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

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300
FNUS55 KCYS 210940
FWFCYS

Fire Weather Planning Forecast for Southeast Wyoming/Western Nebraska
National Weather Service Cheyenne WY
240 AM MST Wed Feb 21 2018

.DISCUSSION...

Minimal fire weather concerns over the next several days with cold
temperatures, light winds and a widespread snowpack. Next chance
for snow looking like Thursday into Friday as a low pressure
system tracks across Colorado.


WYZ301-212315-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
240 AM MST Wed Feb 21 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM MST THIS MORNING...

.TODAY...
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......17 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 4400-6400 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (6800 knot-ft) increasing to good (70000
                    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.....2 below to 3 above zero.
   24 hr trend......14 degrees warmer.
Max humidity........92-98 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.......200-2200 ft AGL.
Smoke dispersal.....Poor (4300-14600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...
Sky/weather.........Partly cloudy until 0900, then mostly cloudy
                    until 1200, then partly cloudy.
Max temperature.....23-28.
   24 hr trend......2 degrees warmer.
Min humidity........52-58 percent.
   24 hr trend......12 percent wetter.
20-foot winds.......Southwest around 5 mph shifting to the north in
                    the afternoon.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 5 mph shifting to the north in the
                    afternoon.
Mixing height.......200-700 ft AGL increasing to 2100-3500 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (1500-7700 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.FRIDAY...Mostly cloudy with slight chance of snow. Lows near
zero. Highs in the mid 20s. Southwest winds around 5 mph.
.SATURDAY...Partly cloudy. Lows around 6. Highs in the upper 20s.
West winds around 10 mph.
.SUNDAY...Partly cloudy. Lows around 13. Highs in the lower 30s.
West winds around 10 mph.
.MONDAY...Partly cloudy. Lows around 13. Highs in the mid 30s.
.TUESDAY...Partly cloudy with slight chance of snow showers. Lows
around 16. Highs in the lower 30s.

$$

WYZ302-212315-
North Laramie Range/Medicine Bow NF-
240 AM MST Wed Feb 21 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
Max temperature.....15-21.
   24 hr trend......7 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 15 to 20 mph.
Mixing height.......1300-2300 ft AGL increasing to 5600-7200 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (29700 knot-ft) increasing to good (94900
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of snow after
                    0500.
Min temperature.....1-6.
   24 hr trend......12 degrees warmer.
Max humidity........81-87 percent.
   24 hr trend......3 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 5 to 10 mph.
Mixing height.......1400-3400 ft AGL.
Smoke dispersal.....Poor (17300-27200 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...
Sky/weather.........Mostly cloudy. Slight chance of snow.
Max temperature.....20-25.
   24 hr trend......5 degrees warmer.
Min humidity........49-55 percent.
   24 hr trend......8 percent wetter.
20-foot winds.......West around 5 mph shifting to the northwest in
                    the afternoon.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 5 mph shifting to the west in the
                    afternoon.
Mixing height.......900-2300 ft AGL increasing to 3500-5500 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (5800-27700 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.FRIDAY...Mostly cloudy with slight chance of snow. Lows around
4. Highs in the mid 20s. Southwest winds around 5 mph.
.SATURDAY...Partly cloudy. Slight chance of snow showers. Lows
around 7. Highs in the lower 20s. West winds around 15 mph.
.SUNDAY...Partly cloudy with slight chance of snow showers. Lows
around 12. Highs in the mid 20s. West winds around 15 mph.
.MONDAY...Partly cloudy. Lows around 14. Highs in the lower 30s.
.TUESDAY...Partly cloudy with chance of snow showers. Lows around
16. Highs in the lower 30s.

