401
FNUS75 KBOU 091458
FWSBOU

Spot Forecast for TrailRidge...RMNP
National Weather Service Denver/Boulder CO
858 AM MDT Thu Oct 9 2025

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

.DISCUSSION...Mostly quiet weather is expected for Thursday with
max temperatures in the high 60s by the afternoon. Generally light
(5-15 mph at times) southwest winds will prevail. An isolated
rain shower is possible, mainly between 5-10 PM this evening.
However, best chance of precipitation will stay south of your
location.

On Friday and Saturday, a system will slowly move into our area.
Scattered to numerous showers are expected throughout both days
with thunderstorms possible in the afternoon. The biggest threat
with any thunderstorm will be lightning. Best chance for a lull in
precipitation will be Friday evening and late Saturday afternoon.
Morning temperatures for both days will be in the high 30s,
reaching up to high 50s to low 60s by the afternoon.

By Sunday, rain showers are still possible (~20%) in the morning
and early afternoon. Snow levels could dip to just below 9,500
feet. with the possibility of a light rain/snow mix at your
location. By the afternoon, drier conditions are expected to
return with temperatures in the low 50s.

.REST OF TODAY...

Sky/weather.........Mostly sunny (15-25 percent) until 1300, then
                    partly cloudy (30-40 percent) until 1500, then
                    mostly cloudy (55-65 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 67.
Min humidity........27 percent.
Surface winds (mph).Southwest winds 5 to 8 mph.
Snowfall amount.....0.0 inches.

TIME (MDT)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........18  34  40  54  62  62
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10  10  10  10  10  10
Temp............61  64  66  66  67  65
RH..............38  33  28  28  27  30
Surface wnd dir.SW  SW  SW  SW  SW  S
Surface wnd spd.6   7   7   6   5   5
Surface wnd gst.9   12  12  9   7   7

.TONIGHT...

Sky/weather.........Mostly cloudy (55-65 percent) until 2400, then
                    partly cloudy (45-55 percent) until 0200, then
                    mostly cloudy (60-70 percent).
Chance of pcpn......10 percent.
Min temperature.....Around 38.
Max humidity........82 percent.
Surface winds (mph).South winds around 5 mph until 1900, then
                    variable up to 5 mph until 2100, then east
                    around 5 mph until 2200, then variable up to 5
                    mph until 2300, then east 5 to 7 mph until
                    0100, then around 5 mph until 0300, then
                    variable up to 5 mph.
Snowfall amount.....0.0 inches.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........67  66  65  69  57  51  49  50  56  65  71  76
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).15  15  15  15  10  10  10  10  10  10  10  10
Temp............62  58  53  50  48  46  44  43  43  41  40  40
RH..............36  42  52  58  60  63  68  67  67  70  73  73
Surface wnd dir.S   SE  E   E   E   E   E   E   E   E   E   E
Surface wnd spd.5   3   3   5   3   5   5   3   3   2   2   2
Surface wnd gst.7   6   6   7   6   7   7   6   6   3   3   3

.FRIDAY...

Sky/weather.........Cloudy (85-95 percent). Chance of rain showers.
                    Slight chance of thunderstorms after 1200 until
                    1500.
Chance of pcpn......50 percent.
Max temperature.....Around 61.
Min humidity........55 percent.
Surface winds (mph).Variable up to 5 mph until 1100, then south 5
                    to 7 mph.
Snowfall amount.....0.0 inches.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........82  83  87  82  83  87  91  92  93  94  93  93
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........                        SCH SCH SCH SCH SCH
Chc of pcpn (%).40  40  40  40  40  40  50  50  50  50  50  50
Temp............40  38  42  46  52  55  57  59  59  59  58  57
RH..............76  82  79  79  69  64  59  55  57  57  60  62
Surface wnd dir.NE  N   E   S   S   S   S   S   SW  SW  S   S
Surface wnd spd.2   2   2   2   3   5   6   6   6   6   6   5
Surface wnd gst.5   5   5   6   7   9   10  12  14  14  13  12

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...
Mostly cloudy with chance of showers and slight chance of
thunderstorms. Lows in the upper 30s. Highs around 60. Southwest
winds around 5 mph.
.SUNDAY...
Mostly cloudy. Chance of showers, slight chance of thunderstorms
and snow showers. Lows in the mid 30s. Highs in the lower 50s.
West winds around 12 mph.
.COLUMBUS DAY...
Mostly clear. Lows in the mid 20s. Highs in the upper 50s. South
winds around 7 mph.

$$
Forecaster...Ideker
Requested by...Caleb Waters
Type of request...OTHER
.TAG 2523231.0/BOU
.DELDT 10/09/25
.FormatterVersion 2.0.0
.EMAIL caleb_waters@nps.gov