Washington County Fire Weather Forecast

Washington County-
Including Akron, Cope, Last Chance, and Otis
335 PM MDT Thu Aug 15 2019

.TONIGHT…
Sky/weather………Partly cloudy(40-50%). Slight chance of
thunderstorms after 0300.
Min Temperature…..55-59.
24 hr trend……2-4 degrees cooler.
Max Humidity……..100%.
24 hr trend……15-20% wetter.
20-foot winds…….Southeast winds 7-13 mph.
Haines Index……..5 or moderate.
LAL……………..1 until 2400, then 2.
CWR……………..0 percent.
15K FT MSL winds….West 25-35 mph.
Mixing height…….9500-10500 ft AGL until 2000. Below 1000 FT AGL
after 2100.
Transport winds…..South 10-15 mph.
Smoke dispersal…..Fair until 2100, then poor.

.FRIDAY…
Sky/weather………Partly cloudy(40-50%). Slight chance of
thunderstorms until 0800Slight chance of
thunderstorms after 1200 until 1600, then
chance of thunderstorms.
Max Temperature…..84-88.
24 hr trend……2-4 degrees cooler.
Min Humidity……..31-39%.
24 hr trend……Little change.
20-foot winds…….Southeast winds 8-14 mph.
Haines Index……..5 or moderate.
LAL……………..3 until 1200, then 4.
CWR……………..0 percent until 1200, then 10 percent.
15K FT MSL winds….West 25-35 mph.
Mixing height…….Below 1000 FT AGL until 0700, then 3500-4500 ft
AGL.
Transport winds…..Southeast around 10 mph until 1100, then light
until 1500, then southeast around 10 mph.
Smoke dispersal…..Poor.

.FRIDAY NIGHT…
Sky/weather………Mostly cloudy(60-65%) until 2100, then partly
cloudy(30-40%). Chance of thunderstorms until
2400.
Min Temperature…..53-57.
24 hr trend……Little change.
Max Humidity……..96-99%.
24 hr trend……Little change.
20-foot winds…….South winds 6-12 mph. Gusts up to 20 mph in the
evening.
Haines Index……..4 or low.
LAL……………..4 until 2400, then 1.
CWR……………..10 percent until 2400, then 0 percent.
15K FT MSL winds….West 20-30 mph.
Mixing height…….2000-3000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds…..Southwest 10-15 mph.
Smoke dispersal…..Poor.

.SATURDAY…
Sky/weather………Mostly sunny until 1500, then partly
cloudy(40-50%).
Max Temperature…..89-93.
24 hr trend……2-4 degrees warmer.
Min Humidity……..22-28%.
24 hr trend……7-10% drier.
20-foot winds…….West winds 4-12 mph. Gusts up to 25 mph in the
afternoon.
Haines Index……..5 or moderate.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….West 30-40 mph.
Mixing height…….Below 1000 FT AGL until 0900, then 7000-8000 ft
AGL.
Transport winds…..West 10-15 mph until 1600, then light.
Smoke dispersal…..Poor.

.SATURDAY NIGHT…Mostly clear. Slight chance of thunderstorms.
Lows in the mid 50s. South winds 5-8 mph.
.SUNDAY…Mostly clear. Highs in the lower 90s. South winds
6-12 mph.
.MONDAY…Mostly clear. Lows in the lower 60s. Highs in the mid
90s. South winds 6-12 mph.
.TUESDAY…Partly cloudy. Slight chance of thunderstorms. Lows in
the lower 60s. Highs in the lower 90s. Southeast winds 5-9 mph.

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