National Weather Service Text Product Display

Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Cheyenne, WY
Versions: 1 2 3 4 5 6 7 8 9 10 11
000
FNUS55 KCYS 232032
FWFCYS

Fire Weather Planning Forecast for Southeast Wyoming/Western Nebraska
National Weather Service Cheyenne WY
232 PM MDT Fri Oct 23 2020

.DISCUSSION...

Milder conditions will occur over most districts early Saturday
before a strong cold front sweeps south during the afternoon. Much
colder air will move into the area late Saturday and with an
approaching disturbance snow is expected to spread over the area
Saturday night and continue through Sunday. Widespread accumulating
snow is expected before the snow ends early Monday. Very cold
temperatures will be over the districts Sunday and Monday then
milder and dry weather will return by midweek.

WYZ301-241030-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
232 PM MDT Fri Oct 23 2020

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SATURDAY TO 6 PM
MDT SUNDAY...

.Tonight...
Sky/weather.........Partly cloudy until 2100, then mostly cloudy.
Min temperature.....19-24.
   24 hr trend......8 degrees warmer.
Max humidity........75-81 percent.
   24 hr trend......12 percent drier.
Humidity recovery...Good.
20-foot winds.......Southeast around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 20 mph.
Mixing height.......400-1200 ft AGL.
Smoke dispersal.....Poor (9300-16800 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Cloudy. Chance of snow showers after 0900 until
                    1200, then rain until 1600. Snow after 1200.
                    Snow accumulation up to 1 inch.
Max temperature.....35-41.
   24 hr trend......5 degrees warmer.
Min humidity........59-65 percent.
   24 hr trend......13 percent wetter.
20-foot winds.......East around 10 mph shifting to the north with
                    higher gusts in the afternoon.
LAL.................1.
Chc of wetting rain.45 percent.
Transport winds.....West around 15 mph shifting to the north in the
                    afternoon.
Mixing height.......600-2600 ft AGL.
Smoke dispersal.....Poor (7400-20900 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Cloudy. Snow. Snow accumulation of 2 to 3
                    inches.
Min temperature.....7-12.
   24 hr trend......12 degrees cooler.
Max humidity........94-100 percent.
   24 hr trend......12 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North 10 to 15 mph. Gusts up to 30 mph
                    decreasing to 20 mph after midnight.
LAL.................1.
Chc of wetting rain.90 percent.
Transport winds.....North around 20 mph.
Mixing height.......2400-3800 ft AGL.
Smoke dispersal.....Fair to good (49600-63600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Cloudy. Very light snow until 1200, then chance
                    of very light snow. Snow accumulation up to 2
                    inches.
Max temperature.....12-17.
   24 hr trend......23 degrees cooler.
Min humidity........66-72 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......North around 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.40 percent.
Transport winds.....North around 20 mph.
Mixing height.......3500-5500 ft AGL.
Smoke dispersal.....Good (69000-83600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Chance of snow. Lows around 3 below.
Highs in the lower 20s. West winds around 5 mph.
.TUESDAY...Not as cool. Mostly clear. Lows around 7. Highs in the
upper 30s. West winds around 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 20s. Highs in the mid
40s. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 20s. Highs in the mid
40s.
.FRIDAY...Mostly clear. Lows in the upper 20s. Highs in the lower
50s.

$$

WYZ302-241030-
North Laramie Range/Medicine Bow NF-
232 PM MDT Fri Oct 23 2020

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SATURDAY TO 6 PM
MDT SUNDAY...

