174
FNUS70 PHFO 281519
FWSHFO

Spot Forecast for Ka`ala Fire...Hawaii County Civil Defense Agency
National Weather Service Honolulu HI
519 AM HST Sun Sep 28 2025

Forecast is based on forecast start time of 0700 HST on September 28.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
The high pressure ridge will slowly build in over the islands this
week with slowly increasing trade winds. Higher moisture trends will
start on Tuesday as low level clouds and shower coverage increases
over the fire site.


.REST OF TODAY...

Sky/weather.........Mostly sunny in the morning, becoming partly cloudy
                    by afternoon.
Chance of pcpn......10 percent.
Max temperature.....Around 70.
Min humidity........Around 50 to 55 percent.
Wind (20 ft)........Downslope winds 3 to 6 mph, becoming east-southeast
                    winds 8 to 12 mph after 10 AM HST.
Mixing height.......2300 ft AGL.
Transport winds.....East around 13 mph.

.TONIGHT...

Sky/weather.........Partly cloudy in the evening, becoming mostly clear.
Chance of pcpn......10 percent.
Min temperature.....Around 57.
Max humidity........Around 95 percent.
Wind (20 ft)........East-southeast winds 8 to 12 mph in the evening,
                    becoming downslope 3 to 6 mph overnight.
Mixing height.......500 ft AGL.
Transport winds.....Southeast around 10 mph.

.MONDAY...

Sky/weather.........Mostly sunny in the morning, becoming partly cloudy.
Chance of pcpn......10 percent.
Max temperature.....Around 70.
Min humidity........Around 53 to 58 percent.
Wind (20 ft)........Downslope winds 3 to 6 mph, becoming east-southeast
                    winds 10 to 14 mph with gusts to 20 mph after 10 AM HST.
Mixing height.......2100 ft AGL.
Transport winds.....East around 15 mph.

$$
Forecaster...Bohlin/Parker
Requested by...Talmadge Magno
Type of request...WILDFIRE
.TAG 2521469.23/HFO
.DELDT 09/28/25
.FormatterVersion 2.0.0
.EMAIL talmadge.magno@hawaiicounty.gov,cocarvalho@hawaiicounty.gov,eochilo@hawaiicounty.gov