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

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000
FNUS55 KCYS 200826
FWFCYS

Fire Weather Planning Forecast for Southeast Wyoming/Western Nebraska
National Weather Service Cheyenne WY
226 AM MDT Sun May 20 2018

DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM MDT THIS MORNING

.DISCUSSION...

Drier and warmer conditions expected by this afternoon as more sun will
break out after the round of morning fog and low clouds mixes out and
as the departing weather system shifts east.

Despite the warmer and drier conditions, fire weather concerns will
remain low as ample rain amounts have occurred over the past several
days for many areas. One areas that missed out on rainfall was Carbon
County. However, they should remain in the upper 20 to low 30 percentiles
relative humidity wise this afternoon. A few higher terrain showers and
isolated weak thunderstorms will be possible this afternoon but overall
coverage will be low to zero elsewhere.

A few isolated showers/storm could again be possible Monday across the
Laramie Range and into the NE Panhandle. Coverage again is expected to
be low. Relative humidity values will fall near 20 percent but winds
should remain below critical thresholds at 15 to 20 mph from the southwest.

Overall long range forecast appears to remain just moist enough during the
afternoons to preclude high fire concerns at this time.

WYZ301-202230-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
226 AM MDT Sun May 20 2018

.TODAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy.
Max temperature.....59-64.
   24 hr trend......14 degrees warmer.
Min humidity........46-52 percent.
   24 hr trend......33 percent drier.
20-foot winds.......Southeast around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 15 to 20 mph.
Mixing height.......2800-4800 ft AGL.
Smoke dispersal.....Fair to good (42000-67500 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly clear. Patchy fog after 0300 until 0400.
Min temperature.....42-47.
   24 hr trend......5 degrees warmer.
Max humidity........88-94 percent.
   24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southeast around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 25 mph becoming south around
                    15 mph after midnight.
Mixing height.......2700-4600 ft AGL decreasing to 500-1000 ft AGL
                    after midnight.
Smoke dispersal.....Good (71000 knot-ft) decreasing to poor (9700
                    knot-ft) after midnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.MONDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
                    Slight chance of showers and thunderstorms
                    after 1200.
Max temperature.....74-79.
   24 hr trend......15 degrees warmer.
Min humidity........27-33 percent.
   24 hr trend......15 percent drier.
20-foot winds.......South around 5 mph and gusty.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......1000-1700 ft AGL increasing to 9900-11900 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (11300 knot-ft) increasing to good (99800
                    knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.TUESDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the upper 70s.
Southeast winds around 5 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the lower 50s. Highs in the mid 70s. Southwest winds
around 5 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows around 50. Highs in the upper 70s. Southwest
winds around 10 mph.
.FRIDAY...Partly cloudy. Lows around 50. Highs in the upper 70s.
.SATURDAY...Partly cloudy. Lows around 50. Highs in the upper
70s.

$$

WYZ302-202230-
North Laramie Range/Medicine Bow NF-
226 AM MDT Sun May 20 2018

.TODAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy.
                    Patchy fog until 1000. Slight chance of showers
                    after 0800 until 1200.
Max temperature.....52-58.
   24 hr trend......12 degrees warmer.
Min humidity........58-64 percent.
   24 hr trend......23 percent drier.
20-foot winds.......Southeast around 10 mph and gusty.
LAL.................1 until 1500, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing height.......1700-3700 ft AGL.
Smoke dispersal.....Poor (21900-35400 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....41-46.
   24 hr trend......10 degrees warmer.
Max humidity........81-87 percent.
   24 hr trend......14 percent drier.
Humidity recovery...Good.
20-foot winds.......Southeast around 10 mph shifting to the
                    southwest after midnight. Gusts up to 25 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 20 mph becoming southwest around
                    10 mph after midnight.
Mixing height.......500-2400 ft AGL.
Smoke dispersal.....Poor (6900-27800 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.MONDAY...
Sky/weather.........Mostly sunny until 0900, then partly cloudy.
                    Slight chance of showers and thunderstorms
                    after 1200.
Max temperature.....66-72.
   24 hr trend......14 degrees warmer.
Min humidity........25-31 percent.
   24 hr trend......30 percent drier.
20-foot winds.......Southwest around 5 mph and gusty.
LAL.................1 until 1200, then 3.
Chc of wetting rain.5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......2600-3900 ft AGL increasing to 12500-13700 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (27000 knot-ft) increasing to excellent
                    (156200 knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 7...
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the upper 60s. Southeast winds
around 5 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the mid 40s. Highs in the upper 60s. Southwest winds
around 5 mph.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s.
Southwest winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs around 70.

