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

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000
FNUS55 KCYS 212017
FWFCYS

Fire Weather Planning Forecast for Southeast Wyoming/Western Nebraska
National Weather Service Cheyenne WY
217 PM MDT Thu Sep 21 2017

...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR MUCH OF
THE LOWER ELEVATIONS OF SOUTHEAST WYOMING...

.DISCUSSION...

It will continue to be a warm, very dry, and breezy afternoon over
much of southeast Wyoming.  A Red Flag Warning remains in effect
through the early evening for Fire Weather Zones 304, 306, 308, 309,
and 310.  Fire weather concerns will be minimal after this
afternoon.  Cooler temperatures on Friday will cause RH values to
stay mostly above 25 percent.  It will turn much cooler over the
weekend with good chances for widespread precipitation.

WYZ301-212230-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
217 PM MDT Thu Sep 21 2017

.Rest of Today...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Max temperature.....75-81.
   24 hr trend......8 degrees warmer.
Min humidity........14-20 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Southeast around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing height.......6800-8800 ft AGL.
Smoke dispersal.....Very good (100700 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....40-45.
   24 hr trend......5 degrees cooler.
Max humidity........75-81 percent.
   24 hr trend......31 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northeast 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....East 10 to 15 mph.
Mixing height.......400-1200 ft AGL.
Smoke dispersal.....Poor (5100-11600 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Partly cloudy until 1500, then mostly cloudy.
                    Slight chance of showers after 1200. slight
                    chance of thunderstorms after 1500.
Max temperature.....64-70.
   24 hr trend......11 degrees cooler.
Min humidity........28-34 percent.
   24 hr trend......15 percent wetter.
20-foot winds.......Northwest around 5 mph shifting to the
                    southwest in the afternoon. Gusts up to 15 mph.
LAL.................1 until 1500, then 2.
Chc of wetting rain.5 percent.
Transport winds.....South around 5 mph increasing to southwest
                    around 15 mph in the afternoon.
Mixing height.......400-1300 ft AGL increasing to 9700-11700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (4100 knot-ft) increasing to excellent
                    (160400 knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cooler. Cloudy with showers likely and slight chance
of thunderstorms. Lows around 40. Highs in the mid 50s. Northeast
winds around 10 mph.
.SUNDAY...Cloudy with showers likely. Lows in the upper 30s.
Highs in the upper 40s. North winds around 10 mph.
.MONDAY...Cloudy with chance of showers. Lows in the mid 30s.
Highs in the upper 40s. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy. Slight chance of showers. Lows in the
lower 30s. Highs in the mid 50s.
.WEDNESDAY...Partly cloudy. Lows in the mid 30s. Highs in the
upper 50s.

$$

WYZ302-212230-
North Laramie Range/Medicine Bow NF-
217 PM MDT Thu Sep 21 2017

.Rest of Today...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Max temperature.....71-79.
   24 hr trend......10 degrees warmer.
Min humidity........9-15 percent.
   24 hr trend......12 percent drier.
20-foot winds.......Southwest around 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 25 mph.
Mixing height.......8600-10500 ft AGL.
Smoke dispersal.....Excellent (225400 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....42-47.
   24 hr trend......2 degrees cooler.
Max humidity........52-58 percent.
   24 hr trend......3 percent drier.
Humidity recovery...Fair.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing height.......2800-4800 ft AGL decreasing to 600-2600 ft AGL
                    after midnight.
Smoke dispersal.....Poor to good (28100-62900 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Partly cloudy until 1200, then mostly cloudy.
                    Chance of showers after 1200. slight chance of
                    thunderstorms after 1500.
Max temperature.....58-66.
   24 hr trend......12 degrees cooler.
Min humidity........29-35 percent.
   24 hr trend......18 percent wetter.
20-foot winds.......Southwest around 10 mph with higher gusts.
LAL.................1 until 1500, then 2.
Chc of wetting rain.10 percent.
Transport winds.....Southwest around 25 mph.
Mixing height.......2400-4100 ft AGL increasing to 9000-10800 ft
                    AGL in the afternoon.
Smoke dispersal.....Good (76400 knot-ft) increasing to excellent
                    (210300 knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cooler. Cloudy with showers and slight chance of
thunderstorms. Lows in the upper 30s. Highs around 50. East winds
around 10 mph.
.SUNDAY...Showers and snow showers likely. Lows in the mid 30s.
Highs in the lower 40s. Northeast winds around 10 mph.
.MONDAY...Cloudy with showers and snow showers likely. Lows in
the lower 30s. Highs in the mid 40s. Winds generally less than
10 mph.
.TUESDAY...Partly cloudy. Slight chance of showers and snow
showers. Lows around 30. Highs in the upper 40s.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows in
the lower 30s. Highs in the lower 50s.