$$

WYZ303-212315-
Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains-
240 AM MST Wed Feb 21 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
Max temperature.....16-21.
   24 hr trend......4 degrees warmer.
Min humidity........42-48 percent.
   24 hr trend......11 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.......800-1800 ft AGL increasing to 5400-6700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (15800 knot-ft) increasing to good (95500
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of snow after
                    0500.
Min temperature.....1 below to 4 above zero.
   24 hr trend......7 degrees warmer.
Max humidity........86-92 percent.
   24 hr trend......9 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 5 to 10 mph.
Mixing height.......2500-4500 ft AGL decreasing to 900-2400 ft AGL
                    after midnight.
Smoke dispersal.....Poor (11700-34300 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...
Sky/weather.........Mostly cloudy. Slight chance of snow.
Max temperature.....21-26.
   24 hr trend......5 degrees warmer.
Min humidity........49-55 percent.
   24 hr trend......8 percent wetter.
20-foot winds.......South around 5 mph shifting to the west in the
                    afternoon. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....South around 5 mph increasing to southwest
                    around 15 mph in the afternoon.
Mixing height.......600-2000 ft AGL increasing to 5600-7600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (7100 knot-ft) increasing to good (83600
                    knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.FRIDAY...Mostly cloudy with chance of snow. Lows around 3. Highs
in the mid 20s. South winds around 5 mph.
.SATURDAY...Partly cloudy. Lows around 5. Highs in the lower 20s.
West winds around 15 mph.
.SUNDAY...Partly cloudy. Slight chance of snow showers. Lows
around 11. Highs in the mid 20s. West winds around 15 mph.
.MONDAY...Partly cloudy. Lows around 14. Highs in the lower 30s.
.TUESDAY...Partly cloudy with chance of snow showers. Lows around
16. Highs in the lower 30s.

$$

WYZ304-212315-
Southwest Carbon County-
240 AM MST Wed Feb 21 2018

.TODAY...
Sky/weather.........Partly cloudy until 1500, then mostly cloudy.
Max temperature.....17-25.
   24 hr trend......5 degrees warmer.
Min humidity........37-43 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.....Southwest around 15 mph.
Mixing height.......2000-3100 ft AGL increasing to 5800-6900 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (30200 knot-ft) increasing to good (86900
                    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 after 0500. Slight
                    chance of snow after 0500.
Min temperature.....1-6.
   24 hr trend......11 degrees warmer.
Max humidity........90-96 percent.
   24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southeast around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 5 to 10 mph.
Mixing height.......1400-3400 ft AGL.
Smoke dispersal.....Poor (11800-18200 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...
Sky/weather.........Mostly cloudy. Slight chance of snow.
Max temperature.....22-30.
   24 hr trend......5 degrees warmer.
Min humidity........45-51 percent.
   24 hr trend......12 percent wetter.
20-foot winds.......South 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....South around 10 mph increasing to southwest
                    around 20 mph in the afternoon.
Mixing height.......2100-2600 ft AGL increasing to 7400-9300 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (19900 knot-ft) increasing to very good
                    (145300 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.FRIDAY...Cloudy with chance of snow. Lows around 6. Highs in the
upper 20s. South winds around 10 mph.
.SATURDAY...Partly cloudy with slight chance of snow showers.
Lows near zero. Highs in the mid 20s. West winds around 10 mph.
.SUNDAY...Mostly cloudy. Lows around 9. Highs in the upper 20s.
Southwest winds around 10 mph.
.MONDAY...Partly cloudy. Lows around 11. Highs in the lower 30s.
.TUESDAY...Partly cloudy with slight chance of snow showers. Lows
around 16. Highs in the mid 30s.

$$

WYZ305-212315-
Sierra Madre Range/Medicine Bow NF-
240 AM MST Wed Feb 21 2018

.TODAY...
Sky/weather.........Mostly sunny until 0900, then partly cloudy
                    until 1500, then mostly cloudy. Chance of snow
                    showers after 1700.
Max temperature.....15-21.
   24 hr trend......4 degrees warmer.
Min humidity........45-51 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 around 20 mph.
Mixing height.......1600-2900 ft AGL increasing to 4800-6200 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (37600 knot-ft) increasing to good (94000
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of snow showers until
                    0500, then chance of snow. Patchy fog after
                    0500.
Min temperature.....5-10.
   24 hr trend......13 degrees warmer.
Max humidity........84-90 percent.
   24 hr trend......13 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph.
LAL.................1.
Chc of wetting rain.10 percent.
Transport winds.....South around 10 mph.
Mixing height.......1200-2200 ft AGL.
Smoke dispersal.....Poor (11500 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...
Sky/weather.........Mostly cloudy. Chance of snow.
Max temperature.....19-27.
   24 hr trend......7 degrees warmer.
Min humidity........55-61 percent.
   24 hr trend......18 percent wetter.
20-foot winds.......Southwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.15 percent.
Transport winds.....Southwest around 15 mph increasing to around 25
                    mph in the afternoon.
Mixing height.......1200-2300 ft AGL increasing to 7100-8800 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (18600 knot-ft) increasing to excellent
                    (172000 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.FRIDAY...Cloudy with chance of snow. Lows around 9. Highs in the
lower 20s. Southwest winds around 5 mph.
.SATURDAY...Partly cloudy with slight chance of snow showers.
Lows around 4. Highs in the lower 20s. West winds around 10 mph.
.SUNDAY...Mostly cloudy with slight chance of snow showers. Lows
around 10. Highs in the mid 20s. West winds around 10 mph.
.MONDAY...Partly cloudy. Lows around 11. Highs in the upper 20s.
.TUESDAY...Partly cloudy with slight chance of snow showers. Lows
around 17. Highs in the lower 30s.

