Spot Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
936
FNUS75 KBOU 021751
FWSBOU
Spot Forecast for Frisco - North Ten Mile Piles...Summit Fire and EMS Fire Protection District
National Weather Service Denver/Boulder CO
1051 AM MST Tue Dec 2 2025
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...Challenging snowfall forecast for Summit County
Wednesday due southeast surface winds possibly producing
downslope drier air. Most models still show snow showers through
the morning hours with up to 2 inches of snow during the day
Wednesday. Best chance for snow on Wednesday will be during the
morning hours. Smoke dispersal is expected to be poor all day
Wednesday and improves to fair to good on Thursday. Total snowfall
of 1 to 5 inches is expected for this event.
.WEDNESDAY...
Sky/weather.........Cloudy with periods of snow, mainly during
the morning hours.
CWR.................56 percent in the morning, then decreasing to
13 percent late in the afternoon.
Chance of pcpn......90 percent.
Chance of thunder...7 percent.
Max temperature.....Around 24.
Min humidity........65 percent.
Wind (20 ft)........Southeast 4 to 9 mph until 1500, then
turning east.
Mixing height.......3300 ft AGL.
Transport winds.....Southeast 8 to 9 mph until 1000, then 8 to 10
mph until 1200, then 8 to 9 mph until 1400,
then southeast 8 to 9 mph until 1600, then 8 to
10 mph.
Smoke dispersal.....Poor.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........96 98 100 100 100 100 99 99 99 93 90 81
Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF CHC
Weather type....SN SN SN SN SN SN SN SN SN SN SN SN
Tstm cov........
CWR.............10 10 10 10 10 60 60 60 50 50 50 10
Chc of pcpn (%).90 90 90 90 90 90 90 90 80 80 80 30
Chc of thdr (%).0 0 0 0 0 10 10 10 10 10 10 0
Temp............13 13 14 16 20 23 24 24 23 22 20 17
RH..............100 100 100 96 81 68 65 65 65 71 74 84
20 FT wind dir..S SE SE SE SE SE SE SE SE E E NE
20 FT wind spd..5 3 3 5 5 5 6 6 6 6 5 3
20 FT wind gust.7 6 6 7 7 7 9 9 9 9 12 14
Mix hgt (kft)...1.9 1.8 1.9 2.6 3.0 3.6 3.6 3.5 3.5 3.0 2.5 2.0
Transp wind dir.SE SE SE SE SE SE SE SE SE SE SE SE
Transp wind spd.6 6 6 6 7 7 6 6 6 6 7 7
Vrate kt-ft/1K..9 9 10 13 18 22 18 18 18 15 15 12
SmokeDispersion.P P P P P P P P P P P P
.WEDNESDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70 percent) until 2300, then
partly cloudy (40-50 percent). Chance of snow
until 2300.
CWR.................13 percent decreasing to 1 percent late in the
evening.
Chance of pcpn......30 percent.
Chance of thunder...0 percent.
Min temperature.....Around zero.
Max humidity........95 percent.
Wind (20 ft)........South to southwest south 3 to 8 mph.
Mixing height.......1300 ft AGL.
Transport winds.....Southeast 8 to 10 mph until 2000, then south
until 2200, then south 8 to 10 mph until 2400,
then light until 0100, then southwest 8 to 11
mph.
Smoke dispersal.....Poor.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........76 71 66 59 53 46 46 45 45 46 48 49
Weather cov.....CHC CHC CHC CHC CHC
Weather type....SN SN SN SN SN
Tstm cov........
CWR.............10 10 10 10 10 0 0 0 0 0 0 0
Chc of pcpn (%).30 30 30 30 30 0 0 0 0 0 0 0
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............16 15 14 14 13 11 9 7 6 4 3 2
RH..............84 84 80 73 73 73 72 76 76 83 87 91
20 FT wind dir..E SE S S SW SW SW SW SW SW SW SW
20 FT wind spd..3 3 3 3 3 3 3 3 3 3 5 5
20 FT wind gust.13 12 10 9 9 9 9 9 9 9 10 10
Mix hgt (kft)...1.8 1.6 1.3 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.4
Transp wind dir.SE SE S S S S SW SW SW SW W W
Transp wind spd.7 7 7 7 7 7 7 8 8 8 8 8
Vrate kt-ft/1K..11 9 8 8 8 9 9 10 10 10 10 10
SmokeDispersion.P P P P P P P P P P P P
.THURSDAY...
Sky/weather.........Partly cloudy (30-40 percent) until 1000, then
mostly sunny (15-25 percent) until 1700, then
partly cloudy (20-30 percent).
CWR.................1 percent.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 29.
Min humidity........40 percent.
Wind (20 ft)........West winds 5 to 8 mph until 1000, then 7 to 14
mph with gusts to around 25 mph.
Mixing height.......3200 ft AGL.
Transport winds.....West 8 to 16 mph until 1100, then 14 to 23 mph.
Smoke dispersal.....Poor until 1000, then fair until 1100, then
good until 1500, then fair until 1600, then
poor.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........45 40 36 28 20 12 14 15 17 20 24 27
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............1 2 4 10 18 24 27 29 28 26 23 20
RH..............95 95 91 76 59 50 44 40 40 44 47 54
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..5 6 6 7 7 8 9 9 9 9 8 8
20 FT wind gust.10 12 13 15 17 20 22 23 24 24 23 22
Mix hgt (kft)...1.3 1.3 1.2 2.1 2.9 3.8 3.9 4.1 4.3 3.4 2.5 1.6
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.8 9 9 13 16 20 21 22 23 20 17 14
Vrate kt-ft/1K..9 10 10 23 41 64 71 78 85 57 37 19
SmokeDispersion.P P P P F G G G G F P P
$$
Forecaster...Meier
Requested by...Doug Lesch
Type of request...PRESCRIBED
.TAG 2526784.0/BOU
.DELDT 12/02/25
.FormatterVersion 2.0.0
.EMAIL dlesch@summitfire.org