$$

WYZ303-212230-
Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains-
217 PM MDT Thu Sep 21 2017

.Rest of Today...
Sky/weather.........Mostly sunny.
Max temperature.....70-75.
   24 hr trend......10 degrees warmer.
Min humidity........13-19 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Southwest around 20 mph with gusts to around 40
                    mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 35 mph.
Mixing height.......8600-9700 ft AGL.
Smoke dispersal.....Excellent (293300 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....42-47.
   24 hr trend......2 degrees cooler.
Max humidity........52-58 percent.
   24 hr trend......10 percent drier.
Humidity recovery...Fair.
20-foot winds.......South 10 to 15 mph. Gusts up to 35 mph
                    decreasing to 20 mph after midnight.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 20 to 25 mph.
Mixing height.......700-2700 ft AGL.
Smoke dispersal.....Poor to fair (18700-44300 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Partly cloudy until 1200, then mostly cloudy.
                    Slight chance of showers. slight chance of
                    thunderstorms after 1500.
Max temperature.....59-64.
   24 hr trend......12 degrees cooler.
Min humidity........27-33 percent.
   24 hr trend......13 percent wetter.
20-foot winds.......Southwest 15 to 20 mph with gusts to around 35
                    mph.
LAL.................1 until 1500, then 3.
Chc of wetting rain.5 percent.
Transport winds.....Southwest 30 to 35 mph.
Mixing height.......1700-3700 ft AGL increasing to 9600-11400 ft
                    AGL in the afternoon.
Smoke dispersal.....Good (73100 knot-ft) increasing to excellent
                    (331300 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cooler. Mostly cloudy with showers likely and slight
chance of thunderstorms. Lows in the upper 30s. Highs in the
lower 50s. East winds around 10 mph.
.SUNDAY...Showers likely. Lows in the mid 30s. Highs in the mid
40s. Northeast winds around 10 mph.
.MONDAY...Cloudy with chance of showers and snow showers. Lows
around 30. Highs in the mid 40s. Winds generally less than
10 mph.
.TUESDAY...Partly cloudy with slight chance of showers. Lows in
the upper 20s. Highs in the upper 40s.
.WEDNESDAY...Mostly clear. Lows around 30. Highs in the lower
50s.

$$

WYZ304-212230-
Southwest Carbon County-
217 PM MDT Thu Sep 21 2017

...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THIS EVENING...

.Rest of Today...
Sky/weather.........Mostly sunny.
Max temperature.....71-76.
   24 hr trend......4 degrees warmer.
Min humidity........13-19 percent.
   24 hr trend......5 percent drier.
20-foot winds.......Windy. Southwest around 30 mph with gusts to
                    around 45 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 45 mph.
Mixing height.......9200-10000 ft AGL.
Smoke dispersal.....Excellent (359600 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....43-48.
   24 hr trend......Unchanged.
Max humidity........50-56 percent.
   24 hr trend......10 percent drier.
Humidity recovery...Poor.
20-foot winds.......South around 20 mph with gusts to around 40 mph
                    decreasing to around 10 mph and gusty after
                    midnight.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 30 mph decreasing to around 20 mph
                    after midnight.
Mixing height.......400-1500 ft AGL.
Smoke dispersal.....Poor (12300-25500 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FRIDAY...
Sky/weather.........Mostly cloudy. Slight chance of showers. slight
                    chance of thunderstorms after 1500.
Max temperature.....60-66.
   24 hr trend......13 degrees cooler.
Min humidity........25-31 percent.
   24 hr trend......15 percent wetter.
20-foot winds.......Southwest around 20 mph with gusts to around 35
                    mph.
LAL.................1 until 1500, then 3.
Chc of wetting rain.5 percent.
Transport winds.....Southwest 35 to 40 mph.
Mixing height.......2100-4000 ft AGL increasing to 10100-11600 ft
                    AGL in the afternoon.
Smoke dispersal.....Good (87600 knot-ft) increasing to excellent
                    (381800 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cooler. Mostly cloudy with chance of showers and
slight chance of thunderstorms. Lows in the upper 30s. Highs in
the upper 50s. Northeast winds around 10 mph.
.SUNDAY...Mostly cloudy with chance of showers. Lows in the mid
30s. Highs in the mid 50s. Northeast winds around 10 mph.
.MONDAY...Mostly cloudy with chance of showers and snow showers.
Lows in the lower 30s. Highs in the lower 50s. Winds generally
less than 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 30s. Highs in the mid
50s.
.WEDNESDAY...Mostly clear. Lows in the lower 30s. Highs in the
upper 50s.

