762
FNUS76 KPDT 262001
FWSPDT

Spot Forecast for Delta Fire...BC Van Beek
National Weather Service Pendleton OR
101 PM PDT Wed Mar 26 2025

Forecast is based on forecast start time of 1500 PDT on March 26.
***Thunderstorms imply gusty and erratic winds***
***Winds are 20 foot 10-minute averages***
***CWR-Chance of wetting rain 0.10 or greater***

If you have questions or concerns with this forecast, please
contact our office at (541) 276-8134.

.DISCUSSION...A weather system offshore will push a cold front
across the PacNW this evening through tomorrow. Rain showers
will develop this evening across the Columbia Basin, with
shower activity expected to impact the fire area beginning around
8PM tonight. Isolated thunderstorms will also develop with the
frontal boundary push, with a 15-20% chance of a thunderstorm
impacting the fire site this evening. Thunderstorms will be
capable of large hail and gusty winds with heavy rain. Winds
are expected to increase tonight with the approach of the
frontal boundary, but will weaken again Thursday morning.

.REST OF TODAY...

Sky/weather.........Mostly sunny (25-35 percent).
CWR.................0 percent.
Chance of thunder...1 percent.
Max temperature.....Around 80.
Min humidity........34-39 percent.
Wind (20 ft)........North winds 5 to 10 mph.
Mixing height.......2900 ft AGL.
Transport winds.....West around 6 mph.

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain
                    showers and slight chance of thunderstorms in
                    the evening, then slight chance of rain showers
                    overnight.
CWR.................38 percent.
Chance of thunder...20 percent.
Min temperature.....51-54.
Max humidity........73-78 percent.
Wind (20 ft)........North winds 5 to 10 mph becoming southwest winds
9 to 15 mph around 11PM. Gusty and erratic winds
                    expected near thunderstorms.
Mixing height.......2000 ft AGL early in the evening then 600 ft
                    AGL late in the evening.
Transport winds.....Southwest around 13 mph.

.THURSDAY...

Sky/weather.........Partly sunny (60-70 percent). Chance of rain
                    showers.
CWR.................38 percent.
Chance of thunder...11 percent.
Max temperature.....65-68.
Min humidity........49-54 percent.
Wind (20 ft)........Southwest winds 9 to 15 mph becoming south winds
5 to 10 mph after 8AM, then shifting to the
southeast in the afternoon.
Mixing height.......2600 ft AGL.
Transport winds.....South around 9 mph.

$$
Forecaster...Lawhorn
Requested by...Michael Van Beek
Type of request...WILDFIRE
.TAG 2508093.0/PDT
.DELDT 03/26/25
.FormatterVersion 2.0.0
.EMAIL mvanbeek@ci.richland.wa.us