- Warnings
- Observations
- Forecasts
- Text Messages
- Forecast Models
- Climate
- Weather Safety
- Education/Outreach
- Information Center
- Contact Us
RSS Feeds
Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
000
FNUS55 KBOU 181130
FWFBOU
Fire Weather Forecast for Northeast and North Central Colorado
National Weather Service Denver/Boulder CO
530 AM MDT Thu Apr 18 2024
.DISCUSSION...Today and tonight...Scattered rain and snow showers
today, with low clouds over the east. Smoke dispersal will be very
good over and west of the Front Range this afternoon, and poor
east of the Front Range.
LONG TERM DISCUSSION...Friday through Monday...Unsettled weather
pattern with periods of showers across the mountains and plains
through Saturday. Mountains will see scattered showers each
afternoon from Saturday through early next week. Conditions dry
out starting Sunday with warmer temperatures. Fair smoke dispersal
Friday with the exception of the Front Range. Poor dispersal
across the plains Saturday while good across the west slope.
...Thunderstorms imply strong gusty erratic winds...
...All surface winds are 20-Foot...10-Minute averaged winds...
...CWR is Chance of Wetting Rain - 0.10 inch or more liquid...
...24 HR Trends are based on averages over the respective zone
groups and may not match the actual forecast values
shown in those groups...
COZ238-182345-
Larimer County Below 6000 Feet/Northwest Weld County-
Including Fort Collins, Hereford, Loveland, Nunn,
and West Pawnee Grasslands
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Cloudy. Chance of snow showers until 1100, then
slight chance of snow showers. Slight chance of
rain showers after 1200.
Max Temperature.....38-42.
24 hr trend......25-35 degrees cooler.
Min Humidity........49-59%.
24 hr trend......25-35% wetter.
20-foot winds.......Northeast winds 6-13 mph until 1200, then
southeast. Gusts up to 20 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 60-70 mph.
Mixing height.......4000-5000 ft AGL.
Transport winds.....Northeast 10-15 mph until 1200. South after
1500.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Cloudy. Chance of rain and snow showers.
Min Temperature.....28-32.
24 hr trend......2-4 degrees warmer.
Max Humidity........87-97%.
24 hr trend......Little change.
20-foot winds.......Southeast winds 4-9 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent increasing to 20 percent after
midnight.
15K FT MSL winds....West 60-70 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....Southeast around 10 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Slight chance of rain and snow
showers until 1200, then chance of snow showers
until 1600. Chance of rain showers after 1200.
Max Temperature.....43-49.
24 hr trend......4-7 degrees warmer.
Min Humidity........50-56%.
24 hr trend......Little change.
20-foot winds.......Northeast winds 7-15 mph. Gusts up to 25 mph in
the afternoon.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......3500-4500 ft AGL.
Transport winds.....Northeast around 10 mph until 1100, then 15-20
mph.
Smoke dispersal.....Poor until 1200, then fair.
.FRIDAY NIGHT...Snow showers and rain showers likely. Lows in the
upper 20s. East winds 5-12 mph.
.SATURDAY...Mostly cloudy. Chance of snow showers and rain
showers. Highs in the lower 40s. East winds 6-13 mph.
.SUNDAY...Warmer. Partly cloudy. Slight chance of rain showers.
Lows in the upper 20s. Highs in the upper 60s. Southwest winds
7-14 mph.
.MONDAY...Partly cloudy. Slight chance of thunderstorms. Lows
around 40. Highs in the upper 60s. North winds 10-17 mph.
$$
COZ239-182345-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
Including Arvada, Boulder, Golden, Lakewood, and Longmont
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Cloudy. Chance of rain and snow showers until
1200, then slight chance of rain and snow
showers.
Max Temperature.....39-43.
24 hr trend......25-35 degrees cooler.
Min Humidity........58-64%.
24 hr trend......35-50% wetter.
20-foot winds.......Northeast winds 6-13 mph with gusts to around
25 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................20 percent decreasing to 10 percent in the
afternoon.
15K FT MSL winds....West 50-60 mph.
Mixing height.......3000-4000 ft AGL.
Transport winds.....Northeast 10-15 mph until 1200, then east.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of rain showers. Slight
chance of snow showers after 2400.
Min Temperature.....30-36.
24 hr trend......2-4 degrees warmer.
Max Humidity........85-95%.
24 hr trend......4-7% drier.
20-foot winds.......Northeast winds 4-9 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Southeast around 10 mph until 2100, then light.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Slight chance of snow showers
until 0900. Slight chance of rain showers until
1200, then chance of rain showers and slight
chance of thunderstorms.
Max Temperature.....48-54.
24 hr trend......7-10 degrees warmer.
Min Humidity........46-54%.
24 hr trend......10-15% drier.
20-foot winds.......North winds 6-14 mph.
Haines Index........2 or very low.
LAL.................1 until 1200, then 2.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....West 40-50 mph.
Mixing height.......3000-4000 ft AGL.
Transport winds.....Light winds until 0700, then north 10-15 mph.
Smoke dispersal.....Poor.
.FRIDAY NIGHT...Rain showers, snow showers and slight chance of
thunderstorms. Lows in the lower 30s. Northeast winds 4-9 mph.
.SATURDAY...Mostly cloudy. Rain showers likely with possible snow
showers and thunderstorms. Highs in the upper 40s. Northeast
winds 4-9 mph.
.SUNDAY...Warmer. Partly cloudy. Slight chance of rain showers.
Lows in the mid 30s. Highs in the upper 60s. South winds
6-12 mph.
.MONDAY...Mostly cloudy. Slight chance of thunderstorms. Lows in
the mid 40s. Highs in the lower 70s. Northwest winds 8-15 mph.
$$
COZ240-182345-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Including Aurora, Brighton, City of Denver,
Denver International Airport, Highlands Ranch, Littleton,
and Parker
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Cloudy. Chance of snow showers and rain showers
until 1200, then slight chance of rain and snow
showers.
Max Temperature.....40-44.
24 hr trend......25-35 degrees cooler.
Min Humidity........54-58%.
24 hr trend......35-50% wetter.
20-foot winds.......Northeast winds 7-14 mph with gusts to around
20 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......3000-4000 ft AGL.
Transport winds.....Northeast 10-15 mph until 1200, then southeast.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
until 0500.
Min Temperature.....31-35.
24 hr trend......Little change.
Max Humidity........81-91%.
24 hr trend......7-10% drier.
20-foot winds.......Southeast winds 5-12 mph. Gusts up to 20 mph in
the evening.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Southeast around 10 mph until 0500, then
northwest.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy(40-50%) until 1200, then mostly
cloudy. Chance of rain showers after 1200.