$$

WYZ303-202230-
Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains-
226 AM MDT Sun May 20 2018

.TODAY...
Sky/weather.........Partly cloudy. Patchy fog until 0700. Slight
                    chance of showers and thunderstorms after 1200.
Max temperature.....61-67.
   24 hr trend......16 degrees warmer.
Min humidity........29-35 percent.
   24 hr trend......43 percent drier.
20-foot winds.......East around 5 mph and gusty.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph shifting to the south
                    in the afternoon.
Mixing height.......1500-2300 ft AGL increasing to 8600-10600 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor to fair (13100-50300 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
                    until 2100. slight chance of showers until
                    2400.
Min temperature.....41-46.
   24 hr trend......7 degrees warmer.
Max humidity........77-83 percent.
   24 hr trend......14 percent drier.
Humidity recovery...Good.
20-foot winds.......Southeast around 10 mph shifting to the south
                    after midnight. Gusts up to 20 mph.
LAL.................2 until 2100, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph shifting to the
                    southwest after midnight.
Mixing height.......1600-3600 ft AGL decreasing to 600-1100 ft AGL
                    after midnight.
Smoke dispersal.....Poor (7900-24900 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.MONDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
                    Slight chance of showers and thunderstorms
                    after 1200.
Max temperature.....70-75.
   24 hr trend......8 degrees warmer.
Min humidity........14-20 percent.
   24 hr trend......11 percent drier.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1 until 0900, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......1900-3900 ft AGL increasing to 13000-14800 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (30100 knot-ft) increasing to excellent
                    (196800 knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 7...
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the mid 40s. Highs in the lower 70s. Southeast winds
around 5 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the lower 40s. Highs in the lower 70s. Southwest winds
around 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the
lower 70s. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers. Lows in the
mid 40s. Highs in the mid 70s.
.SATURDAY...Partly cloudy with slight chance of showers. Lows in
the mid 40s. Highs in the mid 70s.

$$

WYZ304-202230-
Southwest Carbon County-
226 AM MDT Sun May 20 2018

.TODAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
                    Slight chance of showers and thunderstorms
                    after 1200.
Max temperature.....66-71.
   24 hr trend......5 degrees warmer.
Min humidity........19-25 percent.
   24 hr trend......20 percent drier.
20-foot winds.......East around 5 mph shifting to the southwest in
                    the afternoon. Gusts up to 15 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....East around 5 mph shifting to the southwest in
                    the afternoon.
Mixing height.......2000-3100 ft AGL increasing to 12000-12900 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (9100 knot-ft) increasing to good (75700
                    knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy until 2100, then mostly cloudy
                    until 2400, then mostly clear. Slight chance of
                    thunderstorms until 2100. slight chance of
                    showers until 2400.
Min temperature.....40-45.
   24 hr trend......5 degrees warmer.
Max humidity........75-81 percent.
   24 hr trend......13 percent drier.
Humidity recovery...Good.
20-foot winds.......Southeast 5 to 10 mph.
LAL.................2 until 2100, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing height.......600-2300 ft AGL.
Smoke dispersal.....Poor (6000-16200 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.MONDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
Max temperature.....72-77.
   24 hr trend......7 degrees warmer.
Min humidity........10-16 percent.
   24 hr trend......9 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.......2300-3500 ft AGL increasing to 13600-14500 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (32000 knot-ft) increasing to excellent
                    (204100 knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 7...
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the mid 40s. Highs in the lower 70s. South winds around
5 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the lower 40s. Highs in the lower 70s.
South winds around 10 mph.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
70s. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers. Lows in the
lower 40s. Highs in the mid 70s.
.SATURDAY...Partly cloudy. Slight chance of showers. Lows in the
mid 40s. Highs in the upper 70s.