$$

WYZ306-212315-
Upper North Platte River Basin-
240 AM MST Wed Feb 21 2018

.TODAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy
                    until 1500, then mostly cloudy. Slight chance
                    of snow showers after 1700.
Max temperature.....19-24.
   24 hr trend......6 degrees warmer.
Min humidity........41-47 percent.
   24 hr trend......14 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.......800-1800 ft AGL increasing to 6000-6700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (13300 knot-ft) increasing to good (95500
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of snow showers
                    until 0500. chance of snow after 0500.
Min temperature.....3-8.
   24 hr trend......10 degrees warmer.
Max humidity........87-93 percent.
   24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....South around 5 mph.
Mixing height.......900-1900 ft AGL.
Smoke dispersal.....Poor (8000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...
Sky/weather.........Mostly cloudy. Chance of snow until 1700.
                    slight chance of snow after 1700.
Max temperature.....24-29.
   24 hr trend......6 degrees warmer.
Min humidity........47-53 percent.
   24 hr trend......11 percent wetter.
20-foot winds.......South around 5 mph shifting to the west in the
                    afternoon. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....South around 10 mph increasing to southwest
                    around 20 mph in the afternoon.
Mixing height.......800-1800 ft AGL increasing to 8000-9100 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (8800 knot-ft) increasing to excellent
                    (154500 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.FRIDAY...Mostly cloudy with chance of snow. 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 lower 20s. West winds around 15 mph.
.SUNDAY...Mostly cloudy. Slight chance of snow showers. Lows
around 11. Highs in the mid 20s. West winds around 10 mph.
.MONDAY...Partly cloudy. Lows around 13. Highs in the lower 30s.
.TUESDAY...Partly cloudy with slight chance of snow showers. Lows
around 18. Highs in the mid 30s.

$$

WYZ307-212315-
Snowy Range/Medicine Bow NF-
240 AM MST Wed Feb 21 2018

.TODAY...
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......2 degrees warmer.
Min humidity........40-46 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Southwest around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 25 mph decreasing to around 15
                    mph in the afternoon.
Mixing height.......1300-2700 ft AGL increasing to 4900-6200 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to good (39700-88000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of snow showers until
                    0500, then chance of snow.
Min temperature.....Zero to 5 above zero.
   24 hr trend......19 degrees warmer.
Max humidity........91-97 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph.
LAL.................1.
Chc of wetting rain.10 percent.
Transport winds.....South 5 to 10 mph.
Mixing height.......1100-2700 ft AGL.
Smoke dispersal.....Poor (9400-16800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...
Sky/weather.........Mostly cloudy. Chance of snow.
Max temperature.....17-25.
   24 hr trend......7 degrees warmer.
Min humidity........54-60 percent.
   24 hr trend......19 percent wetter.
20-foot winds.......Southwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.15 percent.
Transport winds.....Southwest around 10 mph increasing to around 20
                    mph in the afternoon.
Mixing height.......1100-1700 ft AGL increasing to 6900-8500 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (12700 knot-ft) increasing to very good
                    (143700 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.FRIDAY...Mostly cloudy with chance of snow. Lows around 5. Highs
in the lower 20s. Southwest winds around 10 mph.
.SATURDAY...Partly cloudy with chance of snow showers. Lows
around 2. Highs around 19. West winds around 15 mph.
.SUNDAY...Partly cloudy. Chance of snow showers. Lows around 8.
Highs in the lower 20s. West winds around 15 mph.
.MONDAY...Partly cloudy. Lows around 10. Highs in the upper 20s.
.TUESDAY...Partly cloudy with chance of snow showers. Lows around
15. Highs in the lower 30s.