.Tonight...
Sky/weather.........Partly cloudy until 0300, then mostly cloudy.
Min temperature.....21-26.
   24 hr trend......12 degrees warmer.
Max humidity........49-55 percent.
   24 hr trend......45 percent drier.
Humidity recovery...Poor.
20-foot winds.......Southwest around 10 mph and gusty increasing to
                    around 20 mph with gusts to around 45 mph after
                    midnight.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph increasing to west
                    around 40 mph after midnight.
Mixing height.......500-1100 ft AGL.
Smoke dispersal.....Poor (14100-24000 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of showers and snow
                    showers until 1200, then rain and snow. Snow
                    accumulation up to 2 inches.
Max temperature.....41-47.
   24 hr trend......18 degrees warmer.
Min humidity........32-38 percent.
   24 hr trend......10 percent drier.
20-foot winds.......Breezy. West 20 to 25 mph with gusts to around
                    50 mph.
LAL.................1.
Chc of wetting rain.40 percent.
Transport winds.....West around 50 mph decreasing to around 35 mph
                    in the afternoon.
Mixing height.......1600-3600 ft AGL.
Smoke dispersal.....Good (78500-89800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Cloudy. Rain until 1900. Snow. Snow
                    accumulation of 2 to 4 inches.
Min temperature.....2-8.
   24 hr trend......18 degrees cooler.
Max humidity........89-95 percent.
   24 hr trend......36 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North around 15 mph and gusty.
LAL.................1.
Chc of wetting rain.95 percent.
Transport winds.....North 20 to 25 mph.
Mixing height.......1600-3500 ft AGL.
Smoke dispersal.....Poor to fair (35100-53900 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Cloudy. Very light snow until 1200, then chance
                    of very light snow. Snow accumulation of 1 to 2
                    inches.
Max temperature.....5-11.
   24 hr trend......40 degrees cooler.
Min humidity........61-67 percent.
   24 hr trend......36 percent wetter.
20-foot winds.......North around 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.55 percent.
Transport winds.....Northeast 20 to 25 mph.
Mixing height.......2600-4600 ft AGL.
Smoke dispersal.....Good (61500-69500 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Chance of snow. Lows around 4 below.
Highs around 17. West winds around 5 mph.
.TUESDAY...Not as cold. Mostly clear. Lows around 6. Highs in the
lower 30s. West winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the mid 20s. Highs in the
lower 40s. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 20s. Highs in the
lower 40s.
.FRIDAY...Mostly clear. Lows in the lower 30s. Highs in the upper
40s.

$$

WYZ303-241030-
Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains-
232 PM MDT Fri Oct 23 2020

...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 6 PM MDT
SATURDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT SATURDAY NIGHT
TO 6 AM MDT MONDAY...

.Tonight...
Sky/weather.........Partly cloudy until 2400, then mostly cloudy.
Min temperature.....26-31.
   24 hr trend......19 degrees warmer.
Max humidity........36-42 percent.
   24 hr trend......57 percent drier.
Humidity recovery...Poor.
20-foot winds.......Southwest 15 to 20 mph. Gusts up to 40 mph
                    increasing to 50 mph after midnight.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 25 mph increasing to around 35
                    mph after midnight.
Mixing height.......600-1200 ft AGL.
Smoke dispersal.....Poor (21100-22500 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain after 1200. Snow
                    after 1700. Snow accumulation up to 1 inch.
Max temperature.....44-49.
   24 hr trend......12 degrees warmer.
Min humidity........29-35 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Breezy. West around 25 mph with gusts to around
                    55 mph.
LAL.................1.
Chc of wetting rain.20 percent.
Transport winds.....West 35 to 40 mph.
Mixing height.......1000-2000 ft AGL increasing to 3000-5000 ft AGL
                    in the afternoon.
Smoke dispersal.....Fair (50000 knot-ft) increasing to very good
                    (139300 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Cloudy. Rain until 2000. Snow. Snow
                    accumulation of 1 to 4 inches.
Min temperature.....3-8.
   24 hr trend......24 degrees cooler.
Max humidity........84-90 percent.
   24 hr trend......48 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North around 15 mph with gusts to around 35
                    mph.
LAL.................1.
Chc of wetting rain.90 percent.
Transport winds.....North around 25 mph.
Mixing height.......1500-3100 ft AGL.
Smoke dispersal.....Poor to fair (31900-55700 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Cloudy. Very light snow until 1200, then chance
                    of very light snow. Snow accumulation up to 3
                    inches.
Max temperature.....8-13.
   24 hr trend......37 degrees cooler.
Min humidity........62-68 percent.
   24 hr trend......28 percent wetter.
20-foot winds.......Northeast around 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.50 percent.
Transport winds.....Northeast around 25 mph.
Mixing height.......2700-4700 ft AGL.
Smoke dispersal.....Good (68500-95200 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Chance of snow. Lows around 4 below.
Highs around 18. Northeast winds around 10 mph.
.TUESDAY...Not as cold. Mostly clear. Lows around 4. Highs in the
mid 30s. Southwest winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 20s. Highs in the
lower 40s. Southwest winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 20s. Highs in the mid
40s.
.FRIDAY...Mostly clear. Lows in the upper 20s. Highs in the upper
40s.