$$

WYZ305-202230-
Sierra Madre Range/Medicine Bow NF-
226 AM MDT Sun May 20 2018

.TODAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
                    Slight chance of showers and snow showers until
                    1200, then chance of showers and thunderstorms.
Max temperature.....56-64.
   24 hr trend......14 degrees warmer.
Min humidity........30-36 percent.
   24 hr trend......17 percent drier.
20-foot winds.......Southeast around 5 mph shifting to the west and
                    gusty in the afternoon.
LAL.................1 until 1200, then 2 until 1500, then 3.
Chc of wetting rain.5 percent.
Transport winds.....Southwest 5 to 10 mph.
Mixing height.......2800-3800 ft AGL increasing to 10900-12200 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (13100 knot-ft) increasing to good (92700
                    knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy until 2100, then mostly cloudy
                    until 2400, then partly cloudy. Slight chance
                    of thunderstorms until 2100. chance of showers
                    until 2400.
Min temperature.....40-45.
   24 hr trend......5 degrees warmer.
Max humidity........67-73 percent.
   24 hr trend......9 percent drier.
Humidity recovery...Good.
20-foot winds.......South around 5 mph.
LAL.................3 until 2100, then 1.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......800-2800 ft AGL.
Smoke dispersal.....Poor (8000-19600 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.MONDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
                    Slight chance of showers and thunderstorms
                    after 1200.
Max temperature.....62-70.
   24 hr trend......6 degrees warmer.
Min humidity........19-25 percent.
   24 hr trend......10 percent drier.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1 until 0900, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing height.......4500-6500 ft AGL increasing to 12700-14000 ft
                    AGL in the afternoon.
Smoke dispersal.....Good (66800 knot-ft) increasing to excellent
                    (179700 knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 7...
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the lower 40s. Highs in the mid 60s. South winds around
5 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the lower 40s. Highs in the mid 60s. South winds around
10 mph.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the upper 60s.
.SATURDAY...Partly cloudy with slight chance of showers. Lows in
the lower 40s. Highs in the upper 60s.

$$

WYZ306-202230-
Upper North Platte River Basin-
226 AM MDT Sun May 20 2018

.TODAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
                    Slight chance of thunderstorms after 1200 until
                    1500. chance of showers after 1200. chance of
                    thunderstorms after 1500.
Max temperature.....62-67.
   24 hr trend......8 degrees warmer.
Min humidity........25-31 percent.
   24 hr trend......18 percent drier.
20-foot winds.......Southeast around 5 mph shifting to the
                    northwest and gusty in the afternoon.
LAL.................1 until 1200, then 2 until 1500, then 3.
Chc of wetting rain.5 percent.
Transport winds.....Southeast around 5 mph shifting to the west in
                    the afternoon.
Mixing height.......2400-3300 ft AGL increasing to 11400-12400 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (10500 knot-ft) increasing to good (68200
                    knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy until 2100, then mostly cloudy
                    until 2400, then partly cloudy. Slight chance
                    of thunderstorms until 2100. chance of showers
                    until 2400.
Min temperature.....39-44.
   24 hr trend......7 degrees warmer.
Max humidity........77-83 percent.
   24 hr trend......10 percent drier.
Humidity recovery...Good.
20-foot winds.......South around 5 mph.
LAL.................2 until 2100, then 1.
Chc of wetting rain.5 percent.
Transport winds.....South 10 to 15 mph.
Mixing height.......3500-4300 ft AGL decreasing to 600-1100 ft AGL
                    after midnight.
Smoke dispersal.....Poor (6800-32300 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.MONDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
                    Slight chance of showers and thunderstorms
                    after 1200.
Max temperature.....70-75.
   24 hr trend......8 degrees warmer.
Min humidity........14-20 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......3400-5200 ft AGL increasing to 14400-15100 ft
                    AGL in the afternoon.
Smoke dispersal.....Fair (40100 knot-ft) increasing to excellent
                    (181100 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the lower 40s. Highs in the lower 70s. South winds around
5 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the lower 40s. Highs around 70. South winds around
10 mph.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the lower 70s.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 70s.

