554
FNUS75 KBYZ 171451
FWSBYZ

Spot Forecast for Jo Yager...BLM
National Weather Service Billings MT
851 AM MDT Tue Sep 17 2024

Forecast is based on forecast start time of 0900 MDT on September 17.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

While there is a very small chance for a rain shower early this
afternoon, thunderstorms potential increases drastically after
3pm, and lingering rain/storms behind the initial line will occur
through midnight. Strong winds, heavy rain, and small hail are all
threats with these storms, with localized south to southwest
gusts up to 65 mph possible. Rain potential contains a 65% chance of a
wetting rain (0.1"), and a 30% chance for half an inch of rain. A
lull in rain is expected late tonight, but moderate, persistent
rain will move back into the fire site late Wednesday morning.

.TODAY...

Sky/weather.........Mostly sunny then becoming mostly cloudy.
                    Chance of showers in the afternoon.
CWR.................15 percent.
LAL.................2...1 to 8 strikes/15 min/cell.
Max temperature.....82-86.
Min humidity........23-27 percent.
Wind (20 ft)........
 Slope/valley.......South winds 5 to 10 mph.Gusty and erratic winds expected near
                    thunderstorms in the afternoon
 Ridgetop...........South winds 5 to 10 mph.
Mixing height.......200 ft AGL early in the morning increasing to
                    9400 ft AGL in the afternoon.
Transport winds.....South winds 8 to 12 mph.
Haines index........4.

.TONIGHT...

Sky/weather.........Cloudy then becoming partly cloudy. Rain
                    showers likely and slight chance of
                    thunderstorms in the evening.
CWR.................65 percent.
LAL.................2...1 to 8 strikes/15 min/cell.
Min temperature.....48-52.
Max humidity........84-88 percent.
Wind (20 ft)........
 Slope/valley.......South winds 10 to 14 mph with gusts to around 20
                    mph. Gusty and erratic winds expected near
                    thunderstorms in the evening.
 Ridgetop...........South winds 20 to 30 mph
Mixing height.......2500 ft AGL early in the evening decreasing to
                    200 ft AGL overnight.
Transport winds.....South winds 20 to 30 mph.

$$
Forecaster...Vertz
Requested by...Hannah
Type of request...WILDFIRE
.TAG 2422623.0/BYZ
.DELDT 09/17/24
.FormatterVersion 2.0.0
.EMAIL mtmcc@firenet.gov