$$

WYZ304-241030-
Southwest Carbon County-
232 PM MDT Fri Oct 23 2020

.Tonight...
Sky/weather.........Partly cloudy until 0300, then mostly cloudy.
Min temperature.....24-29.
   24 hr trend......15 degrees warmer.
Max humidity........42-48 percent.
   24 hr trend......40 percent drier.
Humidity recovery...Poor.
20-foot winds.......South around 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing height.......400-1300 ft AGL.
Smoke dispersal.....Poor (11000-15800 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY...
Sky/weather.........Cloudy. Chance of rain after 1200.
Max temperature.....47-53.
   24 hr trend......10 degrees warmer.
Min humidity........24-30 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Southwest 15 to 20 mph with gusts to around 35
                    mph.
LAL.................1.
Chc of wetting rain.10 percent.
Transport winds.....Southwest around 20 mph increasing to around 35
                    mph in the afternoon.
Mixing height.......700-1200 ft AGL increasing to 5300-7000 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (17300 knot-ft) increasing to excellent
                    (170000 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Cloudy. Rain until 2200. Snow after 2000. Rain
                    likely after 2200 until 2400. Snow accumulation
                    up to 1 inch.
Min temperature.....7-12.
   24 hr trend......16 degrees cooler.
Max humidity........82-88 percent.
   24 hr trend......56 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North around 15 mph and gusty.
LAL.................1.
Chc of wetting rain.70 percent.
Transport winds.....Northwest around 20 mph shifting to the
                    northeast after midnight.
Mixing height.......1400-2200 ft AGL.
Smoke dispersal.....Poor to fair (25100-43800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Cloudy. Snow until 1200, then very light snow
                    likely. Snow accumulation of 1 to 2 inches.
Max temperature.....13-21.
   24 hr trend......29 degrees cooler.
Min humidity........55-61 percent.
   24 hr trend......33 percent wetter.
20-foot winds.......Northeast 15 to 20 mph with higher gusts.
LAL.................1.
Chc of wetting rain.50 percent.
Transport winds.....Northeast 30 to 35 mph.
Mixing height.......2200-4200 ft AGL.
Smoke dispersal.....Good to very good (65300-115100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with chance of snow. Lows around 2 below.
Highs in the lower 20s. Northeast winds around 10 mph.
.TUESDAY...Not as cool. Mostly clear. Lows around 4. Highs in the
upper 30s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly clear. Lows around 17. Highs in the mid 40s.
Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 20s. Highs around 50.
.FRIDAY...Mostly clear. Lows in the mid 20s. Highs in the lower
50s.

$$

WYZ305-241030-
Sierra Madre Range/Medicine Bow NF-
232 PM MDT Fri Oct 23 2020

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

.Tonight...
Sky/weather.........Partly cloudy until 0300, then mostly cloudy.
Min temperature.....26-32.
   24 hr trend......11 degrees warmer.
Max humidity........43-49 percent.
   24 hr trend......31 percent drier.
Humidity recovery...Poor.
20-foot winds.......Southwest 10 to 15 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 25 to 30 mph.
Mixing height.......500-1200 ft AGL.
Smoke dispersal.....Poor (19200 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Mostly cloudy. Slight chance of rain after
                    1200.
Max temperature.....45-51.
   24 hr trend......7 degrees warmer.
Min humidity........29-35 percent.
   24 hr trend......12 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 west
                    around 45 mph in the afternoon.
Mixing height.......1300-2300 ft AGL increasing to 5100-6500 ft AGL
                    in the afternoon.
Smoke dispersal.....Fair (55700 knot-ft) increasing to excellent
                    (227600 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Cloudy. Rain until 2300. Snow after 2100. Rain
                    likely after 2300 until 2400. Snow accumulation
                    of 1 to 3 inches.
Min temperature.....6-12.
   24 hr trend......17 degrees cooler.
Max humidity........94-100 percent.
   24 hr trend......54 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North 10 to 15 mph. Gusts up to 35 mph
                    decreasing to 25 mph after midnight.
LAL.................1.
Chc of wetting rain.75 percent.
Transport winds.....West around 25 mph becoming northeast around 15
                    mph after midnight.
Mixing height.......800-1900 ft AGL.
Smoke dispersal.....Poor (15400-24000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Cloudy. Snow. Snow accumulation of 2 to 6
                    inches.
Max temperature.....10-18.
   24 hr trend......31 degrees cooler.
Min humidity........50-56 percent.
   24 hr trend......12 percent wetter.
20-foot winds.......Northeast 10 to 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.75 percent.
Transport winds.....Northeast 20 to 25 mph.
Mixing height.......1400-3400 ft AGL.
Smoke dispersal.....Poor to good (28700-63900 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Chance of snow. Lows around 2 below.
Highs around 19. Northeast winds around 10 mph.
.TUESDAY...Not as cold. Mostly clear. Lows around 4. Highs in the
mid 30s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly clear. Lows around 20. Highs in the lower
40s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 20s. Highs in the mid
40s.
.FRIDAY...Mostly clear. Lows in the upper 20s. Highs in the upper
40s.

