073
FNUS76 KSEW 291530
FWSSEW

Spot Forecast for Lyle Lake Fire...USFS
National Weather Service Seattle WA
830 AM PDT Mon Sep 29 2025

Forecast is based on forecast start time of 1000 PDT on September 29.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (206) 526-6095, if you have questions
or concerns with this forecast.

.DISCUSSION...A frontal system will push through Western Washington
today. A stronger frontal system is expected Tuesday through
Wednesday. These systems will bring widespread rain, breezy to gusty
winds, and a slight chance of thunder.

.REST OF TODAY...

Sky/weather.........Cloudy (100 percent). Rain at times. Slight chance
                    late afternoon thunderstorm.
CWR.................47 percent.
Chance of lightning.20 percent.
Max temperature.....Around 54.
Min humidity........76 percent.
Wind (20 ft)........Southwest winds 5 to 7 mph. Gusty and erratic
                    winds expected near thunderstorms late in the
                    afternoon.
Mixing height.......900 ft AGL.
Transport winds.....Southwest around 13 mph.
Rainfall amount.....0.26 inches.
CEILING (KFT).......2.0 decreasing to 0.1 in the afternoon.
Visibility..........10 decreasing to 2 in the afternoon.

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent) then becoming
                    partly cloudy (30-40 percent). Areas of fog in
                    the evening. Rain showers likely and slight
                    chance of thunderstorms in the evening, then
                    slight chance of rain overnight.
CWR.................39 percent.
Chance of lightning.20 percent.
Min temperature.....Around 42.
Max humidity........91 percent.
Wind (20 ft)........Southwest winds 5 to 8 mph. Gusty and erratic
                    winds expected near thunderstorms in the
                    evening.
Mixing height.......0 ft AGL.
Transport winds.....South around 10 mph.
Rainfall amount.....0.17 inches.
CEILING (KFT).......0.1 or less.
Visibility..........0.50 or less.

.TUESDAY...

Sky/weather.........Mostly sunny (30-40 percent) with areas of fog
                    then becoming mostly cloudy (75-85 percent).
                    Rain likely in the morning, then rain in the
                    afternoon.
CWR.................10 percent.
Chance of lightning.2 percent.
Max temperature.....Around 53.
Min humidity........62 percent.
Wind (20 ft)........South winds 6 to 8 mph with gusts to around 21
                    mph.
Mixing height.......3400 ft AGL.
Transport winds.....South around 10 mph.
Rainfall amount.....0.04 inches.
CEILING (KFT).......0.1 increasing to 1.5 in the afternoon.
Visibility..........0.25 or less increasing to 3 in the afternoon.

$$
Forecaster...Felton
Requested by...Wyatt Smith
Type of request...WILDFIRE
.TAG 2522654.2/SEW
.DELDT 09/29/25
.FormatterVersion 2.0.0
.EMAIL michael.garl@usda.gov,wyatt.smith@usda.gov,alexander.schelhammer@usda.gov,nathan.j.allen@usda.gov,theodore.hargraves@usda.gov