621
FNUS76 KMTR 051222
FWSMTR

Spot Forecast for Grant Ranch Rx...CALFIRE/SCU
National Weather Service San Francisco CA
522 AM PDT Sun Oct 5 2025

Forecast is based on ignition time of 0700 PDT on October 05.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Light NE winds in the morning will shift to a moderate
NW breeze in the afternoon and back to a light NE wind overnight.
Offshore winds will persist in this way through Wednesday, bringing
low humidity and clear skies. Onshore flow will return by Thursday
with rain possible starting Friday and lasting through the weekend.
The rain chances and amount are still in question, but higher
humidity and cooler weather are in store this weekend either way.

.REST OF TODAY...

Sky/weather.........Sunny.
Max temperature.....73-77.
Min humidity........37-41 percent.
Wind (20 ft)........West winds 5 to 12 mph.
CWR.................0 percent.
Chance of thunder...0 percent.
Mixing height.......3700 ft AGL.
Transport winds.....North around 6 mph.
Marine layer........None.

.TONIGHT...

Sky/weather.........Clear.
Min temperature.....53-57.
Max humidity........65-69 percent.
Wind (20 ft)........North winds 5 to 10 mph.
CWR.................0 percent.
Chance of thunder...0 percent.
Mixing height.......200 ft AGL.
Transport winds.....Northeast around 6 mph.
Marine layer........None.

.MONDAY...

Sky/weather.........Sunny.
Max temperature.....77-81.
Min humidity........33-37 percent.
Wind (20 ft)........East winds 5 to 7 mph shifting to the west 7 to
                    10 mph in the afternoon.
CWR.................0 percent.
Chance of thunder...0 percent.
Mixing height.......3400 ft AGL.
Transport winds.....Southwest around 6 mph.
Marine layer........None.

$$
Forecaster...D_FLYNN
Requested by...Eric Couper
Type of request...PRESCRIBED
.TAG 2522957.0/MTR
.DELDT 10/05/25
.FormatterVersion 2.0.0
.EMAIL scu.ecc@fire.ca.gov,cole.periera@fire.ca.gov,alex.mikesell@fire.ca.gov