Slight chance of thunderstorms after 1500.
Max Temperature.....52-56.
24 hr trend......10-15 degrees warmer.
Min Humidity........41-45%.
24 hr trend......10-15% drier.
20-foot winds.......Northwest winds 6-12 mph until 1200, then
northeast 10-16 mph with gusts to around 25
mph.
Haines Index........2 or very low.
LAL.................1 until 1200, then 2.
CWR.................0 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....West 40-50 mph.
Mixing height.......4000-5000 ft AGL.
Transport winds.....West around 10 mph until 0900, then north.
Smoke dispersal.....Poor.
.FRIDAY NIGHT...Rain showers, snow showers and slight chance of
thunderstorms. Lows in the lower 30s. Northeast winds 7-14 mph.
.SATURDAY...Mostly cloudy. Chance of rain and snow showers. Highs
in the upper 40s. East winds 7-14 mph.
.SUNDAY...Warmer. Partly cloudy. Slight chance of rain showers.
Lows in the mid 30s. Highs in the lower 70s. Southeast winds
6-13 mph.
.MONDAY...Mostly cloudy. Slight chance of thunderstorms. Lows in
the mid 40s. Highs in the lower 70s. Northeast winds 9-15 mph.
$$
COZ241-182345-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Mostly cloudy. Chance of snow showers until
1100, then slight chance of snow showers until
1500. Slight chance of rain showers after 1200.
Max Temperature.....40-44.
24 hr trend......25-35 degrees cooler.
Min Humidity........54-64%.
24 hr trend......35-50% wetter.
20-foot winds.......Northeast winds 7-14 mph until 1200, then east
9-15 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 45-55 mph.
Mixing height.......3000-4000 ft AGL.
Transport winds.....Northeast 10-15 mph until 1100, then southeast.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
until 0400.
Min Temperature.....28-32.
24 hr trend......Little change.
Max Humidity........86-96%.
24 hr trend......2-4% drier.
20-foot winds.......Southeast winds 8-16 mph. Gusts up to 20 mph
increasing to 30 mph after midnight.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 50-60 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....South 15-20 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(50-60%) until 0900, then partly
cloudy(35-45%) until 1200, then mostly cloudy.
Chance of rain showers after 1200. Slight
chance of thunderstorms after 1500.
Max Temperature.....52-56.
24 hr trend......10-15 degrees warmer.
Min Humidity........41-47%.
24 hr trend......15-20% drier.
20-foot winds.......South winds 8-15 mph until 1200, then northeast
9-15 mph. Gusts up to 25 mph.
Haines Index........2 or very low.
LAL.................1 until 1200, then 2.
CWR.................0 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....West 35-45 mph.
Mixing height.......4000-5000 ft AGL.
Transport winds.....Southwest 15-20 mph until 0900, then west
around 10 mph until 1100, then north.
Smoke dispersal.....Poor.
.FRIDAY NIGHT...Rain showers with possible snow showers and
thunderstorms likely. Lows around 30. Northeast winds 7-14 mph.
.SATURDAY...Mostly cloudy. Chance of rain and snow showers. Highs
in the mid 40s. South winds 8-15 mph.
.SUNDAY...Warmer. Partly cloudy. Slight chance of rain showers.
Lows in the lower 30s. Highs in the upper 60s. South winds
8-14 mph.
.MONDAY...Mostly cloudy. Slight chance of thunderstorms. Lows in
the lower 40s. Highs in the upper 60s. Northwest winds 10-16 mph.
$$
COZ243-182345-
Central and South Weld County-
Including Eaton, Fort Lupton, Greeley, and Roggen
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Cloudy. Chance of snow showers until 1000, then
slight chance of snow showers until 1400.
Slight chance of rain showers after 1100.
Max Temperature.....40-44.
24 hr trend......25-35 degrees cooler.
Min Humidity........50-58%.
24 hr trend......35-50% wetter.
20-foot winds.......Northeast winds 7-14 mph until 1200, then east
7-13 mph. Gusts up to 20 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent decreasing to 0 percent in the
afternoon.
15K FT MSL winds....West 55-65 mph.
Mixing height.......4000-5000 ft AGL.
Transport winds.....Northeast 10-15 mph until 1200, then southeast.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of rain showers. Chance
of snow showers after 2400.
Min Temperature.....29-33.
24 hr trend......Little change.
Max Humidity........86-96%.
24 hr trend......Little change.
20-foot winds.......East winds 6-13 mph. Gusts up to 20 mph in the
evening.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 55-65 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....Southeast 10-15 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Slight chance of snow showers
until 0900. Slight chance of rain showers until
1200, then chance of rain showers.
Max Temperature.....50-54.
24 hr trend......10-15 degrees warmer.
Min Humidity........45-53%.
24 hr trend......2-4% drier.
20-foot winds.......Northeast winds 8-16 mph. Gusts up to 25 mph in
the afternoon.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 45-55 mph.
Mixing height.......4000-5000 ft AGL.
Transport winds.....Northeast around 10 mph until 1100, then 10-15
mph.
Smoke dispersal.....Poor until 1400, then fair.
.FRIDAY NIGHT...Rain showers and snow showers. Lows in the lower
30s. Northeast winds 8-15 mph.
.SATURDAY...Mostly cloudy. Chance of rain and snow showers. Highs
in the upper 40s. East winds 8-15 mph.
.SUNDAY...Warmer. Partly cloudy. Slight chance of rain showers.
Lows around 30. Highs in the lower 70s. South winds 5-12 mph.
.MONDAY...Mostly cloudy. Slight chance of thunderstorms. Lows in
the lower 40s. Highs in the lower 70s. North winds 8-15 mph.
$$
COZ242-182345-
Northeast Weld County-
Including Briggsdale, East Pawnee Grasslands, Grover,
Pawnee Buttes, Raymer, and Stoneham
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Cloudy. Chance of snow showers until 1000, then
slight chance of snow showers until 1300.
Slight chance of rain showers after 1700.
Max Temperature.....40-44.
24 hr trend......25-35 degrees cooler.
Min Humidity........42-50%.
24 hr trend......20-25% wetter.
20-foot winds.......Northeast winds 7-15 mph with gusts to around
25 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent decreasing to 0 percent in the
afternoon.
15K FT MSL winds....West 65-75 mph.
Mixing height.......4000-5000 ft AGL.
Transport winds.....North 15-20 mph until 1100, then around 10 mph
until 1500, then west until 1700, then
southwest.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Cloudy. Slight chance of rain and snow showers
until 2400, then chance of rain and snow
showers until 0500, then slight chance of snow
showers.
