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Spot Forecast
Issued by NWS Great Falls, MT

000
FNUS75 KTFX 171505
FWSTFX

Spot Forecast for Sun Canyon Pile Rx...USFS
National Weather Service Great Falls MT
905 AM MDT Wed Apr 17 2024

Forecast is based on ignition time of 0900 MDT on April 17.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

A cold trough of low pressure will maintain well below average
temperatures and periods of snow showers for the next couple of
days. The primary concern will be gusty northwesterly winds at
times, particularly this afternoon and evening.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (80-90 percent). Chance of
                    snow showers.
CWR.................10 percent.
LAL.................1.
Max temperature.....35-40.
Min humidity........39-44 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 10 to 20 mph.
Mixing height.......6000 ft AGL.
Transport winds.....North around 15 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...

Sky/weather.........Mostly cloudy (50-60 percent) then becoming
                    partly cloudy (30-40 percent). Slight chance of
                    snow showers in the evening.
CWR.................5 percent.
LAL.................1.
Min temperature.....17-22.
Max humidity........57-62 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 5 to 15 mph becoming
                    west around 5 mph overnight.
Mixing height.......500 ft AGL.
Transport winds.....North around 10 mph.
Haines Index........

.THURSDAY...

Sky/weather.........Partly sunny (55-65 percent). Chance of snow showers in
                    the afternoon.
CWR.................5 percent.
LAL.................1.
Max temperature.....35-40.
Min humidity........34-39 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds around 5 mph becoming
                    northeast in the afternoon.
Mixing height.......5000 ft AGL.
Transport winds.....North around 10 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Greely
Requested by...Brian Peterson
Type of request...PRESCRIBED
.TAG 2411222.0/TFX
.DELDT 04/17/24
.FormatterVersion 2.0.0
.EMAIL brian.peterson3@usda.gov, tfx.ops@noaa.gov