$$

WYZ306-241030-
Upper North Platte River Basin-
232 PM MDT Fri Oct 23 2020

.Tonight...
Sky/weather.........Partly cloudy until 0300, then mostly cloudy.
Min temperature.....28-33.
   24 hr trend......21 degrees warmer.
Max humidity........39-45 percent.
   24 hr trend......55 percent drier.
Humidity recovery...Poor.
20-foot winds.......Southwest 10 to 15 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing height.......700-1300 ft AGL.
Smoke dispersal.....Poor (15500-18700 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY...
Sky/weather.........Cloudy. Slight chance of rain after 1200.
Max temperature.....46-51.
   24 hr trend......8 degrees warmer.
Min humidity........31-37 percent.
   24 hr trend......12 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 30 mph increasing to west
                    around 40 mph in the afternoon.
Mixing height.......1300-1900 ft AGL increasing to 4900-6000 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (38400 knot-ft) increasing to excellent
                    (192300 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Cloudy. Rain until 2300. Snow after 2000. Snow
                    accumulation of 2 to 3 inches.
Min temperature.....7-12.
   24 hr trend......23 degrees cooler.
Max humidity........94-100 percent.
   24 hr trend......59 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North 10 to 15 mph. Gusts up to 30 mph
                    decreasing to 20 mph after midnight.
LAL.................1.
Chc of wetting rain.75 percent.
Transport winds.....Northwest around 20 mph shifting to the
                    northeast after midnight.
Mixing height.......1800-2600 ft AGL.
Smoke dispersal.....Poor (32100-33100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Cloudy. Snow until 1200, then very light snow
                    likely. Snow accumulation of 2 to 4 inches.
Max temperature.....13-18.
   24 hr trend......35 degrees cooler.
Min humidity........50-56 percent.
   24 hr trend......18 percent wetter.
20-foot winds.......Northeast around 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.60 percent.
Transport winds.....Northeast around 20 mph.
Mixing height.......2700-4700 ft AGL.
Smoke dispersal.....Fair to good (46200-79300 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Chance of snow. Lows around 4 below.
Highs around 20. Northeast winds around 5 mph.
.TUESDAY...Not as cool. Mostly clear. Lows around 2. Highs in the
upper 30s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly clear. Lows around 20. Highs in the mid 40s.
Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 20s. Highs in the
upper 40s.
.FRIDAY...Mostly clear. Lows in the upper 20s. Highs in the lower
50s.

