349
FNUS75 KBYZ 240246
FWSBYZ

Spot Forecast for Passiac 2...Sheridan County
National Weather Service Billings MT
846 PM MDT Mon Sep 23 2024

Forecast is based on forecast start time of 2100 MDT on September 23.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions
or concerns with this forecast.

.DISCUSSION...

Expect overall light west to northwest winds to prevail at the
fire overnight with moderate RH recoveries. Tuesday will bring
north to northwest winds with afternoon RH bottoming out in the
upper 20s to around 30 percent. A weak low level jet forms over
the fire Tuesday night bringing breezy winds on the ridges and a
few hundred feet above the fire. This could help ventilate the
fire. Moderate RH recoveries can be expected.

.REST OF TONIGHT...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
LAL.................1...no thunderstorms.
Min temperature.....45-49.
Max humidity........68-73 percent.
Wind (20 ft)........
 Slope/valley.......West northwest winds 4 to 8 mph.
 Ridgetop...........West northwest 5 to 10 mph.
Mixing height.......Decreasing to 300 ft AGL.
Transport winds.....West northwest around 10 mph.

.TUESDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
LAL.................1...no thunderstorms.
Max temperature.....75-79.
Min humidity........28-33 percent.
Wind (20 ft)........
 Slope/valley.......North to northwest winds 6 to 12 mph. Gusts
                    up to 15 mph in the afternoon.
 Ridgetop...........North to northwest 8 to 16 mph.
Mixing height.......Increasing to 5000 ft AGL in the afternoon.
Transport winds.....Northwest around 15 mph.
Haines index........2.

.TUESDAY NIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1...no thunderstorms.
Min temperature.....49-53.
Max humidity........56-63 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds 6 to 12 mph.
 Ridgetop...........Southeast 10 to 20 mph.
Mixing height.......Decreasing to 300 ft AGL overnight.
Transport winds.....Southeast around 16 mph.

$$
Forecaster...Palmquist
Requested by...Chris Thomas
Type of request...WILDFIRE
.TAG 2422945.0/BYZ
.DELDT 09/23/24
.FormatterVersion 2.0.0
.EMAIL cthomas@sheridancountywy.gov