$$

WYZ305-212230-
Sierra Madre Range/Medicine Bow NF-
217 PM MDT Thu Sep 21 2017

.Rest of Today...
Sky/weather.........Mostly sunny.
Max temperature.....65-71.
   24 hr trend......8 degrees warmer.
Min humidity........13-19 percent.
   24 hr trend......13 percent drier.
20-foot winds.......Southwest around 20 mph with gusts to around 40
                    mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 40 mph.
Mixing height.......7400-9100 ft AGL.
Smoke dispersal.....Excellent (307600 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....41-46.
   24 hr trend......1 degree cooler.
Max humidity........51-57 percent.
   24 hr trend......1 percent wetter.
Humidity recovery...Poor.
20-foot winds.......South around 15 mph with gusts to around 35
                    mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 30 mph.
Mixing height.......1500-3500 ft AGL.
Smoke dispersal.....Fair to good (50100-86600 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FRIDAY...
Sky/weather.........Partly cloudy until 1200, then mostly cloudy.
                    Slight chance of showers until 1200, then
                    chance of showers. chance of thunderstorms
                    after 1500.
Max temperature.....52-60.
   24 hr trend......12 degrees cooler.
Min humidity........31-37 percent.
   24 hr trend......16 percent wetter.
20-foot winds.......Southwest around 15 mph with gusts to around 35
                    mph.
LAL.................1 until 1500, then 3.
Chc of wetting rain.10 percent.
Transport winds.....Southwest 35 to 40 mph.
Mixing height.......3600-5100 ft AGL increasing to 9300-11000 ft
                    AGL in the afternoon.
Smoke dispersal.....Excellent (152100 knot-ft) increasing to
                    excellent (328700 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cooler. Mostly cloudy with showers likely and slight
chance of thunderstorms. Lows in the upper 30s. Highs in the
lower 50s. South winds around 5 mph.
.SUNDAY...Showers and snow showers likely. Lows in the mid 30s.
Highs in the upper 40s. East winds around 5 mph.
.MONDAY...Cloudy with chance of showers and snow showers. Lows
around 30. Highs in the mid 40s. Winds generally less than
10 mph.
.TUESDAY...Partly cloudy. Lows in the upper 20s. Highs in the
upper 40s.
.WEDNESDAY...Mostly clear. Slight chance of showers. Lows in the
upper 20s. Highs in the lower 50s.

$$

WYZ306-212230-
Upper North Platte River Basin-
217 PM MDT Thu Sep 21 2017

...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THIS EVENING...

