Suppression Forecast
Issued by NWS Denver/Boulder, CO

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FNUS75 KBOU 241102
FWSBOU

Spot Forecast for Forsythe II...USFS
National Weather Service Denver/Boulder CO
502 AM MDT Sat May 24 2025

If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...It will be mostly cloudy and cooler today. The
increase in moisture will fuel numerous showers and thunderstorms
this afternoon and evening. A cool and moist airmass will remain
over the area through Monday with showers and thunderstorms
expected each afternoon/evening. Other than gusty erratic winds
winds near thunderstorms, winds will generally be light and an
easterly direction the next few days.

.TODAY...

Sky/weather.........Mostly cloudy (60-70 percent). Slight chance of
                    rain showers until 1200, then rain showers
                    likely and chance of thunderstorms.
CWR.................5 percent increasing to 25 percent in the
                    afternoon.
Chance of pcpn......60 percent.
Chance of thunder...48 percent.
Max temperature.....Around 64.
Min humidity........53 percent.
Wind (20 ft)........Variable up to 5 mph until 1100, then east 4 to
                    10 mph. Gusty and erratic winds expected near
                    thunderstorms after 1200.
Mixing height.......Below 1000 FT AGL until 0800, then 3500 ft AGL.
Transport winds.....South 8 to 9 mph until 0800, then southwest 8
                    to 11 mph until 1200, then southeast around 9
                    mph until 1300, then light until 1400, then
                    east 8 to 11 mph until 1600, then south around
                    9 mph until 1700, then light.
Smoke dispersal.....Poor.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........46  48  47  45  48  52  72  72  75  77  79  81
Weather cov.....SCH SCH SCH SCH SCH SCH LKY LKY LKY LKY LKY LKY
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........                        CHC CHC CHC CHC CHC CHC
CWR.............10  10  10  10  10  10  30  30  30  30  30  30
Chc of pcpn (%).20  20  20  20  20  20  60  60  60  60  60  60
Chc of thdr (%).0   0   0   10  10  10  40  40  40  50  50  50
Temp............44  46  49  53  58  59  60  60  62  59  59  58
RH..............69  67  67  64  56  55  55  57  53  59  59  63
20 FT wind dir..SW  S   E   E   E   E   E   E   E   E   E   E
20 FT wind spd..3   2   2   3   3   5   6   6   6   6   6   5
20 FT wind gust.6   3   3   6   6   7   9   9   9   9   9   7
Mix hgt (kft)...0.7 0.9 1.4 1.7 2.4 3.1 3.9 3.6 2.8 2.6 2.6 3.0
Transp wind dir.S   SE  S   SW  SW  SW  SE  E   E   E   S   E
Transp wind spd.6   7   7   7   8   9   9   7   9   8   9   7
Vrate kt-ft/1K..3   5   9   10  17  25  31  22  23  18  21  18
SmokeDispersion.P   P   P   P   P   P   P   P   P   P   P   P

.TONIGHT...