Min Temperature.....28-32.
24 hr trend......Little change.
Max Humidity........82-92%.
24 hr trend......7-10% drier.
20-foot winds.......East winds 4-12 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent increasing to 20 percent after
midnight.
15K FT MSL winds....West 60-70 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....Light winds until 2000, then southeast 10-15
mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
until 1200. Chance of snow showers. Chance of
rain showers after 1200.
Max Temperature.....43-49.
24 hr trend......4-7 degrees warmer.
Min Humidity........47-55%.
24 hr trend......2-4% wetter.
20-foot winds.......East winds 8-16 mph with gusts to around 25
mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......3500-4500 ft AGL.
Transport winds.....Southeast 10-15 mph until 1100, then northeast
15-20 mph.
Smoke dispersal.....Fair until 1500, then good.
.FRIDAY NIGHT...Snow showers and rain showers likely. Lows in the
mid 20s. Northeast winds 7-14 mph.
.SATURDAY...Mostly cloudy. Chance of snow showers and slight
chance of rain showers. Highs in the lower 40s. East winds
9-16 mph.
.SUNDAY...Warmer. Partly cloudy. Chance of rain showers. Lows in
the upper 20s. Highs in the upper 60s. South winds 7-14 mph.
.MONDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the upper 30s. Highs in the upper 60s. North winds 12-17 mph.
$$
COZ244-182345-
Morgan County-
Including Brush, Fort Morgan, Goodrich, and Wiggins
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Cloudy. Chance of snow showers and rain showers
until 1200.
Max Temperature.....40-44.
24 hr trend......25-35 degrees cooler.
Min Humidity........44-52%.
24 hr trend......25-35% wetter.
20-foot winds.......Northeast winds 8-16 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent decreasing to 0 percent in the
afternoon.
15K FT MSL winds....West 55-65 mph.
Mixing height.......4500-5500 ft AGL.
Transport winds.....Northeast 10-15 mph until 1600, then east.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Cloudy. Slight chance of rain showers until
2400, then chance of rain and snow showers
until 0300, then slight chance of rain and snow
showers.
Min Temperature.....30-34.
24 hr trend......2-4 degrees warmer.
Max Humidity........78-86%.
24 hr trend......15-20% drier.
20-foot winds.......East winds 7-13 mph. Gusts up to 20 mph in the
evening.
Haines Index........2 or very low.
LAL.................1.
CWR.................0 percent increasing to 10 percent after
midnight.
15K FT MSL winds....West 55-65 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....Southeast 10-15 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Slight chance of snow showers
until 0900. Slight chance of rain showers.
Max Temperature.....51-55.
24 hr trend......10-15 degrees warmer.
Min Humidity........43-47%.
24 hr trend......Little change.
20-foot winds.......Southeast winds 10-17 mph until 1200, then
east. Gusts up to 25 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 45-55 mph.
Mixing height.......4500-5500 ft AGL.
Transport winds.....Southeast around 15 mph until 1200, then
northeast.
Smoke dispersal.....Fair until 1500, then good.
.FRIDAY NIGHT...Snow showers with rain showers likely. Lows in
the upper 20s. Northeast winds 9-16 mph.
.SATURDAY...Mostly cloudy. Chance of snow showers and slight
chance of rain showers. Highs in the mid 40s. Southeast winds
10-17 mph.
.SUNDAY...Warmer. Partly cloudy. Slight chance of rain showers.
Lows in the upper 20s. Highs in the lower 70s. South winds
6-13 mph.
.MONDAY...Mostly cloudy. Slight chance of thunderstorms. Lows
around 40. Highs around 70. North winds 10-16 mph.
$$
COZ245-182345-
Central and East Adams and Arapahoe Counties-
Including Bennett, Byers, Deer Trail, and Leader
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Cloudy. Chance of snow showers and rain showers
until 1200, then slight chance of rain and snow
showers.
Max Temperature.....39-43.
24 hr trend......25-35 degrees cooler.
Min Humidity........54-58%.
24 hr trend......35-50% wetter.
20-foot winds.......Northeast winds 9-15 mph with gusts to around
25 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent decreasing to 0 percent in the
afternoon.
15K FT MSL winds....West 50-60 mph.
Mixing height.......3500-4500 ft AGL.
Transport winds.....Northeast 10-15 mph until 1300, then east.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
until 0500. Slight chance of snow showers after
0300 until 0500.
Min Temperature.....29-33.
24 hr trend......Little change.
Max Humidity........82-90%.
24 hr trend......7-10% drier.
20-foot winds.......Southeast winds 8-14 mph. Gusts up to 20 mph
after midnight.
Haines Index........2 or very low.
LAL.................1.
CWR.................0 percent increasing to 10 percent after
midnight.
15K FT MSL winds....West 50-60 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....Southeast 10-15 mph until 0300, then 15-20 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(60-65%). Chance of rain showers
after 1200.
Max Temperature.....53-57.
24 hr trend......10-15 degrees warmer.
Min Humidity........41-45%.
24 hr trend......10-15% drier.
20-foot winds.......South winds 9-16 mph until 1200, then east 9-15
mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....West 40-50 mph.
Mixing height.......4500-5500 ft AGL.
Transport winds.....South around 15 mph until 1000. Northeast after
1400.
Smoke dispersal.....Poor.
.FRIDAY NIGHT...Rain showers and snow showers. Lows around 30.
Northeast winds 8-14 mph.
.SATURDAY...Mostly cloudy. Chance of rain and snow showers. Highs
in the upper 40s. Southeast winds 9-16 mph.
.SUNDAY...Warmer. Partly cloudy. Slight chance of rain showers.
Lows around 30. Highs around 70. South winds 7-14 mph.
.MONDAY...Mostly cloudy. Slight chance of thunderstorms. Lows in
the lower 40s. Highs around 70. North winds 12-16 mph.
$$
COZ248-182345-
Logan County-
Including Crook, Merino, Sterling, and Peetz
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
0700. Chance of snow showers until 0900, then
slight chance of snow showers until 1100.
Max Temperature.....43-47.
24 hr trend......25-35 degrees cooler.
Min Humidity........38-42%.
24 hr trend......15-20% wetter.
20-foot winds.......North winds 9-17 mph with gusts to around 25
mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent decreasing to 0 percent in the
afternoon.
15K FT MSL winds....West 60-70 mph.
Mixing height.......5000-6000 ft AGL.
Transport winds.....North 15-20 mph until 1200, then northwest
around 10 mph.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of rain and snow
showers until 2400, then chance of rain and
snow showers.
Min Temperature.....29-33.
24 hr trend......Little change.