$$

WYZ307-241030-
Snowy Range/Medicine Bow NF-
232 PM MDT Fri Oct 23 2020

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

.Tonight...
Sky/weather.........Partly cloudy.
Min temperature.....29-34.
   24 hr trend......18 degrees warmer.
Max humidity........37-43 percent.
   24 hr trend......46 percent drier.
Humidity recovery...Poor.
20-foot winds.......Breezy. Southwest 20 to 25 mph. Gusts up to 50
                    mph increasing to 60 mph after midnight.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 30 mph increasing to west
                    around 40 mph after midnight.
Mixing height.......800-1400 ft AGL.
Smoke dispersal.....Poor to fair (26300-40900 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Partly cloudy until 0900, then mostly cloudy.
Max temperature.....44-49.
   24 hr trend......13 degrees warmer.
Min humidity........31-37 percent.
   24 hr trend......12 percent wetter.
20-foot winds.......Windy. West around 30 mph with gusts to around
                    60 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....West 50 to 55 mph.
Mixing height.......1800-2900 ft AGL increasing to 4400-5500 ft AGL
                    in the afternoon.
Smoke dispersal.....Very good (106400 knot-ft) increasing to
                    excellent (228400 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Cloudy. Rain until 2200. Snow after 1900. Rain
                    after 2300 until 2400. Snow accumulation of 2
                    to 6 inches.
Min temperature.....1-7.
   24 hr trend......29 degrees cooler.
Max humidity........94-100 percent.
   24 hr trend......58 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest around 15 mph with gusts to around 40
                    mph shifting to the north after midnight.
LAL.................1.
Chc of wetting rain.80 percent.
Transport winds.....West around 25 mph becoming northeast around 10
                    mph after midnight.
Mixing height.......800-2600 ft AGL.
Smoke dispersal.....Poor (13300-37500 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Cloudy. Snow. Snow accumulation of 3 to 5
                    inches.
Max temperature.....6-14.
   24 hr trend......36 degrees cooler.
Min humidity........56-62 percent.
   24 hr trend......21 percent wetter.
20-foot winds.......Northeast around 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.80 percent.
Transport winds.....Northeast 15 to 20 mph.
Mixing height.......1400-3400 ft AGL.
Smoke dispersal.....Poor to fair (24300-51100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly cloudy. Snow likely. Lows around 7 below. Highs
around 16. East winds around 5 mph.
.TUESDAY...Not as cold. Mostly clear. Lows around 1. Highs in the
lower 30s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly clear. Lows around 19. Highs around 40. Winds
generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 20s. Highs in the
lower 40s.
.FRIDAY...Mostly clear. Lows in the mid 20s. Highs in the mid
40s.

$$

WYZ308-241030-
Laramie Valley/Shirley Basin-
232 PM MDT Fri Oct 23 2020

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SATURDAY TO 6 AM
MDT MONDAY...

.Tonight...
Sky/weather.........Partly cloudy.
Min temperature.....22-28.
   24 hr trend......15 degrees warmer.
Max humidity........43-49 percent.
   24 hr trend......54 percent drier.
Humidity recovery...Poor.
20-foot winds.......Southwest around 10 mph and gusty increasing to
                    around 20 mph with gusts to around 35 mph after
                    midnight.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph increasing to around 30
                    mph after midnight.
Mixing height.......600-1100 ft AGL.
Smoke dispersal.....Poor (11400-21600 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY...
Sky/weather.........Partly cloudy until 0900, then mostly cloudy.
                    Slight chance of showers after 0900 until 1200,
                    then rain until 1700, then snow and chance of
                    rain. Snow accumulation up to 1 inch.
Max temperature.....46-52.
   24 hr trend......19 degrees warmer.
Min humidity........28-34 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Breezy. West around 25 mph with gusts to around
                    50 mph.
LAL.................1.
Chc of wetting rain.15 percent.
Transport winds.....West around 45 mph.
Mixing height.......1900-2700 ft AGL increasing to 4000-6000 ft AGL
                    in the afternoon.
Smoke dispersal.....Good (85700 knot-ft) increasing to excellent
                    (189500 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Cloudy. Rain until 2100. Snow. Snow
                    accumulation of 2 to 4 inches.
Min temperature.....1-7.
   24 hr trend......22 degrees cooler.
Max humidity........100 percent.
   24 hr trend......54 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North 10 to 15 mph. Gusts up to 35 mph
                    decreasing to 20 mph after midnight.
LAL.................1.
Chc of wetting rain.90 percent.
Transport winds.....North around 20 mph.
Mixing height.......1800-3400 ft AGL.
Smoke dispersal.....Poor (37000-38300 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Cloudy. Snow. Snow accumulation of 1 to 4
                    inches.
Max temperature.....9-14.
   24 hr trend......42 degrees cooler.
Min humidity........58-64 percent.
   24 hr trend......27 percent wetter.
20-foot winds.......Northeast around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.70 percent.
Transport winds.....Northeast around 20 mph.
Mixing height.......2800-4800 ft AGL.
Smoke dispersal.....Fair to good (50500-77200 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Snow likely. Lows around 7 below. Highs
around 17. Southeast winds around 5 mph.
.TUESDAY...Not as cool. Mostly clear. Lows near zero. Highs in
the mid 30s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly clear. Lows around 19. Highs in the lower
40s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 20s. Highs in the mid
40s.
.FRIDAY...Mostly clear. Lows in the mid 20s. Highs around 50.

$$

WYZ309-241030-
South Laramie Range/Medicine Bow NF-
232 PM MDT Fri Oct 23 2020

...HIGH WIND WARNING IN EFFECT FROM 6 AM TO 6 PM MDT SATURDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SATURDAY TO 6 PM
MDT SUNDAY...
...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH LATE
SUNDAY NIGHT...

