Spot Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
467
FNUS75 KBOU 222043
FWSBOU
Spot Forecast for Kataka Fire...USFS
National Weather Service Denver/Boulder CO
243 PM MDT Fri Aug 22 2025
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...Increasing chances of precipitation are expected
through this evening as a shortwave traverses the region. There
will be a mix of showers and thunderstorms and at least a 50%
chance of wetting rains through late tonight.
More precipitation is expected Saturday, with increasing chances
for wetting rains through the afternoon. Moisture is expected to
stick around through at least the first half of the week, with
Monday bringing the best chances of widespread wetting rains, with
increasing chances for flooding potential under heavy rainfall.
.REST OF TODAY...
Sky/weather.........Mostly cloudy (80-90 percent). Rain showers and
thunderstorms likely.
CWR.................65 percent.
Chance of thunder...71 percent.
Max temperature.....Around 57.
Min humidity........35 percent.
Wind (20 ft)........Northeast winds 5 to 13 mph until 1700, then
east around 7 mph. Gusty and erratic winds
expected near thunderstorms.
Mixing height.......1600 ft AGL until 1600, then Below 1000 FT AGL.
Transport winds.....Northeast 8 to 12 mph until 1700, then east
around 8 mph.
Smoke dispersal.....Poor.
TIME (MDT) 3PM 4PM 5PM
Sky (%).........87 88 84
Weather cov.....LKY LKY LKY
Weather type....RW RW RW
Tstm cov........LKY LKY LKY
CWR.............70 60 60
Chc of thdr (%).70 70 70
Temp............48 47 46
RH..............71 76 83
20 FT wind dir..NE NE E
20 FT wind spd..8 7 7
20 FT wind gust.13 12 12
Mix hgt (kft)...1.6 0.9 0.3
Transp wind dir.NE NE E
Transp wind spd.10 9 8
Vrate kt-ft/1K..14 7 2
SmokeDispersion.P P P
.TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent). Rain showers
likely and chance of thunderstorms until 2400,
then chance of rain showers.
CWR.................57 percent decreasing to 13 percent overnight.
Chance of thunder...44 percent.
Min temperature.....Around 39.
Max humidity........100 percent.
Wind (20 ft)........East winds 5 to 12 mph until 2100. West after
0400. Gusty and erratic winds expected near
thunderstorms until 2100Gusty and erratic winds
expected near thunderstorms after 2100 until
2400.
Mixing height.......Below 1000 FT AGL.
Transport winds.....Southeast 8 to 10 mph until 2200, then light
until 2300, then southwest 8 to 12 mph.
Smoke dispersal.....Poor.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........79 85 89 91 89 82 76 73 67 60 59 58
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.............60 60 60 50 50 50 10 10 10 10 10 10
Chc of thdr (%).40 40 40 20 20 20 10 10 10 10 10 10
Temp............45 43 41 40 39 39 40 40 40 40 40 40
RH..............86 93 100 100 100 100 100 100 100 96 96 92
20 FT wind dir..E E E SE S S SW SW SW SW W W
20 FT wind spd..7 7 7 7 7 8 8 8 8 7 7 7
20 FT wind gust.12 12 12 12 12 13 13 13 13 12 12 12
Mix hgt (kft)...0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.SE SE E SE SW SW SW SW SW W W W
Transp wind spd.7 7 7 7 7 8 8 9 10 10 10 8
Vrate kt-ft/1K..0 0 0 0 0 0 0 0 0 0 0 0
SmokeDispersion.P P P P P P P P P P P P
.SATURDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain
showers until 1200. Chance of thunderstorms
after 0900 until 1200, then rain showers and
thunderstorms likely.
CWR.................12 percent increasing to 57 percent in the
afternoon.
Chance of thunder...72 percent.
Max temperature.....Around 52.
Min humidity........66 percent.
Wind (20 ft)........West winds 5 to 8 mph until 0800. Southeast 5
to 12 mph after 1600. Gusty and erratic winds
expected near thunderstorms after 0900.
Mixing height.......Below 1000 FT AGL until 1100, then 2000 ft AGL
until 1400, then Below 1000 FT AGL.
Transport winds.....West 8 to 10 mph until 0800, then southwest
until 1000, then west 8 to 11 mph until 1400,
then southwest until 1600, then southeast.
Smoke dispersal.....Poor.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........63 63 63 63 65 71 82 82 83 83 86 89
Weather cov.....CHC CHC CHC CHC CHC CHC 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 LKY LKY LKY LKY LKY LKY
CWR.............10 10 10 10 10 10 60 60 60 60 60 60
Chc of thdr (%).0 0 0 10 10 10 60 60 60 70 70 70
Temp............40 41 42 44 47 50 51 52 52 51 50 49
RH..............92 89 89 79 74 66 66 66 66 68 71 74
20 FT wind dir..W W SW SW SW SW S S S S SE SE
20 FT wind spd..7 6 6 6 6 7 7 8 8 8 7 7
20 FT wind gust.12 9 9 9 9 12 12 13 13 13 12 12
Mix hgt (kft)...0.1 0.1 0.1 0.1 0.4 1.1 2.0 1.5 0.9 0.7 0.3 0.2
Transp wind dir.W NW S SW W W W W SW SW SE E
Transp wind spd.7 7 7 7 8 8 8 9 8 9 8 8
Vrate kt-ft/1K..0 0 0 0 3 8 14 12 7 6 2 1
SmokeDispersion.P P P P P P P P P P P P
.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
Mostly cloudy with showers and thunderstorms likely. Lows around
40. Highs in the lower 50s. West winds around 9 mph.
.MONDAY...
Showers and thunderstorms. Lows around 40. Highs in the mid 40s.
West winds around 7 mph.
.TUESDAY...
Showers and thunderstorms. Lows in the upper 30s. Highs in the
upper 40s. West winds around 6 mph.
$$
Forecaster...Bonner
Requested by...Austin Steinsick
Type of request...WILDFIRE
.TAG 2520467.0/BOU
.DELDT 08/22/25
.FormatterVersion 2.0.0
.EMAIL austin.steinsick@usda.gov