Washington County-
Including Akron, Cope, Last Chance, and Otis
355 PM MDT Sat Sep 21 2019
.TONIGHT…
Sky/weather………Partly cloudy(50-60%) until 2100, then mostly
cloudy until 0300, then partly cloudy(50-60%).
Chance of thunderstorms until 2400, then chance
of rain showers until 0400, then slight chance
of rain showers until 0500.
Min Temperature…..41-45.
24 hr trend……4-7 degrees cooler.
Max Humidity……..87-95%.
24 hr trend……25-35% wetter.
20-foot winds…….North winds 11-17 mph. Gusts up to 35 mph
decreasing to 20 mph after midnight.
Haines Index……..3 or very low.
LAL……………..4 until 2400, then 1.
CWR……………..10 percent.
15K FT MSL winds….Southwest 30-40 mph.
Mixing height…….1500-2500 ft AGL until 0500, then Below 1000 FT
AGL.
Transport winds…..North 20-25 mph until 0300, then northwest
10-15 mph.
Smoke dispersal…..Fair until 2100, then poor.
.SUNDAY…
Sky/weather………Mostly sunny.
Max Temperature…..73-77.
24 hr trend……2-4 degrees cooler.
Min Humidity……..19-23%.
24 hr trend……Little change.
20-foot winds…….West winds 4-12 mph.
Haines Index……..2 or very low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….West 35-45 mph.
Mixing height…….Below 1000 FT AGL until 0700, then 6500-7500 ft
AGL.
Transport winds…..Light winds until 0800, then west 10-15 mph.
Smoke dispersal…..Poor until 1200, then good.
.SUNDAY NIGHT…
Sky/weather………Mostly clear.
Min Temperature…..45-49.
24 hr trend……2-4 degrees warmer.
Max Humidity……..77-87%.
24 hr trend……7-10% drier.
20-foot winds…….South winds 6-12 mph with gusts to 20 mph.
Haines Index……..2 or very low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….West 30-40 mph.
Mixing height…….4500-5500 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds…..Light winds until 2000, then south 10-15 mph
until 0200, then 15-20 mph.
Smoke dispersal…..Poor.
.MONDAY…
Sky/weather………Partly cloudy(35-45%).
Max Temperature…..80-84.
24 hr trend……4-7 degrees warmer.
Min Humidity……..18-24%.
24 hr trend……Little change.
20-foot winds…….South winds 6-12 mph.
Haines Index……..5 or moderate.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….West 15-20 mph.
Mixing height…….Below 1000 FT AGL until 1000, then 5500-6500 ft
AGL.
Transport winds…..South 10-15 mph.
Smoke dispersal…..Poor.
.MONDAY NIGHT…Partly cloudy. Lows in the upper 40s. Southeast
winds 5-8 mph.
.TUESDAY…Mostly clear. Highs in the lower 80s. Northwest winds
5-9 mph.
.WEDNESDAY…Mostly clear. Lows in the upper 40s. Highs in the
mid 70s. Northeast winds 8-14 mph.
.THURSDAY…Partly cloudy. Slight chance of thunderstorms. Lows
in the mid 40s. Highs in the upper 70s. South winds 12-18 mph.