.Tonight...
Sky/weather.........Partly cloudy.
Min temperature.....22-27.
   24 hr trend......15 degrees warmer.
Max humidity........53-59 percent.
   24 hr trend......45 percent drier.
Humidity recovery...Fair.
20-foot winds.......Southwest 10 to 15 mph. Gusts up to 25 mph
                    increasing to 45 mph after midnight.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 20 mph increasing to southwest
                    around 30 mph after midnight.
Mixing height.......500-1100 ft AGL.
Smoke dispersal.....Poor (14200-16200 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY...
Sky/weather.........Partly cloudy until 0900, then mostly cloudy.
                    Chance of rain after 1200.
Max temperature.....51-56.
   24 hr trend......23 degrees warmer.
Min humidity........27-33 percent.
   24 hr trend......17 percent drier.
20-foot winds.......Breezy. West 20 to 25 mph with gusts to around
                    55 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....West 35 to 40 mph.
Mixing height.......1400-2400 ft AGL increasing to 5000-7000 ft AGL
                    in the afternoon.
Smoke dispersal.....Good (68200 knot-ft) increasing to excellent
                    (178000 knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Cloudy. Rain until 2100. Snow. Snow
                    accumulation of 1 to 4 inches.
Min temperature.....4-10.
   24 hr trend......19 degrees cooler.
Max humidity........100 percent.
   24 hr trend......45 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North 10 to 15 mph and gusty.
LAL.................1.
Chc of wetting rain.85 percent.
Transport winds.....North around 15 mph increasing to around 25 mph
                    after midnight.
Mixing height.......1200-3000 ft AGL.
Smoke dispersal.....Poor to fair (26300-47600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Cloudy. Snow. Snow accumulation of 1 to 5
                    inches.
Max temperature.....8-14.
   24 hr trend......43 degrees cooler.
Min humidity........66-72 percent.
   24 hr trend......40 percent wetter.
20-foot winds.......North around 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.80 percent.
Transport winds.....Northeast 20 to 25 mph.
Mixing height.......2700-4700 ft AGL.
Smoke dispersal.....Fair to good (57700-83100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly cloudy. Snow likely. Lows around 2 below. Highs
around 17. West winds around 5 mph.
.TUESDAY...Not as cool. Mostly clear. Lows around 6. Highs in the
upper 30s. West winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the mid 20s. Highs in the mid
40s. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 20s. Highs in the
upper 40s.
.FRIDAY...Mostly clear. Lows in the lower 30s. Highs in the lower
50s.

$$

WYZ310-241030-
Platte/Goshen/Central and Eastern Laramie-
232 PM MDT Fri Oct 23 2020

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SATURDAY TO 6 AM
MDT MONDAY...

.Tonight...
Sky/weather.........Partly cloudy until 0300, then mostly cloudy.
Min temperature.....21-26.
   24 hr trend......11 degrees warmer.
Max humidity........65-71 percent.
   24 hr trend......32 percent drier.
Humidity recovery...Fair.
20-foot winds.......Southeast around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 20 to 25 mph.
Mixing height.......400-1500 ft AGL.
Smoke dispersal.....Poor (11300-27000 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain after 1200.
                    Chance of snow after 1700.
Max temperature.....47-53.
   24 hr trend......18 degrees warmer.
Min humidity........36-42 percent.
   24 hr trend......9 percent drier.
20-foot winds.......Southeast around 10 mph shifting to the north
                    with higher gusts in the afternoon.
LAL.................1.
Chc of wetting rain.10 percent.
Transport winds.....Southwest around 15 mph shifting to the
                    northwest in the afternoon.
Mixing height.......500-1000 ft AGL increasing to 2400-4400 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to fair (8800-44800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Cloudy. Rain until 2000. Snow. Rain likely
                    after 2000 until 2100. Snow accumulation of 1
                    to 3 inches.
Min temperature.....8-13.
   24 hr trend......15 degrees cooler.
Max humidity........94-100 percent.
   24 hr trend......32 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North around 15 mph and gusty.
LAL.................1.
Chc of wetting rain.85 percent.
Transport winds.....North 20 to 25 mph.
Mixing height.......1400-3300 ft AGL.
Smoke dispersal.....Poor to fair (27800-56200 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Cloudy. Snow. Snow accumulation of 1 to 4
                    inches.
Max temperature.....13-18.
   24 hr trend......34 degrees cooler.
Min humidity........70-76 percent.
   24 hr trend......33 percent wetter.
20-foot winds.......North around 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.75 percent.
Transport winds.....North 20 to 25 mph.
Mixing height.......2900-4900 ft AGL.
Smoke dispersal.....Good (60300-89000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Snow likely. Lows around 1 below. Highs
around 20. Northwest winds around 5 mph.
.TUESDAY...Not as cool. Mostly clear. Lows around 4. Highs around
40. West winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the mid 20s. Highs in the mid
40s. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 20s. Highs in the upper
40s.
.FRIDAY...Mostly clear. Lows in the upper 20s. Highs in the mid
50s.

