Washington County Fire Weather Forecast

Washington County-
Including Akron, Cope, Last Chance, and Otis
225 PM MDT Sun Aug 18 2019

.TONIGHT…
Sky/weather………Mostly clear.
Min Temperature…..58-62.
24 hr trend……4-7 degrees warmer.
Max Humidity……..83-93%.
24 hr trend……10-15% drier.
20-foot winds…….South winds 8-14 mph. Gusts up to 20 mph in the
evening.
Haines Index……..5 or moderate.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….West 20-30 mph.
Mixing height…….4500-5500 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds…..South 15-20 mph.
Smoke dispersal…..Poor.

.MONDAY…
Sky/weather………Partly cloudy(30-40%) until 0900, then mostly
sunny.
Max Temperature…..94-98.
24 hr trend……7-10 degrees warmer.
Min Humidity……..16-22%.
24 hr trend……10-15% drier.
20-foot winds…….Southwest winds 8-14 mph shifting to the
southeast 6-12 mph in the afternoon.
Haines Index……..5 or moderate.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….Southwest 15-20 mph.
Mixing height…….Below 1000 FT AGL until 0900. 13000-14000 ft
AGL after 1300.
Transport winds…..Southwest 15-20 mph until 0900, then west
around 10 mph until 1200, then light until
1500, then south around 10 mph.
Smoke dispersal…..Poor until 1400, then good.

.MONDAY NIGHT…
Sky/weather………Partly cloudy(35-45%). Slight chance of
thunderstorms until 2400.
Min Temperature…..60-64.
24 hr trend……Little change.
Max Humidity……..66-76%.
24 hr trend……10-15% drier.
20-foot winds…….Southeast winds 7-13 mph shifting to the
southwest 5-9 mph after midnight.
Haines Index……..5 or moderate.
LAL……………..2 until 2400, then 1.
CWR……………..0 percent.
15K FT MSL winds….Southwest 15-20 mph.
Mixing height…….11500-12500 ft AGL until 2000. Below 1000 FT
AGL after 2100.
Transport winds…..West 10-15 mph.
Smoke dispersal…..Fair until 2100, then poor.

.TUESDAY…
Sky/weather………Partly cloudy(30-40%). Slight chance of
thunderstorms after 1200.
Max Temperature…..92-96.
24 hr trend……Little change.
Min Humidity……..23-29%.
24 hr trend……7-10% wetter.
20-foot winds…….Northwest winds 4-8 mph shifting to the east
8-14 mph with gusts to 20 mph in the afternoon.
Haines Index……..5 or moderate.
LAL……………..1 until 1200, then 3.
CWR……………..0 percent.
15K FT MSL winds….Light and variable.
Mixing height…….Below 1000 FT AGL until 1000. 12500-13500 ft
AGL after 1200.
Transport winds…..Northeast 10-15 mph.
Smoke dispersal…..Poor until 1200, then good.

.TUESDAY NIGHT…Partly cloudy. Chance of thunderstorms. Lows
around 60. East winds 7-13 mph.
.WEDNESDAY…Not as warm. Mostly cloudy. Chance of thunderstorms.
Highs in the lower 80s. East winds 8-14 mph.
.THURSDAY…Partly cloudy. Slight chance of thunderstorms. Lows
in the upper 50s. Highs in the mid 80s. South winds 9-15 mph.
.FRIDAY…Mostly clear. Slight chance of thunderstorms. Lows in
the upper 50s. Highs in the upper 80s. South winds 7-13 mph.

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