$$

WYZ308-212315-
Laramie Valley/Shirley Basin-
240 AM MST Wed Feb 21 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy
                    until 1500, then mostly cloudy.
Max temperature.....17-22.
   24 hr trend......9 degrees warmer.
Min humidity........41-47 percent.
   24 hr trend......4 percent drier.
20-foot winds.......Southwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing height.......600-1900 ft AGL increasing to 6200-6900 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (14800 knot-ft) increasing to good (89300
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of snow after 0500.
Min temperature.....2 below to 3 above zero.
   24 hr trend......9 degrees warmer.
Max humidity........94-100 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 5 to 10 mph.
Mixing height.......600-2600 ft AGL.
Smoke dispersal.....Poor (3900-13400 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...
Sky/weather.........Mostly cloudy. Chance of snow.
Max temperature.....22-27.
   24 hr trend......1 degree warmer.
Min humidity........49-55 percent.
   24 hr trend......6 percent wetter.
20-foot winds.......South around 5 mph shifting to the northwest in
                    the afternoon. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....South around 5 mph shifting to the west in the
                    afternoon.
Mixing height.......300-1200 ft AGL increasing to 6300-8300 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (3200 knot-ft) increasing to good (81700
                    knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.FRIDAY...Mostly cloudy with chance of snow. Lows around 4. Highs
in the upper 20s. South winds around 5 mph.
.SATURDAY...Partly cloudy with slight chance of snow showers.
Lows around 5. Highs in the lower 20s. West winds around 15 mph.
.SUNDAY...Partly cloudy with slight chance of snow showers. Lows
around 10. Highs in the mid 20s. West winds around 10 mph.
.MONDAY...Partly cloudy. Lows around 13. Highs in the lower 30s.
.TUESDAY...Partly cloudy with chance of snow showers. Lows around
15. Highs in the mid 30s.

$$

WYZ309-212315-
South Laramie Range/Medicine Bow NF-
240 AM MST Wed Feb 21 2018

.TODAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
Max temperature.....19-25.
   24 hr trend......6 degrees warmer.
Min humidity........44-50 percent.
   24 hr trend......8 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.......700-2500 ft AGL increasing to 5600-7600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (19700 knot-ft) increasing to good (78800
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of snow after 0500.
Min temperature.....1-6.
   24 hr trend......9 degrees warmer.
Max humidity........94-100 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 5 to 10 mph.
Mixing height.......500-1800 ft AGL.
Smoke dispersal.....Poor (4200-11700 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...
Sky/weather.........Mostly cloudy. Chance of snow.
Max temperature.....23-28.
   24 hr trend......7 degrees warmer.
Min humidity........53-59 percent.
   24 hr trend......8 percent wetter.
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.5 percent.
Transport winds.....Northwest 5 to 10 mph.
Mixing height.......500-1300 ft AGL increasing to 3700-5700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (3500-34400 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.FRIDAY...Mostly cloudy with chance of snow. Lows around 9. Highs
in the upper 20s. Southwest winds around 5 mph.
.SATURDAY...Partly cloudy. Slight chance of snow showers. Lows
around 9. Highs in the upper 20s. West winds around 20 mph.
.SUNDAY...Partly cloudy. Lows around 14. Highs around 30. West
winds around 15 mph.
.MONDAY...Partly cloudy. Lows around 16. Highs in the mid 30s.
.TUESDAY...Partly cloudy with chance of snow showers. Lows around
18. Highs in the upper 30s.

$$

WYZ310-212315-
Platte/Goshen/Central and Eastern Laramie-
240 AM MST Wed Feb 21 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
Max temperature.....22-28.
   24 hr trend......10 degrees warmer.
Min humidity........47-53 percent.
   24 hr trend......11 percent drier.
20-foot winds.......South 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph increasing to around 20 mph
                    in the afternoon.
Mixing height.......300-900 ft AGL increasing to 4900-6900 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (4800 knot-ft) increasing to good (82500
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy until 2100, then mostly cloudy.
Min temperature.....1-6.
   24 hr trend......13 degrees warmer.
Max humidity........94-100 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 10 to 15 mph.
Mixing height.......300-1400 ft AGL.
Smoke dispersal.....Poor (5100-13200 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...
Sky/weather.........Mostly cloudy.
Max temperature.....24-29.
   24 hr trend......2 degrees warmer.
Min humidity........57-63 percent.
   24 hr trend......13 percent wetter.
20-foot winds.......Southeast around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 5 mph shifting to the northeast in
                    the afternoon.
Mixing height.......600-2600 ft AGL.
Smoke dispersal.....Poor (3100-6500 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