Max Humidity........79-89%.
24 hr trend......15-20% drier.
20-foot winds.......Northeast winds 4-8 mph until 2400, then
southeast.
Haines Index........2 or very low.
LAL.................1.
CWR.................0 percent increasing to 10 percent after
midnight.
15K FT MSL winds....West 60-70 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....Northwest around 10 mph until 1900, then light
until 0200, then southeast around 10 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Slight chance of snow showers
until 1100. Slight chance of rain showers.
Max Temperature.....45-51.
24 hr trend......2-4 degrees warmer.
Min Humidity........45-53%.
24 hr trend......7-10% wetter.
20-foot winds.......East winds 8-16 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......4000-5000 ft AGL.
Transport winds.....Southeast 10-15 mph until 1400, then northeast.
Smoke dispersal.....Fair.
.FRIDAY NIGHT...Snow showers and rain showers likely. Lows in the
upper 20s. Northeast winds 7-14 mph.
.SATURDAY...Mostly cloudy. Chance of snow showers and slight
chance of rain showers. Highs in the lower 40s. Southeast winds
8-15 mph.
.SUNDAY...Warmer. Partly cloudy. Chance of rain showers. Lows in
the upper 20s. Highs in the upper 60s. South winds 8-13 mph.
.MONDAY...Mostly cloudy. Slight chance of thunderstorms. Lows in
the lower 40s. Highs in the upper 60s. North winds 12-18 mph.
$$
COZ249-250-182345-
Washington County-Sedgwick County-
Including Akron, Cope, Last Chance, Otis, Julesburg, Ovid,
and Sedgwick
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
0800. Chance of snow showers until 0900, then
slight chance of snow showers until 1100.
Max Temperature.....42-46.
24 hr trend......25-35 degrees cooler.
Min Humidity........41-51%.
24 hr trend......25-35% wetter.
20-foot winds.......Northeast winds 9-17 mph. Gusts up to 30 mph
decreasing to 20 mph in the afternoon.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent decreasing to 0 percent in the
afternoon.
15K FT MSL winds....West 55-65 mph.
Mixing height.......5000-6000 ft AGL.
Transport winds.....North 15-20 mph until 1300, then around 10 mph.
Smoke dispersal.....Fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
after 2300. Slight chance of snow showers after
2400.
Min Temperature.....29-33.
24 hr trend......Little change.
Max Humidity........75-85%.
24 hr trend......20-25% drier.
20-foot winds.......East winds 5-13 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................0 percent increasing to 10 percent after
midnight.
15K FT MSL winds....West 60-70 mph.
Mixing height.......2500-3500 ft AGL.
Transport winds.....East around 10 mph until 2400, then southeast.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Chance of snow showers until
1100. Chance of rain showers until 1200, then
slight chance of rain showers.
Max Temperature.....47-56.
24 hr trend......7-10 degrees warmer.
Min Humidity........42-50%.
24 hr trend......2-4% drier.
20-foot winds.......Southeast winds 10-20 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....West 45-55 mph.
Mixing height.......4500-5500 ft AGL.
Transport winds.....South 15-20 mph until 1400, then east.
Smoke dispersal.....Fair.
.FRIDAY NIGHT...Rain showers and snow showers likely. Lows in the
upper 20s. East winds 8-15 mph.
.SATURDAY...Mostly cloudy. Chance of snow showers and slight
chance of rain showers. Highs in the lower 40s. Southeast winds
9-16 mph.
.SUNDAY...Warmer. Partly cloudy. Slight chance of rain showers.
Lows in the upper 20s. Highs in the upper 60s. South winds
9-15 mph.
.MONDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the lower 40s. Highs in the upper 60s. Northwest winds 12-18 mph.
$$
COZ251-182345-
Phillips County-
Including Amherst, Haxtun, and Holyoke
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of rain and snow
showers until 1000.
Max Temperature.....44-48.
24 hr trend......25-35 degrees cooler.
Min Humidity........37-41%.
24 hr trend......15-20% wetter.
20-foot winds.......North winds 10-20 mph. Gusts up to 30 mph in
the morning.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent decreasing to 0 percent in the
afternoon.
15K FT MSL winds....West 60-70 mph.
Mixing height.......5000-6000 ft AGL.
Transport winds.....North 15-20 mph until 1700, then northwest
around 10 mph.
Smoke dispersal.....Fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of rain and snow
showers after 2400.
Min Temperature.....30-34.
24 hr trend......Little change.
Max Humidity........77-83%.
24 hr trend......15-20% drier.
20-foot winds.......Northeast winds 4-9 mph until 2400, then
southeast 4-8 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................0 percent increasing to 10 percent after
midnight.
15K FT MSL winds....West 65-75 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Northwest around 10 mph until 1900, then light
until 0300, then southeast around 10 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Slight chance of snow showers
until 1100. Slight chance of rain showers.
Max Temperature.....47-51.
24 hr trend......2-4 degrees warmer.
Min Humidity........43-51%.
24 hr trend......4-7% wetter.
20-foot winds.......Southeast winds 9-15 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 55-65 mph.
Mixing height.......4000-5000 ft AGL.
Transport winds.....Southeast 15-20 mph until 1400, then northeast
10-15 mph.
Smoke dispersal.....Poor.
.FRIDAY NIGHT...Rain showers and snow showers likely. Lows in the
upper 20s. Northeast winds 8-14 mph.
.SATURDAY...Mostly cloudy. Chance of snow showers and slight
chance of rain showers. Highs in the lower 40s. Southeast winds
7-13 mph.
.SUNDAY...Warmer. Partly cloudy. Chance of rain showers. Lows in
the upper 20s. Highs in the upper 60s. South winds 9-15 mph.
.MONDAY...Mostly cloudy. Chance of rain showers and slight chance
of thunderstorms. Lows in the lower 40s. Highs in the upper 60s.
Northwest winds 14-20 mph.
$$
COZ246-182345-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Including Agate, Hugo, Limon, and Matheson
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Mostly cloudy. Chance of snow showers and rain
showers until 1200.
Max Temperature.....40-46.
24 hr trend......25-35 degrees cooler.
Min Humidity........46-56%.
24 hr trend......25-35% wetter.
20-foot winds.......Northeast winds 10-18 mph. Gusts up to 30 mph
decreasing to 20 mph in the afternoon.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent decreasing to 0 percent in the
afternoon.
15K FT MSL winds....West 45-55 mph.
Mixing height.......3500-4500 ft AGL.
Transport winds.....Northeast 15-20 mph until 1100, then east
around 10 mph until 1600, then southeast.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
after 2100 until 0200.
Min Temperature.....27-31.
