564
FNUS75 KBOI 161149
FWSBOI

Spot Forecast for Logan...Usfs
National Weather Service Boise ID
549 AM MDT Mon Sep 16 2024

Forecast is based on forecast start time of 0600 MDT on September 16.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (208)334-9060, if you have questions
or concerns with this forecast.

...ISOLATED THUNDERSTORMS AND SHOWERS TODAY THROUGH TOMORROW AM...
...HEAVY RAIN AND GUSTY OUTFLOW WINDS IN STRONGEST STORMS...

.DISCUSSION...
Isolated showers and thunderstorms will begin near the fire early
this afternoon, around 1400-1500 MDT, with heavy rain and outflow
winds up to 45 mph the main concern with the strongest showers.
Total accumulations through Wednesday look to be around 0.30-0.50
inches of rain with these showers. Heavier localized accumulations
are possible in the cores of strong showers/thunderstorms.
Temperatures will cool today through the middle of the week, with
snow levels falling to 8500 feet and temperatures below freezing
by Tuesday morning.


.TODAY...

Sky/weather.........Mostly cloudy with rain showers likely and
a slight chance of thunderstorms. Chance of
precipitation 70 percent.
Max temperature.....53 to 63.
Min humidity........29 to 38 percent.
CWR.................40 percent.
LAL.................2 in the morning increasing to 3 in the
                    afternoon.
Wind - 20 foot......Northeast around 7 mph. Gusty and erratic winds
                    expected near thunderstorms.
Mixing height.......6000 ft AGL.
Transport winds.....Southeast around 10 mph.
Haines Index........3 very low.
Ventilation Index...600 good.

.TONIGHT...

Sky/weather.........Rain showers and a slight chance of
                    thunderstorms. Chance of precipitation 90
                    percent.
Min temperature.....34 to 39.
Max humidity........92 to 98 percent.
CWR.................60 percent.
LAL.................2 in the evening increasing to 3 overnight.
Wind - 20 foot......Northeast around 5 mph. Gusty and erratic winds
                    expected near thunderstorms.
Mixing height.......400 ft AGL.
Transport winds.....East around 5 mph.
Haines Index........3 very low.
Ventilation Index...20 poor.

.TUESDAY...

Sky/weather.........Rain showers and a slight chance of
                    thunderstorms. Chance of precipitation 90
                    percent.
Max temperature.....48 to 55.
Min humidity........44 to 57 percent.
CWR.................70 percent.
LAL.................2.
Wind - 20 foot......Southwest 5 to 10 mph with afternoon gusts to 14 mph.
Gusty and erratic winds expected near thunderstorms.
Mixing height.......2500 ft AGL.
Transport winds.....West around 8 mph.
Haines Index........3 very low.
Ventilation Index...200 poor.

$$
Forecaster...Adams
Requested by...Tyler Hlawatschek
Type of request...WILDFIRE
.TAG 2422515.0/BOI
.DELDT 09/16/24
.FormatterVersion 2.0.0
.EMAIL Steven.hlawatschek@usda.gov