$$

WYZ307-202230-
Snowy Range/Medicine Bow NF-
226 AM MDT Sun May 20 2018

.TODAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny
                    until 1200, then partly cloudy until 1500, then
                    mostly cloudy. Slight chance of showers and
                    snow showers until 1200, then chance of showers
                    and thunderstorms.
Max temperature.....52-60.
   24 hr trend......15 degrees warmer.
Min humidity........35-41 percent.
   24 hr trend......39 percent drier.
20-foot winds.......South around 5 mph shifting to the west and
                    gusty in the afternoon.
LAL.................1 until 1200, then 2 until 1500, then 3.
Chc of wetting rain.10 percent.
Transport winds.....Southwest 5 to 10 mph.
Mixing height.......1700-2800 ft AGL increasing to 9200-11200 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (10900 knot-ft) increasing to good (78900
                    knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy until 2100, then mostly cloudy
                    until 2400, then partly cloudy. Slight chance
                    of thunderstorms until 2100. chance of showers
                    until 2400.
Min temperature.....37-42.
   24 hr trend......7 degrees warmer.
Max humidity........76-82 percent.
   24 hr trend......24 percent drier.
Humidity recovery...Good.
20-foot winds.......South around 5 mph.
LAL.................2 until 2100, then 1.
Chc of wetting rain.5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......2000-3100 ft AGL decreasing to 600-1100 ft AGL
                    after midnight.
Smoke dispersal.....Poor (8200-28300 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.MONDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
                    Slight chance of showers until 1200. slight
                    chance of thunderstorms after 0900 until 1200,
                    then chance of showers and thunderstorms.
Max temperature.....60-68.
   24 hr trend......8 degrees warmer.
Min humidity........20-26 percent.
   24 hr trend......14 percent drier.
20-foot winds.......Southwest around 5 mph and gusty.
LAL.................1 until 0900, then 2 until 1200, then 3.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 15 mph.
Mixing height.......5300-7300 ft AGL increasing to 12900-14600 ft
                    AGL in the afternoon.
Smoke dispersal.....Good (74000 knot-ft) increasing to excellent
                    (160000 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.TUESDAY...Partly cloudy. Showers likely and chance of
thunderstorms. Lows in the upper 30s. Highs in the mid 60s.
Southeast winds around 5 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the upper 30s. Highs in the lower 60s. Southwest winds
around 10 mph.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 30s. Highs in the mid 60s.
Southwest winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 30s. Highs in the mid 60s.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 30s. Highs in the mid
60s.

$$

WYZ308-202230-
Laramie Valley/Shirley Basin-
226 AM MDT Sun May 20 2018

.TODAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy.
                    Patchy fog until 0800. Slight chance of showers
                    and thunderstorms after 1200.
Max temperature.....57-62.
   24 hr trend......15 degrees warmer.
Min humidity........42-48 percent.
   24 hr trend......26 percent drier.
20-foot winds.......Southeast around 10 mph and gusty.
LAL.................1 until 1200, then 2.
Chc of wetting rain.5 percent.
Transport winds.....Southeast 10 to 15 mph.
Mixing height.......1800-2300 ft AGL increasing to 4300-6300 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to fair (23000-48300 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
                    until 2100. slight chance of showers until
                    2400.
Min temperature.....37-42.
   24 hr trend......5 degrees warmer.
Max humidity........85-91 percent.
   24 hr trend......11 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southeast 5 to 10 mph.
LAL.................2 until 2100, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing height.......500-1900 ft AGL.
Smoke dispersal.....Poor (5700-21000 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.MONDAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny
                    until 1200, then partly cloudy. Slight chance
                    of showers and thunderstorms after 1200.
Max temperature.....69-74.
   24 hr trend......11 degrees warmer.
Min humidity........18-24 percent.
   24 hr trend......19 percent drier.
20-foot winds.......Southwest around 5 mph and gusty.
LAL.................1 until 1200, then 3.
Chc of wetting rain.5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......1600-3600 ft AGL increasing to 12300-14300 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (18900 knot-ft) increasing to excellent
                    (151500 knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 7...
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the lower 40s. Highs in the lower 70s. Southeast winds
around 5 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the lower 40s. Highs in the lower 70s. Southwest winds
around 5 mph.
.THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the
lower 70s. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the lower 70s.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the lower 70s.

$$

WYZ309-202230-
South Laramie Range/Medicine Bow NF-
226 AM MDT Sun May 20 2018

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM MDT THIS MORNING...

.TODAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy.
                    Patchy dense fog until 1100. Slight chance of
                    light freezing rain until 0700. slight chance
                    of showers. slight chance of thunderstorms
                    after 1500.
Max temperature.....50-58.
   24 hr trend......13 degrees warmer.
Min humidity........61-67 percent.
   24 hr trend......16 percent drier.
20-foot winds.......Southeast around 10 mph and gusty.
LAL.................1 until 1200, then 2.
Chc of wetting rain.5 percent.
Transport winds.....South around 15 mph.
Mixing height.......1800-3400 ft AGL.
Smoke dispersal.....Poor (28300-31200 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....39-44.
   24 hr trend......4 degrees warmer.
Max humidity........89-95 percent.
   24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South around 10 mph and gusty.
LAL.................2 until 2100, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing height.......600-2300 ft AGL.
Smoke dispersal.....Poor (8100-29300 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.MONDAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny
                    until 1200, then partly cloudy. Chance of
                    showers and thunderstorms after 1200.
Max temperature.....68-74.
   24 hr trend......16 degrees warmer.
Min humidity........25-31 percent.
   24 hr trend......39 percent drier.
20-foot winds.......Southwest around 5 mph shifting to the south in
                    the afternoon. Gusts up to 15 mph.
LAL.................1 until 1200, then 3.
Chc of wetting rain.5 percent.
Transport winds.....Southwest 5 to 10 mph.
Mixing height.......2400-4400 ft AGL increasing to 10800-12800 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (21900 knot-ft) increasing to very good
                    (111000 knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 7...
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. South
winds around 5 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the mid 40s. Highs in the lower 70s. Southwest winds
around 5 mph.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 70s. Winds
generally less than 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s.

$$

WYZ310-202230-
Platte/Goshen/Central and Eastern Laramie-
226 AM MDT Sun May 20 2018

.TODAY...
Sky/weather.........Mostly cloudy until 1500, then partly cloudy.
                    Patchy fog until 0900.
Max temperature.....57-62.
   24 hr trend......13 degrees warmer.
Min humidity........53-59 percent.
   24 hr trend......24 percent drier.
20-foot winds.......Southeast 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 10 to 15 mph.
Mixing height.......3100-4300 ft AGL.
Smoke dispersal.....Poor to fair (29700-48100 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....41-46.
   24 hr trend......5 degrees warmer.
Max humidity........91-97 percent.
   24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southeast around 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing height.......3000-4200 ft AGL decreasing to 700 ft AGL after
                    midnight.
Smoke dispersal.....Good (63400 knot-ft) decreasing to poor (10400
                    knot-ft) after midnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.MONDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms after 1200.
Max temperature.....73-78.
   24 hr trend......20 degrees warmer.
Min humidity........30-36 percent.
   24 hr trend......29 percent drier.
20-foot winds.......Southeast around 5 mph.
LAL.................1 until 1200, then 3.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing height.......800-1600 ft AGL increasing to 9200-11200 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (8300 knot-ft) increasing to good (77900
                    knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 7...
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 70s.
Southeast winds around 5 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows around 50. Highs in the upper 70s. South winds around 5 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 70s.
Winds generally less than 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows around 50. Highs in the upper 70s.
.SATURDAY...Partly cloudy. Lows around 50. Highs in the upper
70s.

$$

NEZ311-202230-
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
226 AM MDT Sun May 20 2018