$$

NEZ311-241030-
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
232 PM MDT Fri Oct 23 2020

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SATURDAY TO 6 PM
MDT SUNDAY...

.Tonight...
Sky/weather.........Partly cloudy until 0300, then mostly cloudy.
Min temperature.....20-25.
   24 hr trend......7 degrees warmer.
Max humidity........78-84 percent.
   24 hr trend......19 percent drier.
Humidity recovery...Good.
20-foot winds.......Southeast 10 to 15 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 25 to 30 mph.
Mixing height.......700-1500 ft AGL.
Smoke dispersal.....Poor (22000-24000 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Cloudy. Rain after 1200 until 1700. Snow after
                    1200. Little or no snow accumulation.
Max temperature.....38-43.
   24 hr trend......10 degrees warmer.
Min humidity........51-57 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Southeast around 10 mph shifting to the
                    northeast in the afternoon. Gusts up to 30 mph.
LAL.................1.
Chc of wetting rain.30 percent.
Transport winds.....Southwest around 15 mph shifting to the north
                    in the afternoon.
Mixing height.......600-1100 ft AGL increasing to 2500-3100 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (11200-18700 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Cloudy. Snow. Rain after 1900 until 2000. Snow
                    accumulation of 3 to 4 inches.
Min temperature.....9-14.
   24 hr trend......10 degrees cooler.
Max humidity........100 percent.
   24 hr trend......19 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North around 15 mph and gusty.
LAL.................1.
Chc of wetting rain.90 percent.
Transport winds.....Northeast 20 to 25 mph.
Mixing height.......1500-2800 ft AGL.
Smoke dispersal.....Poor to fair (28800-49400 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Cloudy. Very light snow until 1200, then very
                    light snow likely. Snow accumulation of 2 to 3
                    inches.
Max temperature.....15-20.
   24 hr trend......23 degrees cooler.
Min humidity........72-78 percent.
   24 hr trend......27 percent wetter.
20-foot winds.......North around 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.60 percent.
Transport winds.....Northeast around 25 mph.
Mixing height.......2900-4900 ft AGL.
Smoke dispersal.....Good to very good (71400-102600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Chance of snow. Lows near zero. Highs in
the lower 20s. West winds around 10 mph.
.TUESDAY...Not as cool. Mostly clear. Lows around 6. Highs in the
upper 30s. West winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 20s. Highs in the
mid 40s. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 20s. Highs in the upper
40s.
.FRIDAY...Mostly clear. Lows in the upper 20s. Highs in the mid
50s.

$$

NEZ312-241030-
Box Butte/South Sioux-
232 PM MDT Fri Oct 23 2020

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SATURDAY TO 6 PM
MDT SUNDAY...