24 hr trend......Little change.
Max Humidity........82-92%.
24 hr trend......7-10% drier.
20-foot winds.......Southeast winds 7-15 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................0 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....Southeast 10-15 mph until 0200, then south
around 20 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(60-65%). Slight chance of rain
showers after 1200.
Max Temperature.....53-57.
24 hr trend......10-15 degrees warmer.
Min Humidity........41-45%.
24 hr trend......4-7% drier.
20-foot winds.......Breezy. South winds 16-26 mph until 1200, then
southeast 9-16 mph.
Haines Index........3 or very low.
LAL.................1.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....West 40-50 mph.
Mixing height.......4000-5000 ft AGL.
Transport winds.....South 20-25 mph until 1200, then around 15 mph
until 1400, then east until 1700, then
northeast.
Smoke dispersal.....Fair.
.FRIDAY NIGHT...Rain showers and snow showers likely. Lows in the
upper 20s. East winds 8-15 mph.
.SATURDAY...Cooler. Mostly cloudy. Chance of snow showers and
slight chance of rain showers. Highs in the mid 40s. Southeast
winds 10-17 mph.
.SUNDAY...Warmer. Partly cloudy. Lows in the upper 20s. Highs in
the upper 60s. South winds 10-17 mph.
.MONDAY...Partly cloudy. Slight chance of thunderstorms. Lows
around 40. Highs in the lower 70s. Northwest winds 12-16 mph.
$$
COZ247-182345-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Including Forder, Karval, Kutch, and Punkin Center
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Mostly cloudy.
Max Temperature.....47-55.
24 hr trend......25-35 degrees cooler.
Min Humidity........35-43%.
24 hr trend......20-25% wetter.
20-foot winds.......Northeast winds 12-22 mph. Gusts up to 35 mph
in the morning.
Haines Index........2 or very low.
LAL.................1.
CWR.................0 percent.
15K FT MSL winds....West 45-55 mph.
Mixing height.......4000-5000 ft AGL.
Transport winds.....North 20-25 mph until 0900, then northeast
10-15 mph until 1400, then southeast.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy.
Min Temperature.....28-32.
24 hr trend......2-4 degrees cooler.
Max Humidity........83-93%.
24 hr trend......4-7% wetter.
20-foot winds.......Southeast winds 8-15 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................0 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......2500-3500 ft AGL.
Transport winds.....Southeast 10-15 mph until 0200, then around 20
mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(50-60%) until 1200, then partly
cloudy(40-50%) until 1500, then mostly cloudy.
Max Temperature.....56-62.
24 hr trend......4-7 degrees warmer.
Min Humidity........34-40%.
24 hr trend......Little change.
20-foot winds.......Southeast winds 14-24 mph.
Haines Index........3 or very low.
LAL.................1.
CWR.................0 percent.
15K FT MSL winds....West 45-55 mph.
Mixing height.......4500-5500 ft AGL.
Transport winds.....Southeast 15-20 mph until 1600, then east.
Smoke dispersal.....Fair.
.FRIDAY NIGHT...Cloudy. Chance of rain and snow showers. Lows
around 30. East winds 10-17 mph.
.SATURDAY...Cooler. Mostly cloudy. Chance of rain and snow
showers. Highs in the mid 40s. Southeast winds 10-17 mph.
.SUNDAY...Warmer. Partly cloudy. Lows in the upper 20s. Highs in
the upper 60s. South winds 9-15 mph.
.MONDAY...Partly cloudy. Lows in the upper 30s. Highs in the mid
70s. North winds 10-16 mph.
$$
COZ215-182345-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including Estes Park, Glendevey, Laramie River Valley, Nederland,
and Red Feather Lakes
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Mostly cloudy. Chance of snow showers. Chance
of rain showers after 1600.
Max Temperature.....32-42.
24 hr trend......20-25 degrees cooler.
Min Humidity........54-64%.
24 hr trend......25-35% wetter.
20-foot winds.......
Valleys/lwr slopes...East winds 5-13 mph. Gusts up to 20 mph in
the afternoon.
Ridges/upr slopes....East winds 5-13 mph. Gusts up to 20 mph in
the afternoon.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......4500-5500 ft AGL.
Transport winds.....Southeast around 10 mph until 1100, then south.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of rain showers until
2200. Chance of snow showers.
Min Temperature.....23-29.
24 hr trend......Little change.
Max Humidity........87-97%.
24 hr trend......2-4% wetter.
20-foot winds.......
Valleys/lwr slopes...Southeast winds 4-9 mph. Gusts up to 20
mph in the evening.
Ridges/upr slopes....Southeast winds 4-9 mph. Gusts up to 20
mph in the evening.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....South around 10 mph until 0500, then southwest.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
until 1200. Chance of snow showers. Rain
showers likely and slight chance of
thunderstorms after 1200.
Max Temperature.....37-47.
24 hr trend......4-7 degrees warmer.
Min Humidity........53-63%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...Northeast winds 5-13 mph.
Ridges/upr slopes....Northeast winds 5-13 mph.
Haines Index........2 or very low.
LAL.................1 until 1200, then 3.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....West 45-55 mph.
Mixing height.......3500-4500 ft AGL.
Transport winds.....Northwest 10-15 mph until 1400, then northeast.
Smoke dispersal.....Poor.
.FRIDAY NIGHT...Snow showers. Lows in the mid 20s. East winds
4-9 mph.
.SATURDAY...Mostly cloudy. Snow showers likely and slight chance
of thunderstorms. Highs around 40. Southeast winds 5-12 mph.
.SUNDAY...Warmer. Partly cloudy. Chance of rain showers and
slight chance of thunderstorms. Lows in the upper 20s. Highs in
the upper 50s. West winds 9-16 mph.
.MONDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the upper 30s. Highs in the upper 50s. West winds 13-20 mph.
$$
COZ216-182345-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Including Bailey, Central City, Evergreen, Georgetown,
Idaho Springs, Northern Rampart Range, Tarryall, and Westcreek
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Mostly cloudy. Chance of snow showers. Chance
of rain showers after 1100.
Max Temperature.....35-45.
24 hr trend......20-25 degrees cooler.
Min Humidity........54-64%.
24 hr trend......25-35% wetter.
20-foot winds.......
Valleys/lwr slopes...East winds 5-13 mph. Gusts up to 20 mph in
the afternoon.
Ridges/upr slopes....East winds 5-13 mph. Gusts up to 20 mph in
the afternoon.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 45-55 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....East around 10 mph until 1200, then 10-15 mph.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of rain and snow showers
until 2400, then slight chance of rain and snow
showers.
Min Temperature.....27-33.