.Rest of Today...
Sky/weather.........Mostly sunny.
Max temperature.....71-76.
   24 hr trend......9 degrees warmer.
Min humidity........11-17 percent.
   24 hr trend......12 percent drier.
20-foot winds.......Southwest around 20 mph with gusts to around 35
                    mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 35 mph.
Mixing height.......9200-9700 ft AGL.
Smoke dispersal.....Excellent (302100 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....42-47.
   24 hr trend......1 degree cooler.
Max humidity........51-57 percent.
   24 hr trend......1 percent wetter.
Humidity recovery...Poor.
20-foot winds.......South around 10 mph. Gusts up to 30 mph
                    decreasing to 20 mph after midnight.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing height.......700-1800 ft AGL.
Smoke dispersal.....Poor (12800-21900 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FRIDAY...
Sky/weather.........Partly cloudy until 1200, then mostly cloudy.
                    Slight chance of showers after 1200. slight
                    chance of thunderstorms after 1500.
Max temperature.....60-65.
   24 hr trend......12 degrees cooler.
Min humidity........26-32 percent.
   24 hr trend......14 percent wetter.
20-foot winds.......Southwest around 15 mph with higher gusts.
LAL.................1 until 1500, then 3.
Chc of wetting rain.5 percent.
Transport winds.....Southwest 30 to 35 mph.
Mixing height.......4700-5500 ft AGL increasing to 11400-12100 ft
                    AGL in the afternoon.
Smoke dispersal.....Very good (141300 knot-ft) increasing to
                    excellent (335600 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cooler. Mostly cloudy with showers likely and slight
chance of thunderstorms. Lows in the upper 30s. Highs in the mid
50s. Southeast winds around 5 mph.
.SUNDAY...Showers likely. Lows in the mid 30s. Highs in the lower
50s. East winds around 5 mph.
.MONDAY...Mostly cloudy with chance of showers and snow showers.
Lows in the lower 30s. Highs in the upper 40s. Winds generally
less than 10 mph.
.TUESDAY...Partly cloudy. Lows in the upper 20s. Highs in the
lower 50s.
.WEDNESDAY...Mostly clear. Lows in the upper 20s. Highs in the
mid 50s.

$$

WYZ307-212230-
Snowy Range/Medicine Bow NF-
217 PM MDT Thu Sep 21 2017

.Rest of Today...
Sky/weather.........Mostly sunny.
Max temperature.....65-71.
   24 hr trend......11 degrees warmer.
Min humidity........10-16 percent.
   24 hr trend......13 percent drier.
20-foot winds.......Southwest around 20 mph with gusts to around 35
                    mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 35 mph.
Mixing height.......7100-8700 ft AGL.
Smoke dispersal.....Excellent (241700 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....36-42.
   24 hr trend......1 degree cooler.
Max humidity........56-62 percent.
   24 hr trend......3 percent drier.
Humidity recovery...Fair.
20-foot winds.......South 10 to 15 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 25 mph.
Mixing height.......1700-3700 ft AGL.
Smoke dispersal.....Fair to good (55300-68800 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FRIDAY...
Sky/weather.........Mostly sunny until 0900, then partly cloudy
                    until 1200, then mostly cloudy. Slight chance
                    of showers until 1200, then chance of showers.
                    chance of thunderstorms after 1500.
Max temperature.....53-61.
   24 hr trend......11 degrees cooler.
Min humidity........28-34 percent.
   24 hr trend......17 percent wetter.
20-foot winds.......Southwest around 15 mph with higher gusts.
LAL.................1 until 1500, then 3.
Chc of wetting rain.10 percent.
Transport winds.....Southwest 30 to 35 mph.
Mixing height.......2700-4300 ft AGL increasing to 8700-10600 ft
                    AGL in the afternoon.
Smoke dispersal.....Very good (108000 knot-ft) increasing to
                    excellent (253300 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cooler. Mostly cloudy with showers likely and slight
chance of thunderstorms. Lows in the mid 30s. Highs around 50.
Southeast winds around 5 mph.
.SUNDAY...Showers likely and snow showers. Lows in the lower 30s.
Highs in the mid 40s. East winds around 5 mph.
.MONDAY...Cloudy with snow showers and showers likely. Lows in
the mid 20s. Highs in the lower 40s. Winds generally less than
10 mph.
.TUESDAY...Partly cloudy with slight chance of showers,
thunderstorms and snow showers. Lows in the mid 20s. Highs in the
mid 40s.
.WEDNESDAY...Mostly clear. Chance of snow showers and slight
chance of showers. Lows in the mid 20s. Highs in the upper 40s.

$$

WYZ308-212230-
Laramie Valley/Shirley Basin-
217 PM MDT Thu Sep 21 2017

...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THIS EVENING...

