Washington County Fire Weather Forecast

Washington County-
Including Akron, Cope, Last Chance, and Otis
251 PM MDT Wed Aug 21 2019

.TONIGHT…
Sky/weather………Mostly cloudy. Chance of thunderstorms until
2400, then chance of rain showers and slight
chance of thunderstorms.
Min Temperature…..57-61.
24 hr trend……Little change.
Max Humidity……..98-100%.
24 hr trend……Little change.
20-foot winds…….Southeast winds 7-13 mph. Gusts up to 20 mph in
the evening.
Haines Index……..3 or very low.
LAL……………..4 until 2400, then 3.
CWR……………..0 percent.
15K FT MSL winds….Light and variable.
Mixing height…….1500-2500 ft AGL.
Transport winds…..East 15-20 mph until 2100, then southeast
around 10 mph.
Smoke dispersal…..Poor.

.THURSDAY…
Sky/weather………Mostly cloudy(60-65%) until 1200, then partly
cloudy(40-50%). Slight chance of thunderstorms
after 1500.
Max Temperature…..80-84.
24 hr trend……Little change.
Min Humidity……..42-52%.
24 hr trend……Little change.
20-foot winds…….Southeast winds 10-20 mph.
Haines Index……..4 or low.
LAL……………..1 until 1200, then 3.
CWR……………..0 percent.
15K FT MSL winds….Northwest around 15 mph.
Mixing height…….5000-6000 ft AGL.
Transport winds…..Southeast 10-15 mph until 1400, then around 20
mph.
Smoke dispersal…..Poor until 1400, then good.

.THURSDAY NIGHT…
Sky/weather………Partly cloudy(50-60%) until 2100, then mostly
cloudy(60-65%). Slight chance of thunderstorms.
Chance of rain showers after 2000 until 2100.
Min Temperature…..57-61.
24 hr trend……Little change.
Max Humidity……..97-99%.
24 hr trend……Little change.
20-foot winds…….Southeast winds 10-16 mph with gusts to 30 mph.
Haines Index……..4 or low.
LAL……………..3.
CWR……………..0 percent.
15K FT MSL winds….Southwest around 15 mph.
Mixing height…….2000-3000 ft AGL until 2300, then Below 1000 FT
AGL until 0400, then 1000 ft AGL.
Transport winds…..South 20-25 mph until 2000, then around 15 mph.
Smoke dispersal…..Good until 2000, then poor.

.FRIDAY…
Sky/weather………Mostly cloudy(60-65%) until 1200, then partly
cloudy(50-60%). Chance of rain showers and
slight chance of thunderstorms after 1200.
Max Temperature…..83-87.
24 hr trend……2-4 degrees warmer.
Min Humidity……..37-47%.
24 hr trend……Little change.
20-foot winds…….Southeast winds 8-14 mph with gusts to 20 mph.
Haines Index……..5 or moderate.
LAL……………..1 until 1200, then 3.
CWR……………..0 percent until 1200, then 10 percent.
15K FT MSL winds….Northwest around 15 mph.
Mixing height…….8500-9500 ft AGL.
Transport winds…..South 10-15 mph until 1300, then light until
1600, then southeast around 10 mph.
Smoke dispersal…..Poor until 1700, then good.

.FRIDAY NIGHT…Partly cloudy. Slight chance of thunderstorms.
Lows in the upper 50s. Southeast winds 9-15 mph.
.SATURDAY…Partly cloudy. Highs around 90. South winds 7-13 mph.
.SUNDAY…Mostly clear. Slight chance of thunderstorms. Lows in
the lower 60s. Highs in the lower 90s. West winds 7-13 mph.
.MONDAY…Clear. Slight chance of thunderstorms. Lows in the
upper 50s. Highs in the upper 80s. Northeast winds 8-14 mph.

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