24 hr trend......2-4 degrees warmer.
Max Humidity........82-92%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...East winds 4-8 mph with gusts to around 20
mph until 2400, then south 4-7 mph.
Ridges/upr slopes....Southeast winds 4-9 mph until 2400, then
south. Gusts up to 20 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 45-55 mph.
Mixing height.......1500-2500 ft AGL until 0400, then Below 1000 FT
AGL.
Transport winds.....East around 10 mph until 2100, then light until
2400, then southwest around 10 mph until 0500,
then west.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy(40-50%) until 1200, then mostly
cloudy. Slight chance of rain and snow showers
until 1200, then chance of rain showers with
possible snow showers and thunderstorms likely.
Max Temperature.....45-55.
24 hr trend......10-15 degrees warmer.
Min Humidity........39-49%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...Northeast winds 6-14 mph.
Ridges/upr slopes....Northeast winds 6-14 mph.
Haines Index........3 or very low.
LAL.................1 until 1200, then 3.
CWR.................0 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....West 40-50 mph.
Mixing height.......3000-4000 ft AGL.
Transport winds.....West around 10 mph until 1100, then north.
Smoke dispersal.....Poor.
.FRIDAY NIGHT...Snow showers, rain showers and slight chance of
thunderstorms. Lows in the upper 20s. Northeast winds 4-9 mph.
.SATURDAY...Mostly cloudy. Snow showers, rain showers likely and
slight chance of thunderstorms. Highs in the mid 40s. East winds
5-12 mph.
.SUNDAY...Warmer. Partly cloudy. Slight chance of rain showers.
Lows in the lower 30s. Highs in the lower 60s. West winds
7-14 mph.
.MONDAY...Mostly cloudy. Slight chance of thunderstorms. Lows in
the upper 30s. Highs in the mid 60s. West winds 10-17 mph.
$$
COZ211-182345-
Jackson County Below 9000 Feet-
Including Gould, North Park, Rand, Spicer, and Walden
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of snow showers.
Max Temperature.....43-47.
24 hr trend......4-7 degrees cooler.
Min Humidity........32-40%.
24 hr trend......7-10% drier.
20-foot winds.......West winds 4-8 mph with gusts to around 20 mph
until 1200, then 13-20 mph with gusts to around
30 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent decreasing to 0 percent in the
afternoon.
15K FT MSL winds....West 50-60 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 5500-6500 ft
AGL.
Transport winds.....Light winds until 0800. West 20-25 mph after
1100.
Smoke dispersal.....Poor until 1100. Very good after 1400.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of snow showers.
Min Temperature.....23-27.
24 hr trend......Little change.
Max Humidity........76-86%.
24 hr trend......15-20% drier.
20-foot winds.......Southwest winds 4-7 mph. Gusts up to 30 mph in
the evening.
Haines Index........2 or very low.
LAL.................1.
CWR.................0 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......3500-4500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West 15-20 mph until 2000, then northwest
around 10 mph until 2100, then light until
2400, then southwest around 10 mph until 0500,
then light.
Smoke dispersal.....Good until 1900, then poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Slight chance of snow showers
until 1200, then chance of rain showers, snow
showers and slight chance of thunderstorms.
Max Temperature.....45-51.
24 hr trend......2-4 degrees warmer.
Min Humidity........38-46%.
24 hr trend......2-4% wetter.
20-foot winds.......Southwest winds 4-6 mph until 1200, then west
9-16 mph with gusts to around 25 mph.
Haines Index........3 or very low.
LAL.................1 until 1200, then 3.
CWR.................10 percent.
15K FT MSL winds....West 45-55 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 6000-7000 ft
AGL.
Transport winds.....West 10-15 mph until 1200, then 20-25 mph until
1700, then northwest around 15 mph.
Smoke dispersal.....Poor until 1100, then good until 1300, then
very good until 1700, then good.
.FRIDAY NIGHT...Cloudy. Chance of snow showers and rain showers.
Lows in the upper 20s. Northeast winds 4-8 mph.
.SATURDAY...Mostly cloudy. Chance of rain showers, snow showers
and slight chance of thunderstorms. Highs in the lower 50s. West
winds 5-12 mph.
.SUNDAY...Partly cloudy. Chance of rain showers. Lows in the
upper 20s. Highs in the mid 50s. West winds 10-17 mph.
.MONDAY...Mostly cloudy. Slight chance of thunderstorms. Lows in
the lower 30s. Highs in the mid 50s. Southwest winds 10-16 mph.
$$
COZ213-182345-
Grand and Summit Counties Below 9000 Feet-
Including Dillon, Fraser, Granby, Grand Lake,
Green Mountain Reservoir, Hot Sulphur Springs, Kremmling,
Middle Park, and Williams Fork Reservoir
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Mostly cloudy. Chance of snow showers until
1300. Slight chance of rain showers after 1100.
Slight chance of snow showers after 1300.
Max Temperature.....44-54.
24 hr trend......4-7 degrees cooler.
Min Humidity........33-43%.
24 hr trend......7-10% wetter.
20-foot winds.......West winds 4-9 mph with gusts to around 25 mph
until 1200, then 13-23 mph with gusts to around
35 mph.
Haines Index........3 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......6000-7000 ft AGL.
Transport winds.....Light winds until 0800. West 25-30 mph after
1300.
Smoke dispersal.....Poor until 1100. Very good after 1400.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of snow showers
until 2400. Slight chance of rain showers.
Chance of snow showers after 2400.
Min Temperature.....26-32.
24 hr trend......Little change.
Max Humidity........81-91%.
24 hr trend......10-15% drier.
20-foot winds.......Southwest winds 4-9 mph. Gusts up to 30 mph in
the evening.
Haines Index........3 or very low.
LAL.................1.
CWR.................0 percent increasing to 10 percent after
midnight.
15K FT MSL winds....West 50-60 mph.
Mixing height.......3000-4000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West 15-20 mph until 2000. Light after 2100.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Chance of snow showers until
1200. Chance of rain showers. Slight chance of
thunderstorms after 1200.
Max Temperature.....46-56.
24 hr trend......2-4 degrees warmer.
Min Humidity........38-48%.
24 hr trend......2-4% wetter.
20-foot winds.......West winds 6-14 mph.
Haines Index........3 or very low.
LAL.................1 until 1200, then 3.
CWR.................10 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....West 40-50 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 4500-5500 ft
AGL.
Transport winds.....West 10-15 mph until 1400, then 15-20 mph.
Smoke dispersal.....Poor until 1200, then good.
.FRIDAY NIGHT...Cloudy. Snow showers likely with possible rain
showers and thunderstorms. Lows around 30. East winds 4-8 mph.
