showers. Lows
around 4. Highs in the mid 20s. Southwest winds around 10 mph.
.SATURDAY...Partly cloudy with slight chance of snow showers.
Lows around 7. Highs in the mid 20s. West winds around 10 mph.
.SUNDAY...Partly cloudy. Slight chance of snow showers. Lows
around 16. Highs in the upper 20s.
.MONDAY...Partly cloudy with slight chance of snow showers. Lows
around 14. Highs in the lower 30s.

$$

WYZ304-202315-
Southwest Carbon County-
247 AM MST Tue Feb 20 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 8 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy.
                    Slight chance of snow until 1100.
Max temperature.....12-18.
   24 hr trend......11 degrees warmer.
Min humidity........51-57 percent.
   24 hr trend......9 percent drier.
20-foot winds.......Southwest 5 to 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph increasing to west
                    around 20 mph in the afternoon.
Mixing height.......1200-1800 ft AGL increasing to 8000-9300 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (12600 knot-ft) increasing to very good
                    (149000 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....6 below-12 below zero.
   24 hr trend......4 degrees cooler.
Max humidity........100 percent.
   24 hr trend......22 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph shifting to the
                    southeast after midnight. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......2700-4700 ft AGL decreasing to 800-2200 ft AGL
                    after midnight.
Smoke dispersal.....Poor to fair (11700-46300 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy
                    until 1500, then mostly cloudy.
Max temperature.....17-25.
   24 hr trend......Unchanged.
Min humidity........41-47 percent.
   24 hr trend......9 percent drier.
20-foot winds.......South 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph increasing to southwest
                    around 20 mph in the afternoon.
Mixing height.......800-1500 ft AGL increasing to 6900-8000 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (9200 knot-ft) increasing to very good
                    (132200 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Lows around 2. Highs in the mid 20s.
South winds around 5 mph.
.FRIDAY...Mostly cloudy with slight chance of snow showers. Lows
around 6. Highs in the upper 20s. South winds around 10 mph.
.SATURDAY...Partly cloudy with slight chance of snow showers.
Lows around 4. Highs in the upper 20s. West winds around 10 mph.
.SUNDAY...Mostly cloudy with slight chance of snow showers. Lows
around 13. Highs in the lower 30s.
.MONDAY...Partly cloudy with slight chance of snow showers. Lows
around 12. Highs in the lower 30s.

$$

WYZ305-202315-
Sierra Madre Range/Medicine Bow NF-
247 AM MST Tue Feb 20 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 8 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy
                    until 1500, then mostly cloudy. Chance of snow
                    until 1700.
Max temperature.....8-13.
   24 hr trend......18 degrees cooler.
Min humidity........58-64 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.10 percent.
Transport winds.....West around 15 mph increasing to around 25 mph
                    in the afternoon.
Mixing height.......900-1600 ft AGL increasing to 7100-8600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (13300 knot-ft) increasing to excellent
                    (157200 knot-ft) in the afternoon.
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.....2 below-7 below zero.
   24 hr trend......4 degrees warmer.
Max humidity........91-97 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing height.......2700-4400 ft AGL decreasing to 1100-1900 ft AGL
                    after midnight.
Smoke dispersal.....Poor to fair (20900-57600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy
                    until 1500, then mostly cloudy. Chance of snow
                    showers after 1700.
Max temperature.....14-20.
   24 hr trend......7 degrees warmer.
Min humidity........47-53 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph increasing to around 25
                    mph in the afternoon.
Mixing height.......1000-2100 ft AGL increasing to 5600-7000 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (22300 knot-ft) increasing to very good
                    (133300 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy with chance of snow showers. Lows
around 5. Highs in the lower 20s. Southwest winds around 5 mph.
.FRIDAY...Mostly cloudy with chance of snow showers. Lows around
9. Highs in the mid 20s. Southwest winds around 5 mph.
.SATURDAY...Partly cloudy. Chance of snow showers. Lows around 7.
Highs in the mid 20s. West winds around 10 mph.
.SUNDAY...Mostly cloudy with chance of snow showers. Lows around
14. Highs in the upper 20s.
.MONDAY...Partly cloudy. Slight chance of snow showers. Lows
around 13. Highs around 30.