.Rest of Today...
Sky/weather.........Mostly sunny.
Max temperature.....73-78.
   24 hr trend......7 degrees warmer.
Min humidity........7-13 percent.
   24 hr trend......11 percent drier.
20-foot winds.......Southwest around 20 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 30 mph.
Mixing height.......9200-9900 ft AGL.
Smoke dispersal.....Excellent (243900 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....40-45.
   24 hr trend......1 degree warmer.
Max humidity........53-59 percent.
   24 hr trend......3 percent drier.
Humidity recovery...Fair.
20-foot winds.......South 5 to 10 mph. Gusts up to 25 mph
                    decreasing to 15 mph after midnight.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing height.......300-1800 ft AGL.
Smoke dispersal.....Poor (10500-16300 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Mostly sunny until 0900, then partly cloudy
                    until 1200, then mostly cloudy. Slight chance
                    of showers after 1200. slight chance of
                    thunderstorms after 1500.
Max temperature.....63-68.
   24 hr trend......10 degrees cooler.
Min humidity........25-31 percent.
   24 hr trend......16 percent wetter.
20-foot winds.......Southwest 10 to 15 mph with higher gusts.
LAL.................1 until 1500, then 2.
Chc of wetting rain.5 percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing height.......1200-3200 ft AGL increasing to 9200-11200 ft
                    AGL in the afternoon.
Smoke dispersal.....Fair (41700 knot-ft) increasing to excellent
                    (242400 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cooler. Cloudy with showers likely and slight chance
of thunderstorms. Lows in the upper 30s. Highs in the lower 50s.
East winds around 10 mph.
.SUNDAY...Showers likely. Lows in the mid 30s. Highs in the mid
40s. Northeast winds around 10 mph.
.MONDAY...Cloudy with showers likely and chance of snow showers.
Lows in the lower 30s. Highs in the mid 40s. Winds generally less
than 10 mph.
.TUESDAY...Partly cloudy. Slight chance of showers. Lows in the
upper 20s. Highs in the lower 50s.
.WEDNESDAY...Mostly clear. Lows around 30. Highs in the mid 50s.

$$

WYZ309-212230-
South Laramie Range/Medicine Bow NF-
217 PM MDT Thu Sep 21 2017

...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THIS EVENING...

.Rest of Today...
Sky/weather.........Mostly sunny.
Max temperature.....75-83.
   24 hr trend......9 degrees warmer.
Min humidity........4-10 percent.
   24 hr trend......12 percent drier.
20-foot winds.......South around 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph.
Mixing height.......9300-11000 ft AGL.
Smoke dispersal.....Excellent (201500 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....43-48.
   24 hr trend......2 degrees warmer.
Max humidity........53-59 percent.
   24 hr trend......3 percent wetter.
Humidity recovery...Fair.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......400-2400 ft AGL.
Smoke dispersal.....Poor (14400-19800 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Mostly sunny until 0900, then partly cloudy
                    until 1200, then mostly cloudy. Slight chance
                    of showers after 1200. slight chance of
                    thunderstorms after 1500.
Max temperature.....65-71.
   24 hr trend......9 degrees cooler.
Min humidity........22-28 percent.
   24 hr trend......17 percent wetter.
20-foot winds.......South around 10 mph with higher gusts.
LAL.................1 until 1500, then 3.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 20 mph.
Mixing height.......1700-3700 ft AGL increasing to 6700-8700 ft AGL
                    in the afternoon.
Smoke dispersal.....Fair (55100 knot-ft) increasing to very good
                    (147000 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cooler. Cloudy with showers likely and slight chance
of thunderstorms. Lows in the lower 40s. Highs in the mid 50s.
Northeast winds around 10 mph.
.SUNDAY...Showers likely. Lows in the upper 30s. Highs in the
upper 40s. Northeast winds around 10 mph.
.MONDAY...Cloudy with showers and snow showers likely. Lows in
the lower 30s. Highs in the upper 40s. Winds generally less than
10 mph.
.TUESDAY...Partly cloudy. Chance of showers and snow showers.
Lows in the lower 30s. Highs in the mid 50s.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows in
the mid 30s. Highs in the upper 50s.

$$

WYZ310-212230-
Platte/Goshen/Central and Eastern Laramie-
217 PM MDT Thu Sep 21 2017

...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THIS EVENING...