.SATURDAY...Mostly cloudy. Rain showers likely with possible snow
showers and thunderstorms. Highs around 50. West winds 4-9 mph.
.SUNDAY...Partly cloudy. Slight chance of rain showers. Lows in
the upper 20s. Highs in the mid 50s. West winds 9-16 mph.
.MONDAY...Mostly cloudy. Slight chance of thunderstorms. Lows in
the lower 30s. Highs in the mid 50s. West winds 12-18 mph.
$$
COZ214-182345-
Central and Southeast Park County-
Including Eleven Mile Canyon Reservoir, Fairplay, Guffey,
Hartsel, Lake George, and South Park
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of snow showers
after 0900 until 1500. Slight chance of rain
showers after 1200.
Max Temperature.....48-56.
24 hr trend......2-4 degrees cooler.
Min Humidity........27-37%.
24 hr trend......10-15% wetter.
20-foot winds.......
Valleys/lwr slopes...Breezy. South winds 7-14 mph until 1200,
then west 17-27 mph. Gusts up to 40 mph.
Ridges/upr slopes....Breezy. Southwest winds 9-16 mph with
gusts to around 35 mph until 1200, then
19-29 mph with gusts to around 50 mph.
Haines Index........3 or very low.
LAL.................1.
CWR.................0 percent.
15K FT MSL winds....West 40-50 mph.
Mixing height.......8000-9000 ft AGL.
Transport winds.....Southwest 10-15 mph until 1000. West 30-35 mph
after 1200.
Smoke dispersal.....Poor until 1000. Excellent after 1400.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
until 2000. Slight chance of snow showers until
2400. Slight chance of rain showers after 2000
until 2100.
Min Temperature.....27-31.
24 hr trend......Little change.
Max Humidity........79-89%.
24 hr trend......2-4% wetter.
20-foot winds.......
Valleys/lwr slopes...South winds 7-15 mph. Gusts up to 35 mph
decreasing to 20 mph after midnight.
Ridges/upr slopes....South winds 7-15 mph. Gusts up to 45 mph
decreasing to 20 mph after midnight.
Haines Index........3 or very low.
LAL.................2 until 2400, then 1.
CWR.................0 percent.
15K FT MSL winds....West 45-55 mph.
Mixing height.......5000-6000 ft AGL until 2000. Below 1000 FT AGL
after 0400.
Transport winds.....West around 30 mph until 1900. Southwest 10-15
mph after 2200.
Smoke dispersal.....Very good until 1900, then poor.
.FRIDAY...
Sky/weather.........Partly cloudy(30-40%) until 1200, then mostly
cloudy(60-65%). Chance of snow showers after
1200 until 1300. Slight chance of thunderstorms
after 1200. Chance of snow showers after 1600.
Max Temperature.....50-60.
24 hr trend......2-4 degrees warmer.
Min Humidity........22-30%.
24 hr trend......2-4% drier.
20-foot winds.......
Valleys/lwr slopes...Breezy. Southwest winds 12-22 mph with
gusts to around 35 mph.
Ridges/upr slopes....Breezy. West winds 13-23 mph with gusts to
around 35 mph.
Haines Index........4 or low.
LAL.................1 until 1200, then 3.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....West 35-45 mph.
Mixing height.......Below 1000 FT AGL until 0700. 7500-8500 ft AGL
after 1100.
Transport winds.....Southwest 10-15 mph until 0900, then west 20-25
mph until 1200, then 25-30 mph until 1600, then
southwest around 20 mph until 1700, then south.
Smoke dispersal.....Poor until 1000, then good until 1100, then
excellent until 1500, then very good until
1700, then good.
.FRIDAY NIGHT...Cloudy. Chance of snow showers, rain showers and
slight chance of thunderstorms. Lows around 30. East winds
7-14 mph.
.SATURDAY...Mostly cloudy. Rain showers likely, slight chance of
thunderstorms and snow showers. Highs in the upper 40s. South
winds 8-15 mph.
.SUNDAY...Partly cloudy. Slight chance of rain showers. Lows in
the upper 20s. Highs in the upper 50s. West winds 9-16 mph.
.MONDAY...Partly cloudy. Lows in the mid 30s. Highs in the upper
50s. West winds 13-20 mph.
$$
COZ218-182345-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
Including Cameron Pass, Laramie and Medicine Bow Mountains,
Rabbit Ears Range, Rocky Mountain National Park,
and Willow Creek Pass
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Mostly cloudy. Snow showers likely until 0700,
then chance of snow showers.
Max Temperature.....32-42.
24 hr trend......7-10 degrees cooler.
Min Humidity........45-55%.
24 hr trend......2-4% wetter.
20-foot winds.......
Valleys/lwr slopes...West winds 9-17 mph. Gusts up to 25 mph
increasing to 35 mph in the afternoon.
Ridges/upr slopes....West winds 10-20 mph with gusts to around
35 mph.
Haines Index........3 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 4500-5500 ft
AGL.
Transport winds.....West 10-15 mph until 1000, then 20-25 mph.
Smoke dispersal.....Poor until 1100, then good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of snow showers.
Min Temperature.....20-28.
24 hr trend......Little change.
Max Humidity........78-88%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 5-13 mph. Gusts up to 30
mph in the evening.
Ridges/upr slopes....Southwest winds 6-14 mph. Gusts up to 35
mph decreasing to 25 mph after midnight.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......2000-3000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West 15-20 mph until 2000, then southwest
around 10 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Chance of snow showers until
1200, then snow showers likely and slight
chance of thunderstorms. Chance of rain showers
after 1500.
Max Temperature.....34-44.
24 hr trend......Little change.
Min Humidity........50-60%.
24 hr trend......2-4% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 9-17 mph with gusts to around
25 mph.
Ridges/upr slopes....West winds 10-18 mph with gusts to around
30 mph.
Haines Index........3 or very low.
LAL.................1 until 1200, then 3.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....West 45-55 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 4000-5000 ft
AGL.
Transport winds.....West 15-20 mph.
Smoke dispersal.....Poor until 1100, then good.
.FRIDAY NIGHT...Snow showers and slight chance of thunderstorms.
Lows in the lower 20s. East winds 5-12 mph.
.SATURDAY...Mostly cloudy. Snow showers likely and slight chance
of thunderstorms. Highs around 40. West winds 7-14 mph.
.SUNDAY...Partly cloudy. Chance of rain and snow showers. Lows in
the mid 20s. Highs in the upper 40s. West winds 12-18 mph.