$$

WYZ306-202315-
Upper North Platte River Basin-
247 AM MST Tue Feb 20 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 8 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow until
                    1100.
Max temperature.....10-15.
   24 hr trend......3 degrees warmer.
Min humidity........57-63 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Southwest around 5 mph and gusty increasing to
                    west around 15 mph with higher gusts in the
                    afternoon.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph increasing to west
                    around 25 mph in the afternoon.
Mixing height.......700-1200 ft AGL increasing to 7900-8900 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (7300 knot-ft) increasing to excellent
                    (168600 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....5 below-10 below zero.
   24 hr trend......3 degrees warmer.
Max humidity........94-100 percent.
   24 hr trend......5 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......1900-3900 ft AGL decreasing to 800-1700 ft AGL
                    after midnight.
Smoke dispersal.....Poor (12100-38200 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
                    Slight chance of snow showers after 1700.
Max temperature.....18-23.
   24 hr trend......7 degrees warmer.
Min humidity........42-48 percent.
   24 hr trend......11 percent drier.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing height.......600-1100 ft AGL increasing to 7000-7600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (8000 knot-ft) increasing to very good
                    (137200 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy with slight chance of snow showers.
Lows around 3. Highs in the mid 20s. South winds around 5 mph.
.FRIDAY...Mostly cloudy with chance of snow showers. Lows around
7. Highs in the upper 20s. Southwest winds around 5 mph.
.SATURDAY...Partly cloudy with slight chance of snow showers.
Lows around 9. Highs in the upper 20s. West winds around 10 mph.
.SUNDAY...Mostly cloudy with chance of snow showers. Lows around
16. Highs around 30.
.MONDAY...Partly cloudy. Slight chance of snow showers. Lows
around 15. Highs in the lower 30s.

$$

WYZ307-202315-
Snowy Range/Medicine Bow NF-
247 AM MST Tue Feb 20 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 8 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow until
                    1700.
Max temperature.....7-12.
   24 hr trend......14 degrees cooler.
Min humidity........52-58 percent.
   24 hr trend......12 percent drier.
20-foot winds.......West 10 to 15 mph with gusts to around 35 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....West around 20 mph increasing to around 30 mph
                    in the afternoon.
Mixing height.......1000-1500 ft AGL increasing to 7100-8700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (19300 knot-ft) increasing to excellent
                    (189700 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....5 below-11 below zero.
   24 hr trend......1 degree warmer.
Max humidity........92-98 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing height.......1400-3400 ft AGL.
Smoke dispersal.....Poor to good (26500-60800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy
                    until 1500, then mostly cloudy. Chance of snow
                    showers after 1700.
Max temperature.....13-19.
   24 hr trend......6 degrees warmer.
Min humidity........43-49 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Southwest around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing height.......900-1700 ft AGL increasing to 5600-6900 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (21900 knot-ft) increasing to very good
                    (124200 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy with chance of snow showers. Lows near
zero. Highs around 20. Southwest winds around 5 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers. Lows around 5.
Highs in the lower 20s. Southwest winds around 10 mph.
.SATURDAY...Partly cloudy with chance of snow showers. Lows
around 6. Highs in the lower 20s. West winds around 10 mph.
.SUNDAY...Partly cloudy. Chance of snow showers. Lows around 13.
Highs in the mid 20s.
.MONDAY...Partly cloudy with chance of snow showers. Lows around
13. Highs in the upper 20s.

$$

WYZ308-202315-
Laramie Valley/Shirley Basin-
247 AM MST Tue Feb 20 2018

...WIND CHILL WARNING IN EFFECT UNTIL 8 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Partly cloudy.
Max temperature.....10-15.
   24 hr trend......8 degrees warmer.
Min humidity........50-56 percent.
   24 hr trend......16 percent drier.
20-foot winds.......West around 5 mph and gusty increasing to
                    around 15 mph with higher gusts in the
                    afternoon.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph increasing to around 25 mph
                    in the afternoon.
Mixing height.......600-1400 ft AGL increasing to 8700-10700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (11100 knot-ft) increasing to excellent
                    (223400 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....7 below-13 below zero.
   24 hr trend......2 degrees warmer.
Max humidity........94-100 percent.
   24 hr trend......10 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing height.......1600-3600 ft AGL decreasing to 600-1200 ft AGL
                    after midnight.
Smoke dispersal.....Poor to fair (11200-43000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
Max temperature.....17-22.
   24 hr trend......8 degrees warmer.
Min humidity........44-50 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing height.......400-900 ft AGL increasing to 6800-7700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (6800 knot-ft) increasing to very good
                    (125600 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy with slight chance of snow showers.
Lows around 1 below. Highs in the lower 20s. Southwest winds
around 5 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows around 3.
Highs in the mid 20s. Southwest winds around 5 mph.
.SATURDAY...Partly cloudy. Slight chance of snow showers. Lows
around 7. Highs in the upper 20s. West winds around 10 mph.
.SUNDAY...Partly cloudy with slight chance of snow showers. Lows
around 15. Highs in the lower 30s.
.MONDAY...Partly cloudy. Slight chance of snow showers. Lows
around 14. Highs in the lower 30s.