.TODAY...
Sky/weather.........Mostly cloudy.
Max temperature.....59-64.
   24 hr trend......16 degrees warmer.
Min humidity........45-51 percent.
   24 hr trend......33 percent drier.
20-foot winds.......Southeast around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph.
Mixing height.......3400-5400 ft AGL.
Smoke dispersal.....Poor to fair (24500-46100 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......5 degrees warmer.
Max humidity........85-91 percent.
   24 hr trend......7 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southeast 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing height.......3700-5200 ft AGL decreasing to 500-1000 ft AGL
                    after midnight.
Smoke dispersal.....Good (64400 knot-ft) decreasing to poor (11400
                    knot-ft) after midnight.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.MONDAY...
Sky/weather.........Partly cloudy until 1200, then mostly sunny
                    until 1500, then partly cloudy.
Max temperature.....75-80.
   24 hr trend......18 degrees warmer.
Min humidity........34-40 percent.
   24 hr trend......13 percent drier.
20-foot winds.......South around 10 mph. Gusts up to 25 mph
                    decreasing to 15 mph in the afternoon.
LAL.................1 until 1500, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing height.......1300-1900 ft AGL increasing to 6800-8800 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to good (23900-67800 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 7...
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs around 80. Southeast
winds around 5 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the mid 50s. Highs in the upper 70s. South winds around
5 mph.
.THURSDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
Winds generally less than 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
.SATURDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s.

$$

NEZ312-202230-
Box Butte/South Sioux-
226 AM MDT Sun May 20 2018

.TODAY...
Sky/weather.........Mostly cloudy until 1500, then partly cloudy.
Max temperature.....58-63.
   24 hr trend......15 degrees warmer.
Min humidity........46-52 percent.
   24 hr trend......33 percent drier.
20-foot winds.......Southeast around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph.
Mixing height.......3300-5300 ft AGL.
Smoke dispersal.....Poor to fair (22500-41000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....43-48.
   24 hr trend......6 degrees warmer.
Max humidity........89-95 percent.
   24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southeast around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing height.......4400-4900 ft AGL decreasing to 500-1000 ft AGL
                    after midnight.
Smoke dispersal.....Good (65900 knot-ft) decreasing to poor (11300
                    knot-ft) after midnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.MONDAY...
Sky/weather.........Partly cloudy.
Max temperature.....74-79.
   24 hr trend......15 degrees warmer.
Min humidity........37-43 percent.
   24 hr trend......6 percent drier.
20-foot winds.......South around 10 mph and gusty.
LAL.................1 until 1500, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing height.......1200-1700 ft AGL increasing to 6000-7700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to good (21200-63800 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 7...
.TUESDAY...Warmer. Partly cloudy with slight chance of showers
and thunderstorms. Lows in the upper 40s. Highs around 80.
Southeast winds around 5 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the lower 50s. Highs around 80. Southeast winds around
5 mph.
.THURSDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
Winds generally less than 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows around 50. Highs in the lower 80s.
.SATURDAY...Partly cloudy. Lows around 50. Highs in the upper
70s.

$$

NEZ313-202230-
Scotts Bluff National Monument/Wildcat Hills-
226 AM MDT Sun May 20 2018

.TODAY...
Sky/weather.........Mostly cloudy. Patchy fog until 0700.
Max temperature.....58-63.
   24 hr trend......15 degrees warmer.
Min humidity........51-57 percent.
   24 hr trend......32 percent drier.
20-foot winds.......Southeast around 5 mph. Gusts up to 15 mph in
                    the afternoon.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph.
Mixing height.......3200-5200 ft AGL.
Smoke dispersal.....Poor (17600-33700 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....44-49.
   24 hr trend......6 degrees warmer.
Max humidity........91-97 percent.
   24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southeast around 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing height.......3900-4700 ft AGL decreasing to 700 ft AGL after
                    midnight.
Smoke dispersal.....Poor to fair (11400-58700 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.MONDAY...
Sky/weather.........Partly cloudy.
Max temperature.....75-80.
   24 hr trend......16 degrees warmer.
Min humidity........36-42 percent.
   24 hr trend......17 percent drier.
20-foot winds.......Southeast around 10 mph and gusty.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing height.......1200-1700 ft AGL increasing to 5600-7600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to fair (19200-55800 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 7...
.TUESDAY...Warmer. Partly cloudy with slight chance of showers
and thunderstorms. Lows in the upper 40s. Highs around 80.
Southeast winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
Southeast winds around 10 mph.
.THURSDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the
lower 80s. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
.SATURDAY...Partly cloudy. Lows in the lower 50s. Highs around
80.

$$


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