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

$$

NEZ311-212315-
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
240 AM MST Wed Feb 21 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Max temperature.....23-28.
   24 hr trend......17 degrees warmer.
Min humidity........47-53 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.....Southwest around 10 mph increasing to south
                    around 20 mph in the afternoon.
Mixing height.......300-800 ft AGL increasing to 3100-4500 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (4000 knot-ft) increasing to good (67800
                    knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy until 2400, then mostly cloudy.
                    Slight chance of snow after 0500.
Min temperature.....1-6.
   24 hr trend......18 degrees warmer.
Max humidity........100 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......South around 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing height.......300-900 ft AGL.
Smoke dispersal.....Poor (8800-10900 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...
Sky/weather.........Mostly cloudy. Slight chance of snow until
                    1700.
Max temperature.....23-28.
   24 hr trend......2 degrees cooler.
Min humidity........61-67 percent.
   24 hr trend......18 percent wetter.
20-foot winds.......South around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 5 to 10 mph.
Mixing height.......700-2700 ft AGL.
Smoke dispersal.....Poor (7500-9600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

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

$$

NEZ312-212315-
Box Butte/South Sioux-
240 AM MST Wed Feb 21 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Max temperature.....26-31.
   24 hr trend......16 degrees warmer.
Min humidity........42-48 percent.
   24 hr trend......8 percent drier.
20-foot winds.......South 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph increasing to around 25 mph
                    in the afternoon.
Mixing height.......300-800 ft AGL increasing to 3900-5900 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (4300 knot-ft) increasing to very good
                    (103200 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy until 2400, then mostly cloudy.
                    Slight chance of snow after 0500.
Min temperature.....2-7.
   24 hr trend......18 degrees warmer.
Max humidity........94-100 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 15 to 20 mph.
Mixing height.......300-1000 ft AGL.
Smoke dispersal.....Poor (10000-10300 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...
Sky/weather.........Mostly cloudy. Slight chance of snow until
                    1700.
Max temperature.....24-29.
   24 hr trend......2 degrees cooler.
Min humidity........61-67 percent.
   24 hr trend......22 percent wetter.
20-foot winds.......South around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....South 5 to 10 mph.
Mixing height.......800-2800 ft AGL.
Smoke dispersal.....Poor (10900-13100 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.FRIDAY...Mostly cloudy with slight chance of snow. Lows around
5. Highs around 30. South winds around 5 mph.
.SATURDAY...Partly cloudy. Chance of snow showers. Lows around
13. Highs in the lower 30s. West winds around 10 mph.
.SUNDAY...Partly cloudy. Lows around 15. Highs in the mid 30s.
West winds around 10 mph.
.MONDAY...Partly cloudy. Lows around 16. Highs in the lower 40s.
.TUESDAY...Partly cloudy with chance of snow showers. Lows around
19. Highs in the lower 40s.

$$

NEZ313-212315-
Scotts Bluff National Monument/Wildcat Hills-
240 AM MST Wed Feb 21 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM MST THIS MORNING...

.TODAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Max temperature.....26-31.
   24 hr trend......16 degrees warmer.
Min humidity........47-53 percent.
   24 hr trend......11 percent drier.
20-foot winds.......South 5 to 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph increasing to around 25 mph
                    in the afternoon.
Mixing height.......200-700 ft AGL increasing to 3300-4700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (5200 knot-ft) increasing to good (92400
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy until 2400, then mostly cloudy.
                    Slight chance of snow after 0500.
Min temperature.....2-7.
   24 hr trend......14 degrees warmer.
Max humidity........100 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Southeast 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing height.......400-1200 ft AGL.
Smoke dispersal.....Poor (10800-12100 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...
Sky/weather.........Mostly cloudy. Slight chance of snow.
Max temperature.....24-29.
   24 hr trend......1 degree cooler.
Min humidity........66-72 percent.
   24 hr trend......22 percent wetter.
20-foot winds.......Southeast around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....South 5 to 10 mph.
Mixing height.......900-2900 ft AGL.
Smoke dispersal.....Poor (12400-14600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.FRIDAY...Mostly cloudy with chance of snow. Lows around 9. Highs
in the lower 30s. South winds around 5 mph.
.SATURDAY...Partly cloudy. Chance of snow showers. Lows around
15. Highs in the mid 30s. West winds around 10 mph.
.SUNDAY...Partly cloudy. Lows around 16. Highs in the upper 30s.
West winds around 10 mph.
.MONDAY...Partly cloudy. Lows around 17. Highs in the lower 40s.
.TUESDAY...Partly cloudy. Slight chance of snow showers. Lows
around 19. Highs in the mid 40s.

$$



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