$$

WYZ309-202315-
South Laramie Range/Medicine Bow NF-
247 AM MST Tue Feb 20 2018

...WIND CHILL WARNING IN EFFECT UNTIL 8 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny
                    until 1200, then partly cloudy. Slight chance
                    of snow until 1100.
Max temperature.....12-17.
   24 hr trend......5 degrees warmer.
Min humidity........52-58 percent.
   24 hr trend......11 percent drier.
20-foot winds.......West 5 to 10 mph. Gusts up to 20 mph increasing
                    to 30 mph in the afternoon.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph increasing to around 25 mph
                    in the afternoon.
Mixing height.......600-1300 ft AGL increasing to 8100-10100 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (10200 knot-ft) increasing to excellent
                    (179200 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....3 below-8 below zero.
   24 hr trend......4 degrees warmer.
Max humidity........94-100 percent.
   24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing height.......3300-5300 ft AGL decreasing to 1000-2000 ft AGL
                    after midnight.
Smoke dispersal.....Poor to good (21700-68400 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
Max temperature.....19-25.
   24 hr trend......6 degrees warmer.
Min humidity........43-49 percent.
   24 hr trend......9 percent drier.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing height.......500-1700 ft AGL increasing to 6500-8500 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (13500 knot-ft) increasing to good (91400
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy with slight chance of snow showers.
Lows around 4. Highs in the mid 20s. Southwest winds around
5 mph.
.FRIDAY...Partly cloudy. Slight chance of snow showers. Lows
around 7. Highs in the upper 20s. Southwest winds around 10 mph.
.SATURDAY...Partly cloudy. Slight chance of snow showers. Lows
around 11. Highs in the lower 30s. West winds around 15 mph.
.SUNDAY...Partly cloudy. Lows around 18. Highs in the mid 30s.
.MONDAY...Partly cloudy. Lows around 16. Highs in the mid 30s.

$$

WYZ310-202315-
Platte/Goshen/Central and Eastern Laramie-
247 AM MST Tue Feb 20 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 8 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Partly cloudy.
Max temperature.....10-15.
   24 hr trend......4 degrees warmer.
Min humidity........55-61 percent.
   24 hr trend......13 percent drier.
20-foot winds.......North around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing height.......900-1900 ft AGL increasing to 4700-6700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to fair (13600-58800 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....3 below-9 below zero.
   24 hr trend......1 degree warmer.
Max humidity........100 percent.
   24 hr trend......17 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......800-2800 ft AGL.
Smoke dispersal.....Poor (10000-22100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Max temperature.....23-29.
   24 hr trend......14 degrees warmer.
Min humidity........46-52 percent.
   24 hr trend......10 percent drier.
20-foot winds.......South 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing height.......400-1100 ft AGL increasing to 6200-8200 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (6100 knot-ft) increasing to good (87100
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Lows around 5. Highs in the upper 20s.
South winds around 5 mph.
.FRIDAY...Partly cloudy. Slight chance of snow showers. Lows
around 8. Highs in the lower 30s. South winds around 5 mph.
.SATURDAY...Partly cloudy. Slight chance of snow showers. Lows
around 13. Highs in the mid 30s. West winds around 10 mph.
.SUNDAY...Partly cloudy. Lows around 19. Highs in the upper 30s.
.MONDAY...Mostly clear. Lows around 18. Highs around 40.

$$

NEZ311-202315-
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
247 AM MST Tue Feb 20 2018

