876
FNUS75 KBOU 291247
FWSBOU
SPOT FORECAST FOR THOMPSON RIVER 4...USFS
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
547 AM MST WED JAN 29 2025
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
QUIET AND MILD CONDITIONS ARE FORECAST TODAY WITH
MOSTLY SUNNY SKIES AND LIGHT WINDS. SMOKE DISPERSAL WILL BE POOR
TODAY. CLOUD COVER WILL INCREASE TONIGHT INTO TOMORROW WITH A
SLIGHT CHANCE OF SNOW OVERNIGHT INTO THE FIRST HALF OF THURSDAY.
LITTLE TO NO SNOW ACCUMULATION IS FORECAST. WINDS WILL ALSO
STRENGTHEN THROUGH THE DAY THURSDAY AND SHIFT TO THE NORTH OR
NORTHWEST. THIS SHOULD ALLOW FOR AT LEAST A FEW HOURS OF FAIR TO
GOOD SMOKE DISPERSAL, ESPECIALLY DURING THE EARLY AFTERNOON HOURS.
MILD AND GENERALLY DRY CONDITIONS SHOULD PERSIST THROUGH THE
WEEKEND AS WESTERLY FLOW DEVELOPS THIS WEEKEND. SMOKE DISPERSAL
WILL DECREASE FRIDAY, BUT SHOULD RETURN TO FAIR TO GOOD CONDITIONS
BY THE WEEKEND.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) UNTIL 1500, THEN
PARTLY CLOUDY (30-40 PERCENT).
CWR.................1 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 39.
MIN HUMIDITY........36 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 7 MPH UNTIL 0900, THEN VARIABLE
UP TO 5 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1100, THEN 1400 FT AGL
UNTIL 1500, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....WEST 8 TO 9 MPH UNTIL 0800, THEN SOUTHWEST 8 TO
10 MPH UNTIL 1000, THEN LIGHT UNTIL 1100, THEN
SOUTH 8 TO 12 MPH UNTIL 1500, THEN SOUTHEAST 8
TO 9 MPH UNTIL 1700, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........4 4 15 14 16 18 18 19 21 29 31 39
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
TEMP............22 24 25 30 35 37 38 38 39 38 37 34
RH..............49 48 46 42 36 37 38 38 39 40 42 47
20 FT WIND DIR..W W W SW S S S S SE S S S
20 FT WIND SPD..5 5 5 3 3 3 3 3 5 3 3 2
20 FT WIND GUST.7 7 7 6 6 6 6 6 7 6 6 3
MIX HGT (KFT)...0.2 0.2 0.2 0.2 0.6 1.3 1.4 1.4 1.2 0.9 0.8 0.3
TRANSP WIND DIR.W W W SW S S S S S S SE S
TRANSP WIND SPD.6 6 7 7 7 9 10 9 9 7 6 5
VRATE KT-FT/1K..1 1 1 1 3 10 13 11 10 6 4 1
SMOKEDISPERSION.P P P P P P P P P P P P
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) UNTIL 2400, THEN
MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF
SNOW AFTER 0500.
CWR.................6 PERCENT.
CHANCE OF PCPN......20 PERCENT.
MIN TEMPERATURE.....AROUND 26.
MAX HUMIDITY........63 PERCENT.
WIND (20 FT)........VARIABLE UP TO 5 MPH UNTIL 2200, THEN NORTHWEST
5 TO 8 MPH UNTIL 0400, THEN 5 TO 13 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 2000, THEN NORTHWEST 8 TO 9
MPH UNTIL 2200, THEN LIGHT UNTIL 2300, THEN
NORTHWEST 8 TO 11 MPH UNTIL 0200, THEN NORTH 12
TO 17 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........41 42 43 45 47 49 51 53 55 60 65 63
WEATHER COV..... SCH
WEATHER TYPE.... SN
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 10
CHC OF PCPN (%).0 0 0 0 0 10 10 10 10 10 10 20
TEMP............31 30 30 29 29 29 29 29 30 29 28 29
RH..............51 51 51 55 53 55 55 55 53 53 55 55
20 FT WIND DIR..W W W W NW NW NW NW NW NW NW NW
20 FT WIND SPD..2 2 2 3 5 5 5 5 6 7 7 8
20 FT WIND GUST.3 3 3 6 7 7 7 7 9 12 12 9
MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.SW W W NW W W NW NW N N N N
TRANSP WIND SPD.3 5 6 6 7 8 8 9 12 13 15 16
VRATE KT-FT/1K..1 1 1 1 2 2 2 2 3 3 4 5
SMOKEDISPERSION.P P P P P P P P P P P P
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) UNTIL 0900, THEN
PARTLY CLOUDY (35-45 PERCENT) UNTIL 1400, THEN
MOSTLY SUNNY (10-20 PERCENT). SLIGHT CHANCE OF
SNOW UNTIL 1100.
CWR.................6 PERCENT.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 43.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 29 MPH UNTIL 1300, THEN NORTH 12 TO 17
MPH WITH GUSTS TO AROUND 30 MPH UNTIL 1600,
THEN NORTHWEST 9 TO 14 MPH WITH GUSTS TO AROUND
23 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000, THEN 2600 FT AGL
UNTIL 1700, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....NORTH 17 TO 24 MPH UNTIL 1200, THEN 22 TO 30
MPH UNTIL 1600, THEN NORTHWEST 12 TO 17 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, 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 (%).........56 55 54 45 45 45 36 31 20 15 12 7
WEATHER COV.....SCH SCH SCH SCH SCH
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 (%).20 20 20 20 20 10 10 10 10 10 10 0
TEMP............26 27 29 32 36 40 42 43 43 41 39 36
RH..............63 57 53 47 40 34 32 30 32 33 34 36
20 FT WIND DIR..NW NW NW NW N N N N N N NW NW
20 FT WIND SPD..9 10 12 13 14 14 15 17 16 13 12 10
20 FT WIND GUST.12 13 16 16 18 22 29 30 29 26 23 22
MIX HGT (KFT)...0.3 0.3 0.4 0.7 1.2 1.7 2.7 2.9 3.1 2.2 1.2 0.3
TRANSP WIND DIR.N N N N N N N N N N N NW
TRANSP WIND SPD.17 18 20 22 24 24 30 29 26 22 16 12
VRATE KT-FT/1K..5 5 7 13 24 36 69 71 72 41 18 3
SMOKEDISPERSION.P P P P P P G G G F P P
FORECAST DAYS 3 THROUGH 5
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S. WEST
WINDS AROUND 13 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S.
WEST WINDS AROUND 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S. WEST
WINDS AROUND 14 MPH.
FORECASTER...HIRIS
REQUESTED BY...MARK HERRINGTON
TYPE OF REQUEST...PRESCRIBED
.TAG 2501358.2/BOU
.DELDT 01/29/25
.FORMATTERVERSION 2.0.0
.EMAIL MARK.HERRINGTON@USDA.GOV
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