Sky/weather.........Cloudy (85-95 percent). Rain showers likely and
                    chance of thunderstorms until 2400, then chance
                    of rain showers.
CWR.................34 percent decreasing to 19 percent overnight.
Chance of pcpn......70 percent.
Chance of thunder...36 percent.
Min temperature.....Around 43.
Max humidity........100 percent.
Wind (20 ft)........East to northeast winds 3 to 8 mph. Gusty and
                    erratic winds expected near thunderstorms.
Mixing height.......1400 ft AGL until 2000, then Below 1000 FT AGL
                    until 2100, then 1000 ft AGL.
Transport winds.....East around 9 mph until 1900, then 8 to 10 mph
                    until 2100, then northeast 8 to 9 mph until
                    2300, then 8 to 10 mph until 0100, then
                    northeast 8 to 10 mph until 0500, then light.
Smoke dispersal.....Poor.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........83  84  86  91  93  90  88  88  89  90  88  87
Weather cov.....LKY LKY LKY LKY LKY LKY CHC CHC CHC CHC CHC CHC
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........CHC CHC CHC SCH SCH SCH
CWR.............30  30  30  30  30  30  20  20  20  20  20  20
Chc of pcpn (%).70  70  70  70  70  70  40  40  40  40  40  40
Chc of thdr (%).40  40  40  20  20  20  10  10  10  0   0   0
Temp............56  53  51  49  48  47  45  44  44  44  43  43
RH..............69  80  86  93  93  93  100 100 100 100 100 100
20 FT wind dir..E   NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
20 FT wind spd..5   3   2   2   2   2   2   2   2   2   2   1
20 FT wind gust.16  14  13  12  10  10  9   8   8   7   7   7
Mix hgt (kft)...1.7 1.4 0.9 1.1 1.0 1.2 1.4 1.5 1.6 1.7 1.7 1.7
Transp wind dir.E   E   NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
Transp wind spd.9   7   7   6   7   7   7   7   7   7   7   6
Vrate kt-ft/1K..14  8   6   5   6   7   8   9   9   10  10  9
SmokeDispersion.P   P   P   P   P   P   P   P   P   P   P   P

.SUNDAY...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain
                    showers until 1200, then rain showers and
                    chance of thunderstorms.
CWR.................20 percent increasing to 87 percent in the
                    afternoon.
Chance of pcpn......90 percent.
Chance of thunder...54 percent.
Max temperature.....Around 55.
Min humidity........77 percent.
Wind (20 ft)........East 5 to 10 mph. Gusty and erratic winds
                    expected near thunderstorms after 1200.
Mixing height.......2500 ft AGL.
Transport winds.....East 8 to 9 mph until 0800, then southeast 8 to
                    11 mph until 1500, then northeast 8 to 10 mph.
Smoke dispersal.....Poor.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........84  78  72  66  75  85  94  94  94  94  94  94
Weather cov.....CHC CHC CHC CHC CHC CHC DEF DEF DEF DEF DEF DEF
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........                        CHC CHC CHC CHC CHC CHC
CWR.............20  20  20  20  20  20  90  90  90  90  90  90
Chc of pcpn (%).50  50  50  50  50  50  90  90  90  90  90  90
Chc of thdr (%).0   0   0   10  10  10  50  50  50  50  50  50
Temp............43  45  47  49  51  53  54  54  52  51  50  49
RH..............100 98  94  87  83  78  77  78  82  86  86  86
20 FT wind dir..NE  E   E   E   E   E   E   E   E   E   E   E
20 FT wind spd..1   1   1   2   3   5   6   6   6   5   5   3
20 FT wind gust.7   7   8   9   12  14  15  15  15  14  14  13
Mix hgt (kft)...1.7 1.7 1.7 1.7 2.0 2.3 2.5 2.3 2.0 1.8 1.7 1.6
Transp wind dir.E   E   SE  SE  SE  SE  E   E   E   E   E   NE
Transp wind spd.6   6   7   7   8   9   10  9   8   7   7   8
Vrate kt-ft/1K..9   9   10  10  14  18  23  18  14  11  11  10
SmokeDispersion.P   P   P   P   P   P   P   P   P   P   P   P

.FORECAST DAYS 3 THROUGH 5...
.MEMORIAL DAY...
Mostly cloudy with showers with thunderstorms likely. Lows in the
lower 40s. Highs in the upper 50s. Variable winds less than
10 mph.
.TUESDAY...
Mostly cloudy. Showers likely and chance of thunderstorms. Lows
around 40. Highs in the mid 60s. Variable winds less than 10 mph.
.WEDNESDAY...
Mostly cloudy with showers likely and chance of thunderstorms.
Lows in the lower 40s. Highs in the lower 60s. Variable winds
less than 10 mph.

$$
Forecaster...Meier
Requested by...Luke Finn
Type of request...PRESCRIBED
.TAG 2514252.5/BOU
.DELDT 05/24/25
.FormatterVersion 2.0.0
.EMAIL luke.finn@usda.gov