.MONDAY...Mostly cloudy. Chance of snow showers, rain showers and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the mid 40s. West winds 14-24 mph.
$$
COZ212-182345-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-
Including Berthoud Pass, Breckenridge,
East Slopes Mosquito Range, East Slopes Southern Gore Range,
Eisenhower Tunnel, Indian Peaks, Kenosha Mountains,
Mount Blue Sky, Puma Hills, Tarryall Mountains,
Williams Fork Mountains, and Winter Park
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Mostly cloudy. Chance of snow showers.
Max Temperature.....36-46.
24 hr trend......10-15 degrees cooler.
Min Humidity........43-53%.
24 hr trend......15-20% wetter.
20-foot winds.......
Valleys/lwr slopes...Breezy. Southwest winds 10-17 mph until
1200, then west 17-27 mph. Gusts up to 45
mph.
Ridges/upr slopes....Windy. West winds 15-25 mph until 1200,
then 24-36 mph. Gusts up to 55 mph.
Haines Index........3 or very low.
LAL.................1.
CWR.................10 percent.
15K FT MSL winds....West 45-55 mph.
Mixing height.......5500-6500 ft AGL.
Transport winds.....West 15-20 mph until 1000, then 25-30 mph.
Smoke dispersal.....Poor until 1000. Very good after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
until 2100. Chance of snow showers.
Min Temperature.....23-31.
24 hr trend......Little change.
Max Humidity........77-87%.
24 hr trend......15-20% drier.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 9-17 mph. Gusts up to 40
mph decreasing to 25 mph after midnight.
Ridges/upr slopes....Breezy. Southwest winds 11-21 mph. Gusts
up to 55 mph decreasing to 35 mph after
midnight.
Haines Index........2 or very low.
LAL.................2 until 2400, then 1.
CWR.................10 percent.
15K FT MSL winds....West 50-60 mph.
Mixing height.......1500-2500 ft AGL until 0300, then Below 1000 FT
AGL.
Transport winds.....West 20-25 mph until 2000, then around 15 mph.
Smoke dispersal.....Fair until 2000, then poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(50-60%). Chance of snow showers
until 1200, then snow showers likely with
possible rain showers and thunderstorms.
Max Temperature.....39-49.
24 hr trend......7-10 degrees warmer.
Min Humidity........40-50%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 14-24 mph with gusts to around
40 mph.
Ridges/upr slopes....Windy. West winds 18-28 mph with gusts to
around 45 mph.
Haines Index........3 or very low.
LAL.................1 until 1200, then 3.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....West 40-50 mph.
Mixing height.......6000-7000 ft AGL.
Transport winds.....West 15-20 mph until 1000, then 25-30 mph until
1600, then 15-20 mph.
Smoke dispersal.....Poor until 1000, then very good until 1600,
then good.
.FRIDAY NIGHT...Snow showers and slight chance of thunderstorms.
Lows in the mid 20s. Southeast winds 6-13 mph.
.SATURDAY...Snow showers and slight chance of thunderstorms.
Highs in the lower 40s. West winds 8-15 mph.
.SUNDAY...Partly cloudy. Chance of rain and snow showers. Lows in
the mid 20s. Highs in the upper 40s. West winds 12-18 mph.
.MONDAY...Breezy. Partly cloudy. Slight chance of rain and snow
showers. Lows around 30. Highs in the upper 40s. West winds
15-25 mph.
$$
COZ217-182345-
West Jackson and West Grand Counties Above 9000 Feet-
Including East Slopes Park and Northern Gore Ranges, Gore Pass,
and Rabbit Ears Pass
530 AM MDT Thu Apr 18 2024
.TODAY...
Sky/weather.........Mostly cloudy. Chance of snow showers until
0800, then slight chance of snow showers until
1700.
Max Temperature.....36-46.
24 hr trend......4-7 degrees cooler.
Min Humidity........36-46%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 6-13 mph until 1200, then 14-24
mph. Gusts up to 35 mph.
Ridges/upr slopes....Breezy. West winds 8-15 mph until 1200,
then 16-26 mph. Gusts up to 40 mph.
Haines Index........2 or very low.
LAL.................1.
CWR.................10 percent decreasing to 0 percent in the
afternoon.
15K FT MSL winds....West 50-60 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 5000-6000 ft
AGL.
Transport winds.....West 10-15 mph until 1000, then 20-25 mph.
Smoke dispersal.....Poor until 1100, then good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of snow showers
after 0300.
Min Temperature.....22-28.
24 hr trend......Little change.
Max Humidity........66-76%.
24 hr trend......25-35% drier.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 5-13 mph. Gusts up to 35
mph in the evening.
Ridges/upr slopes....Southwest winds 5-13 mph. Gusts up to 40
mph decreasing to 25 mph after midnight.
Haines Index........2 or very low.
LAL.................1.
CWR.................0 percent.
15K FT MSL winds....West 45-55 mph.
Mixing height.......2500-3500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West 15-20 mph until 2000, then around 10 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Chance of snow showers until
1100, then slight chance of snow showers until
1200, then chance of snow showers, rain showers
and slight chance of thunderstorms.
Max Temperature.....39-49.
24 hr trend......2-4 degrees warmer.
Min Humidity........41-51%.
24 hr trend......7-10% wetter.
20-foot winds.......
Valleys/lwr slopes...West winds 9-17 mph with gusts to around
25 mph.
Ridges/upr slopes....West winds 10-20 mph with gusts to around
30 mph.
Haines Index........3 or very low.
LAL.................1 until 1200, then 3.
CWR.................10 percent.
15K FT MSL winds....West 40-50 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 5000-6000 ft
AGL.
Transport winds.....West 10-15 mph until 1200, then 15-20 mph.
Smoke dispersal.....Poor until 1200, then good.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers and slight
chance of thunderstorms. Lows in the upper 20s. East winds
6-13 mph.
.SATURDAY...Mostly cloudy. Chance of rain showers, slight chance
of thunderstorms and snow showers. Highs in the mid 40s. West
winds 8-15 mph.
.SUNDAY...Partly cloudy. Chance of rain and snow showers. Lows in
the upper 20s. Highs in the lower 50s. West winds 12-18 mph.
.MONDAY...Mostly cloudy. Slight chance of thunderstorms and snow
showers. Lows in the lower 30s. Highs around 50. West winds
12-18 mph.
$$
.Outlook 6 to 10 Days...
$$
- National Weather Service
- Grand Forks, ND Weather Forecast Office
- 4797 Technology Circle
- Grand Forks, ND 58203-0600
- 701-772-0720
- Page Author: FGF Webmaster
- Web Master's E-mail: w-fgf.webmaster@noaa.gov
- Page last modified: Sep 19th, 2023 19:10 UTC