.TODAY...
Sky/weather.........Partly cloudy.
Max temperature.....6-11.
   24 hr trend......2 degrees warmer.
Min humidity........59-65 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Northwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph decreasing to around 10
                    mph in the afternoon.
Mixing height.......1100-2900 ft AGL.
Smoke dispersal.....Poor (21200-27600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....8 below-14 below zero.
   24 hr trend......Unchanged.
Max humidity........100 percent.
   24 hr trend......9 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 5 to 10 mph.
Mixing height.......300-1100 ft AGL.
Smoke dispersal.....Poor (4100-4400 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Max temperature.....22-27.
   24 hr trend......17 degrees warmer.
Min humidity........48-54 percent.
   24 hr trend......6 percent drier.
20-foot winds.......South around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......400-1000 ft AGL increasing to 3600-5600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (7100 knot-ft) increasing to fair (58100
                    knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Lows around 3. Highs in the upper 20s.
South winds around 5 mph.
.FRIDAY...Partly cloudy. Lows around 3. Highs in the upper 20s.
South winds around 5 mph.
.SATURDAY...Partly cloudy. Slight chance of snow showers. Lows
around 9. Highs in the lower 30s. Winds generally less than
10 mph.
.SUNDAY...Partly cloudy. Lows around 15. Highs in the mid 30s.
.MONDAY...Partly cloudy. Lows around 15. Highs in the upper 30s.

$$

NEZ312-202315-
Box Butte/South Sioux-
247 AM MST Tue Feb 20 2018

.TODAY...
Sky/weather.........Partly cloudy.
Max temperature.....10-15.
   24 hr trend......7 degrees warmer.
Min humidity........45-51 percent.
   24 hr trend......16 percent drier.
20-foot winds.......Northwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing height.......1700-3600 ft AGL.
Smoke dispersal.....Poor (27800-32100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....5 below-10 below zero.
   24 hr trend......2 degrees cooler.
Max humidity........100 percent.
   24 hr trend......13 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Light winds becoming south around 5 mph after
                    midnight.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 5 mph increasing to around 15 mph
                    after midnight.
Mixing height.......500-1600 ft AGL.
Smoke dispersal.....Poor (4500-5400 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Max temperature.....25-30.
   24 hr trend......14 degrees warmer.
Min humidity........42-48 percent.
   24 hr trend......2 percent drier.
20-foot winds.......South 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing height.......300-900 ft AGL increasing to 4600-6400 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (5800 knot-ft) increasing to good (77800
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy with slight chance of snow showers.
Lows around 5. Highs around 30. South winds around 5 mph.
.FRIDAY...Partly cloudy. Lows around 8. Highs in the lower 30s.
South winds around 5 mph.
.SATURDAY...Partly cloudy. Chance of snow showers. Lows around
13. Highs in the mid 30s. Winds generally less than 10 mph.
.SUNDAY...Partly cloudy. Lows around 17. Highs in the upper 30s.
.MONDAY...Mostly clear. Lows around 17. Highs in the lower 40s.

$$

NEZ313-202315-
Scotts Bluff National Monument/Wildcat Hills-
247 AM MST Tue Feb 20 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MST EARLY THIS
MORNING...

.TODAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy.
Max temperature.....13-18.
   24 hr trend......4 degrees warmer.
Min humidity........52-58 percent.
   24 hr trend......19 percent drier.
20-foot winds.......Northwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing height.......1800-3800 ft AGL.
Smoke dispersal.....Poor (27800-29800 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....1 below-6 below zero.
   24 hr trend......1 degree cooler.
Max humidity........100 percent.
   24 hr trend......13 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing height.......500-2300 ft AGL.
Smoke dispersal.....Poor (11500-12100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Max temperature.....25-30.
   24 hr trend......12 degrees warmer.
Min humidity........47-53 percent.
   24 hr trend......4 percent drier.
20-foot winds.......South 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing height.......400-1000 ft AGL increasing to 3800-5600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (7600 knot-ft) increasing to good (70900
                    knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy with slight chance of snow showers.
Lows around 8. Highs in the upper 20s. Southeast winds around
5 mph.
.FRIDAY...Partly cloudy. Slight chance of snow showers. Lows
around 12. Highs in the lower 30s. South winds around 5 mph.
.SATURDAY...Partly cloudy. Chance of snow showers. Lows around
16. Highs in the upper 30s. West winds around 10 mph.
.SUNDAY...Partly cloudy. Lows around 18. Highs in the lower 40s.
.MONDAY...Mostly clear. Lows around 18. Highs in the lower 40s.

$$


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