.Rest of Today...
Sky/weather.........Mostly sunny.
Max temperature.....82-87.
   24 hr trend......11 degrees warmer.
Min humidity........5-11 percent.
   24 hr trend......9 percent drier.
20-foot winds.......South around 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing height.......10200-11500 ft AGL.
Smoke dispersal.....Excellent (166100 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....43-48.
   24 hr trend......2 degrees cooler.
Max humidity........71-77 percent.
   24 hr trend......11 percent wetter.
Humidity recovery...Good.
20-foot winds.......Southeast around 10 mph shifting to the north
                    after midnight. Gusts up to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph shifting to the north
                    after midnight.
Mixing height.......300-1500 ft AGL.
Smoke dispersal.....Poor (4400-9600 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Mostly sunny until 0900, then partly cloudy
                    until 1500, then mostly cloudy. Slight chance
                    of showers after 1200. slight chance of
                    thunderstorms after 1500.
Max temperature.....72-77.
   24 hr trend......11 degrees cooler.
Min humidity........21-27 percent.
   24 hr trend......16 percent wetter.
20-foot winds.......Northwest around 5 mph shifting to the
                    southeast in the afternoon. Gusts up to 20 mph.
LAL.................1 until 1500, then 2.
Chc of wetting rain.5 percent.
Transport winds.....West around 10 mph shifting to the south in the
                    afternoon.
Mixing height.......200-1800 ft AGL increasing to 8900-10900 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (10000 knot-ft) increasing to very good
                    (119500 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Much cooler. Cloudy with showers likely and slight
chance of thunderstorms. Lows in the mid 40s. Highs in the upper
50s. Northeast winds around 10 mph.
.SUNDAY...Cloudy with showers likely. Lows in the lower 40s.
Highs in the lower 50s. North winds around 10 mph.
.MONDAY...Cloudy with chance of showers. Lows in the upper 30s.
Highs in the lower 50s. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy. Slight chance of showers. Lows in the
mid 30s. Highs in the upper 50s.
.WEDNESDAY...Partly cloudy. Lows in the upper 30s. Highs in the
lower 60s.

$$

NEZ311-212230-
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
217 PM MDT Thu Sep 21 2017

.Rest of Today...
Sky/weather.........Mostly sunny.
Max temperature.....84-89.
   24 hr trend......12 degrees warmer.
Min humidity........9-15 percent.
   24 hr trend......5 percent drier.
20-foot winds.......South around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing height.......8500-10500 ft AGL.
Smoke dispersal.....Good (88000 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....44-49.
   24 hr trend......5 degrees cooler.
Max humidity........77-83 percent.
   24 hr trend......32 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northeast around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast 15 to 20 mph.
Mixing height.......400-1200 ft AGL.
Smoke dispersal.....Poor (8400-14100 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FRIDAY...
Sky/weather.........Partly cloudy. Slight chance of showers after
                    1200. slight chance of thunderstorms after
                    1500.
Max temperature.....72-77.
   24 hr trend......12 degrees cooler.
Min humidity........28-34 percent.
   24 hr trend......21 percent wetter.
20-foot winds.......North around 5 mph shifting to the northeast in
                    the afternoon. Gusts up to 20 mph.
LAL.................1 until 1500, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 5 mph shifting to the south in
                    the afternoon.
Mixing height.......700-1800 ft AGL increasing to 5300-7300 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (7000-26200 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Much cooler. Cloudy with showers likely and slight
chance of thunderstorms. Lows in the lower 40s. Highs in the
upper 50s. Northeast winds around 10 mph.
.SUNDAY...Cloudy with showers. Lows in the lower 40s. Highs in
the lower 50s. North winds around 10 mph.
.MONDAY...Cloudy with chance of showers. Lows in the upper 30s.
Highs in the lower 50s. North winds around 10 mph.
.TUESDAY...Partly cloudy. Slight chance of showers. Lows in the
mid 30s. Highs in the upper 50s.
.WEDNESDAY...Mostly clear. Lows in the mid 30s. Highs in the mid
60s.

