090
FNUS75 KTFX 171855
FWSTFX

Spot Forecast for Jericho Mountain...USFS
National Weather Service Great Falls MT
1255 PM MDT Tue Jun 17 2025

Forecast is based on forecast start time of 0600 MDT on June 18.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Low amplitude upper level ridging peaks across the region early
Wednesday, with upper level flow transitioning to a more
southwesterly direction late Wednesday into Thursday. Wednesday
looks to be dry, though an isolated shower cannot be completely
ruled out. Instability increases Thursday, which will allow for
at least widely scattered afternoon and evening showers and
thunderstorms.

.WEDNESDAY...

Sky/weather.........Mostly sunny (15-25 percent) Isolated afternoon
                    showers.
CWR.................Less than 5 percent.
Chance of thunder...Less than 5 percent.
Max temperature.....68-73.
Min humidity........22-27 percent.
Wind (20 ft)........
 Slope/valley.......Up slope/valley around 3 mph, becoming west
                    5 to 10 mph by late morning.
 Ridgetop...........West around 20 mph.

.WEDNESDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....47-52.
Max humidity........50-55 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 10 mph, becoming
                    downslope/valley around 6 mph around sunset.
 Ridgetop...........West around 15 mph.

.THURSDAY...

Sky/weather.........Mostly sunny (25-35 percent). Slight chance of
                    showers and thunderstorms in the afternoon.
CWR.................10 percent.
Chance of thunder...15 percent.
Max temperature.....70-75.
Min humidity........26-31 percent.
Wind (20 ft)........
 Slope/valley.......Up slope/valley around 3 mph, becoming southwest
                    5 to 10 mph by late morning. Gusty and erratic
                    winds expected near thunderstorms in the
                    afternoon.
 Ridgetop...........Southwest around 15 mph.

$$
Forecaster...McDowell
Requested by...Kory Garrie
Type of request...WILDFIRE
.TAG 2516124.0/TFX
.DELDT 06/17/25
.FormatterVersion 2.0.0
.EMAIL kory_garrie@firenet.gov, tfx.ops@noaa.gov