Spot Forecast Issued by NWS Great Falls, MT
000
FNUS75 KTFX 231038
FWSTFX
Spot Forecast for Benton Lake Unit 4...USFWS
National Weather Service Great Falls MT
438 AM MDT Tue Apr 23 2024
Forecast is based on ignition time of 1200 MDT on April 23.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...
Quiet weather conditions will occur today. Overall, wind speeds
look light. Generally winds will be 5 to 10 mph much of today, and
be shifty because of daytime heating. It will be a bit warmer/drier
on Wednesday, but do expect a bit stronger winds during the
afternoon hours.
.TODAY...
Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....60-65.
Min humidity........14-19 percent.
Wind (20 ft)........
Slope/valley.......Southwest winds around 5 mph shifting to
the southeast at 5 to 10 mph in the afternoon.
Mixing height.......9000 ft AGL.
Transport winds.....South around 10 mph.
Haines Index........2 or very low potential for large plume
dominated fire growth.
.TONIGHT...
Sky/weather.........Mostly cloudy (55-65 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....33-38.
Max humidity........50-55 percent.
Wind (20 ft)........
Slope/valley.......East winds 5 to 10 mph shifting to the south
overnight.
Mixing height.......500 ft AGL.
Transport winds.....South around 10 mph.
.WEDNESDAY...
Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....71-76.
Min humidity........11-16 percent.
Wind (20 ft)........
Slope/valley.......Southwest winds 5 to 10 mph shifting to the
west around 15 to 25 mph in the afternoon.
Some afternoon gusts around 30 mph.
Mixing height.......8500 ft AGL.
Transport winds.....West around 20 mph.
Haines Index........4 or low potential for large plume dominated
fire growth.
$$
Forecaster...Brusda
Requested by...Kevin Beck
Type of request...PRESCRIBED
.TAG 2411719.1/TFX
.DELDT 04/23/24
.FormatterVersion 2.0.0
.EMAIL Kevin_Beck@fws.gov