$$

NEZ312-212230-
Box Butte/South Sioux-
217 PM MDT Thu Sep 21 2017

.Rest of Today...
Sky/weather.........Mostly sunny.
Max temperature.....84-89.
   24 hr trend......13 degrees warmer.
Min humidity........10-16 percent.
   24 hr trend......2 percent drier.
20-foot winds.......South around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......8200-10200 ft AGL.
Smoke dispersal.....Good (91400 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....44-49.
   24 hr trend......2 degrees cooler.
Max humidity........80-86 percent.
   24 hr trend......7 percent wetter.
Humidity recovery...Good.
20-foot winds.......East around 10 mph shifting to the northeast
                    after midnight. Gusts up to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....East around 15 mph.
Mixing height.......300-800 ft AGL.
Smoke dispersal.....Poor (4600-7300 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Mostly sunny until 0900, then partly cloudy.
                    Slight chance of showers after 1200. slight
                    chance of thunderstorms after 1500.
Max temperature.....74-79.
   24 hr trend......12 degrees cooler.
Min humidity........25-31 percent.
   24 hr trend......13 percent wetter.
20-foot winds.......North around 5 mph shifting to the east in the
                    afternoon. Gusts up to 20 mph.
LAL.................1 until 1500, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph shifting to the south
                    in the afternoon.
Mixing height.......400-900 ft AGL increasing to 7000-9000 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to fair (4200-49700 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Much cooler. Cloudy with showers likely and slight
chance of thunderstorms. Lows in the mid 40s. Highs in the upper
50s. Northeast winds around 15 mph.
.SUNDAY...Cloudy with showers. Lows in the lower 40s. Highs in
the lower 50s. North winds around 15 mph.
.MONDAY...Cloudy with chance of showers. Lows in the upper 30s.
Highs in the lower 50s. North winds around 10 mph.
.TUESDAY...Partly cloudy. Slight chance of showers. Lows in the
mid 30s. Highs in the upper 50s.
.WEDNESDAY...Partly cloudy. Lows in the upper 30s. Highs in the
mid 60s.

$$

NEZ313-212230-
Scotts Bluff National Monument/Wildcat Hills-
217 PM MDT Thu Sep 21 2017

.Rest of Today...
Sky/weather.........Sunny.
Max temperature.....85-90.
   24 hr trend......12 degrees warmer.
Min humidity........9-15 percent.
   24 hr trend......3 percent drier.
20-foot winds.......South around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing height.......9100-11100 ft AGL.
Smoke dispersal.....Very good (102200 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....46-51.
   24 hr trend......1 degree warmer.
Max humidity........71-77 percent.
   24 hr trend......5 percent drier.
Humidity recovery...Good.
20-foot winds.......Southeast around 10 mph shifting to the
                    southwest after midnight. Gusts up to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph shifting to the
                    southwest after midnight.
Mixing height.......200-2200 ft AGL.
Smoke dispersal.....Poor (5700-14600 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
Max temperature.....78-83.
   24 hr trend......9 degrees cooler.
Min humidity........20-26 percent.
   24 hr trend......9 percent wetter.
20-foot winds.......North around 5 mph and gusty shifting to the
                    southeast with higher gusts in the afternoon.
LAL.................1 until 1500, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph shifting to the south
                    in the afternoon.
Mixing height.......500-1000 ft AGL increasing to 8900-10900 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (4700 knot-ft) increasing to very good
                    (117300 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cooler. Mostly cloudy with showers likely and slight
chance of thunderstorms. Lows in the upper 40s. Highs in the mid
60s. Northeast winds around 10 mph.
.SUNDAY...Cooler. Cloudy with showers. Lows in the mid 40s. Highs
in the mid 50s. North winds around 15 mph.
.MONDAY...Cloudy with chance of showers. Lows around 40. Highs in
the mid 50s. North winds around 10 mph.
.TUESDAY...Partly cloudy. Slight chance of showers. Lows in the
upper 30s. Highs around 60.
.WEDNESDAY...Partly cloudy. Lows in the upper 30s. Highs in the
mid 60s.

$$



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