917
FNUS75 KTFX 150053
FWSTFX

Spot Forecast for Inc# 584...Helena Interagency Dispatch
National Weather Service Great Falls MT
653 PM MDT Wed Aug 14 2024

Forecast is based on forecast start time of 1900 MDT on August 14.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Showers and isolated thunderstorms are developing and largely
drifting southward across the region this evening. The chance for
lightning within 15 miles of the incident site is around 20%
through 2100 hrs and decreases below 10% by 2300 hrs. Any shower
in the area will be capable of producing erratic wind gusts to
around 30 mph. Looking toward tomorrow, isolated showers and
thunderstorms will be around in the afternoon, with a better
chance for a wetting rain tomorrow evening and tomorrow night
(Around a 25% chance).

.REST OF TONIGHT...

Sky/weather.........Mostly clear (5-15 percent). Scattered showers
                    and isolated thunderstorms through 2200 hrs.
CWR.................5 percent.
LAL.................1.
Min temperature.....43-48.
Max humidity........77-82 percent.
Wind (20 ft)........
 Slope/valley.......Down slope/valley around 5 mph. Gusty and
                    erratic winds expected near thunderstorms.
 Ridgetop...........Northeast around 5 mph.


.THURSDAY...

Sky/weather.........Sunny (10-20 percent). Slight chance of showers
                    and thunderstorms in the afternoon.
CWR.................5 percent.
LAL.................2.
Max temperature.....73-78.
Min humidity........26-31 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds around 5 mph. Gusty and erratic
                    winds expected near thunderstorms in the
                    afternoon.
 Ridgetop...........South around 5 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...McDowell
Requested by...Alex Goosmann
Type of request...WILDFIRE
.TAG 2420274.0/TFX
.DELDT 08/14/24
.FormatterVersion 2.0.0
.EMAIL mthdc@firenet.gov, tfx.ops@noaa.gov