.Tonight...
Sky/weather.........Partly cloudy until 0300, then mostly cloudy.
Min temperature.....20-25.
   24 hr trend......8 degrees warmer.
Max humidity........78-84 percent.
   24 hr trend......16 percent drier.
Humidity recovery...Good.
20-foot winds.......Southeast 15 to 20 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 25 to 30 mph.
Mixing height.......800-1700 ft AGL.
Smoke dispersal.....Poor (19300-29300 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Cloudy. Chance of rain after 1200. Chance of
                    snow after 1700.
Max temperature.....41-46.
   24 hr trend......12 degrees warmer.
Min humidity........40-46 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Southeast around 15 mph with higher gusts
                    shifting to the east and gusty in the
                    afternoon.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....South around 20 mph becoming north around 10
                    mph in the afternoon.
Mixing height.......700 ft AGL increasing to 2000-3000 ft AGL in
                    the afternoon.
Smoke dispersal.....Poor (11000-14800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Cloudy. Snow until 1900. Rain until 2100. Snow
                    after 2000. Snow accumulation of 2 to 3 inches.
Min temperature.....9-14.
   24 hr trend......13 degrees cooler.
Max humidity........100 percent.
   24 hr trend......16 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North around 15 mph and gusty.
LAL.................1.
Chc of wetting rain.85 percent.
Transport winds.....North 20 to 25 mph.
Mixing height.......1000-2200 ft AGL.
Smoke dispersal.....Poor to fair (20300-43000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Cloudy. Snow until 1200, then snow likely. Snow
                    accumulation of 2 to 3 inches.
Max temperature.....15-20.
   24 hr trend......25 degrees cooler.
Min humidity........72-78 percent.
   24 hr trend......31 percent wetter.
20-foot winds.......North around 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.70 percent.
Transport winds.....Northeast around 30 mph.
Mixing height.......2800-4500 ft AGL.
Smoke dispersal.....Good to very good (68000-107100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Chance of snow. Lows around 1 below.
Highs in the lower 20s. Northwest winds around 10 mph.
.TUESDAY...Not as cool. Mostly clear. Lows around 3. Highs in the
upper 30s. West winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 20s. Highs in the
mid 40s. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 20s. Highs in the
upper 40s.
.FRIDAY...Mostly clear. Lows in the mid 20s. Highs in the mid
50s.

$$

NEZ313-241030-
Scotts Bluff National Monument/Wildcat Hills-
232 PM MDT Fri Oct 23 2020

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SATURDAY TO 6 AM
MDT MONDAY...

.Tonight...
Sky/weather.........Partly cloudy.
Min temperature.....20-25.
   24 hr trend......9 degrees warmer.
Max humidity........75-81 percent.
   24 hr trend......19 percent drier.
Humidity recovery...Good.
20-foot winds.......Southeast 10 to 15 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 25 mph.
Mixing height.......800-2100 ft AGL.
Smoke dispersal.....Poor (17900-34900 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Mostly cloudy. Slight chance of rain after
                    1200.
Max temperature.....46-51.
   24 hr trend......15 degrees warmer.
Min humidity........36-42 percent.
   24 hr trend......11 percent drier.
20-foot winds.......Southeast around 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 20 mph becoming southeast around
                    10 mph in the afternoon.
Mixing height.......500-1000 ft AGL increasing to 2200-4200 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (10300-26100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Cloudy. Rain and snow likely until 2400, then
                    snow. Snow accumulation of 1 to 2 inches.
Min temperature.....10-15.
   24 hr trend......10 degrees cooler.
Max humidity........100 percent.
   24 hr trend......19 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast around 10 mph shifting to the north
                    after midnight. Gusts up to 25 mph.
LAL.................1.
Chc of wetting rain.60 percent.
Transport winds.....Northeast around 15 mph increasing to north
                    around 25 mph after midnight.
Mixing height.......1200-2100 ft AGL.
Smoke dispersal.....Poor (21300-38400 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Cloudy. Snow. Snow accumulation of 3 to 5
                    inches.
Max temperature.....16-21.
   24 hr trend......30 degrees cooler.
Min humidity........73-79 percent.
   24 hr trend......37 percent wetter.
20-foot winds.......North around 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.80 percent.
Transport winds.....North around 30 mph.
Mixing height.......2300-4300 ft AGL.
Smoke dispersal.....Good to very good (63100-101400 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly cloudy. Snow likely. Lows around 1. Highs in the
lower 20s. Northwest winds around 5 mph.
.TUESDAY...Not as cool. Mostly clear. Lows around 4. Highs in the
lower 40s. West winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 20s. Highs in the
upper 40s. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the mid 20s. Highs in the lower
50s.
.FRIDAY...Mostly clear. Lows in the upper 20s. Highs in the upper
50s.

$$
National Weather Service National Headquarters
