Washington County Fire Weather Forecast

Washington County-
Including Akron, Cope, Last Chance, and Otis
342 PM MDT Sat Sep 7 2019

.TONIGHT…
Sky/weather………Partly cloudy(50-60%) until 2100, then mostly
cloudy(60-65%) until 2400, then partly
cloudy(30-40%). Slight chance of thunderstorms
until 2400.
Min Temperature…..53-57.
24 hr trend……4-7 degrees cooler.
Max Humidity……..89-97%.
24 hr trend……2-4% wetter.
20-foot winds…….Southeast winds 5-9 mph.
Haines Index……..3 or very low.
LAL……………..3 until 2400, then 1.
CWR……………..10 percent until 2400, then 0 percent.
15K FT MSL winds….West 15-25 mph.
Mixing height…….3000-4000 ft AGL until 2400, then Below 1000 FT
AGL.
Transport winds…..North around 10 mph until 2000, then south
until 0200, then north.
Smoke dispersal…..Fair until 2100, then poor.

.SUNDAY…
Sky/weather………Partly cloudy(30-40%). Slight chance of
thunderstorms after 1200.
Max Temperature…..77-81.
24 hr trend……7-10 degrees cooler.
Min Humidity……..43-51%.
24 hr trend……20-25% wetter.
20-foot winds…….East winds 10-16 mph. Gusts up to 30 mph in the
afternoon.
Haines Index……..2 or very low.
LAL……………..1 until 1200, then 3.
CWR……………..0 percent.
15K FT MSL winds….Southwest 20-30 mph.
Mixing height…….Below 1000 FT AGL until 0700, then 3000-4000 ft
AGL.
Transport winds…..East 10-15 mph until 1500, then southeast 20-25
mph.
Smoke dispersal…..Poor until 1700, then fair.

.SUNDAY NIGHT…
Sky/weather………Mostly cloudy until 2400, then partly
cloudy(40-50%). Thunderstorms likely until
2400, then chance of thunderstorms.
Min Temperature…..53-57.
24 hr trend……Little change.
Max Humidity……..100%.
24 hr trend……4-7% wetter.
20-foot winds…….Southeast winds 9-15 mph. Gusts up to 30 mph
decreasing to 20 mph after midnight.
Haines Index……..3 or very low.
LAL……………..5 until 2400, then 4.
CWR……………..50 percent until 2400, then 10 percent.
15K FT MSL winds….Southwest 20-30 mph.
Mixing height…….1500-2500 ft AGL.
Transport winds…..Southeast 20-25 mph until 2100, then southwest
10-15 mph.
Smoke dispersal…..Fair until 2100, then poor.

.MONDAY…
Sky/weather………Mostly sunny.
Max Temperature…..83-87.
24 hr trend……4-7 degrees warmer.
Min Humidity……..22-32%.
24 hr trend……20-25% drier.
20-foot winds…….West winds 6-12 mph shifting to the north 4-13
mph with gusts to 20 mph in the afternoon.
Haines Index……..3 or very low.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….Southwest 20-30 mph.
Mixing height…….8000-9000 ft AGL.
Transport winds…..West 10-15 mph until 1500, then light.
Smoke dispersal…..Poor until 1400, then fair.

.MONDAY NIGHT…Mostly clear. Lows in the mid 50s. Southeast
winds 5-9 mph.
.TUESDAY…Mostly clear. Slight chance of thunderstorms. Highs in
the upper 80s. South winds 8-14 mph.
.WEDNESDAY…Mostly clear. Slight chance of thunderstorms. Lows
in the upper 50s. Highs in the upper 80s. South winds 8-14 mph.
.THURSDAY…Not as warm. Mostly clear. Slight chance of
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
Northwest winds 8-14 mph.

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