Washington County-
Including Akron, Cope, Last Chance, and Otis
329 PM MDT Fri Oct 18 2019
.TONIGHT…
Sky/weather………Partly cloudy(35-45%) until 2400, then clear.
Isolated rain showers until 1900.
Min Temperature…..29-33.
24 hr trend……10-15 degrees cooler.
Max Humidity……..73-83%.
24 hr trend……35-50% wetter.
20-foot winds…….Northwest winds 6-12 mph. Gusts up to 25 mph in
the evening.
Haines Index……..2 or very low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….West 25-35 mph.
Mixing height…….1500-2500 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds…..North 20-25 mph until 2000, then northwest
around 15 mph.
Smoke dispersal…..Poor.
.SATURDAY…
Sky/weather………Mostly sunny.
Max Temperature…..64-68.
24 hr trend……Little change.
Min Humidity……..13-17%.
24 hr trend……4-7% drier.
20-foot winds…….Southwest winds 9-15 mph.
Haines Index……..3 or very low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….West 30-40 mph.
Mixing height…….Below 1000 FT AGL until 1000, then 6000-7000 ft
AGL.
Transport winds…..Southwest 10-15 mph until 1700, then south
around 20 mph.
Smoke dispersal…..Poor until 1200, then good.
.SATURDAY NIGHT…
Sky/weather………Partly cloudy(30-40%).
Min Temperature…..33-37.
24 hr trend……4-7 degrees warmer.
Max Humidity……..49-59%.
24 hr trend……25-35% drier.
20-foot winds…….South winds 12-18 mph shifting to the southwest
11-17 mph after midnight. Gusts up to 30 mph.
Haines Index……..4 or low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….Southwest 35-45 mph.
Mixing height…….3000-4000 ft AGL until 2100, then Below 1000 FT
AGL until 0200, then 1000 ft AGL.
Transport winds…..Southwest 20-25 mph until 0100. West after
0500.
Smoke dispersal…..Fair until 2100, then poor.
.SUNDAY…
Sky/weather………Partly cloudy(40-50%) until 1200, then mostly
cloudy. Patchy blowing dust after 0900. Slight
chance of rain showers after 1200.
Max Temperature…..52-56.
24 hr trend……10-15 degrees cooler.
Min Humidity……..19-25%.
24 hr trend……4-7% wetter.
20-foot winds…….Windy. Northwest winds 22-32 mph with gusts to
50 mph.
Haines Index……..3 or very low.
LAL……………..1.
CWR……………..0 percent until 1200, then 10 percent.
15K FT MSL winds….West 35-45 mph.
Mixing height…….Below 1000 FT AGL until 0700, then 10000-11000
ft AGL.
Transport winds…..West 25-30 mph until 0800, then northwest 35-40
mph.
Smoke dispersal…..Poor until 0800. Excellent after 1700.
.SUNDAY NIGHT…Breezy. Mostly clear. Lows in the upper 20s.
Northwest winds 16-26 mph.
.MONDAY…Partly cloudy. Highs in the lower 50s. Northwest winds
14-24 mph.
.TUESDAY…Warmer. Mostly clear. Lows in the upper 20s. Highs in
the mid 60s. West winds 8-14 mph.
.WEDNESDAY…Partly cloudy. Chance of rain. Lows in the mid 30s.
Highs around 60. Northwest winds 8-14 mph.