693
FNUS75 KMSO 191817
FWSMSO
SPOT FORECAST FOR ALDER DITCH
NATIONAL WEATHER SERVICE MISSOULA MT
1217 PM MDT MON MAY 19 2025
FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MAY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A WEATHER SYSTEM WILL BE MOVING INTO THE AREA OF THE
BURN TUESDAY, THAT WILL BRING SCATTERED RAIN SHOWERS AND AN
INCREASE IN WESTERLY WIND. WESTERLY WIND IN THE MORNING WILL BE
AROUND 10 MPH, THEN INCREASING UP TO AROUND 15 MPH BY THE NOON
HOUR. THERE IS A 95 PERCENT PROBABILITY FOR GUSTS REACHING 20 MPH
AND A 60 PERCENT PROBABILITY FOR GUSTS UP TO 30 MPH BETWEEN
1300-1800 LOCAL. THERE IS A 20 PERCENT PROBABILITY FOR A WETTING
RAIN TUESDAY AS WELL. WEDNESDAY WILL BE THE WARMEST AND DRIEST
DAY OF THE WEEK, WITH SOUTHWEST WINDS BETWEEN 10-15 MPH AND MINRH
VALUES LOWERING INTO THE LOW 30S.
TUESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN.
* CWR (> 0.10 INCH)...20 PERCENT.
* CHANCE LIGHTNING....UP TO 10 PERCENT.
* MAX TEMPERATURE.....48-53.
* MIN HUMIDITY........40-45 PERCENT.
* WIND (20 FT)........VARIABLE 3-6 MPH BECOMING WEST 10-15 MPH
WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......6000 FT AGL.
* MIXING WINDS........WEST 20 MPH.
* PRECIP AMOUNT.......0.03 INCHES.
TUESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....35-40.
* MAX HUMIDITY........70-75 PERCENT.
* WIND (20 FT)........SOUTHWEST 5-13 MPH WITH GUSTS UP TO 25 MPH
IN THE EVENING THE BECOMING VARIABLE 3-6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT.......DECREASING TO 1000 FT AGL EARLY IN THE
EVENING.
* MIXING WINDS........WEST 15 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....54-59.
* MIN HUMIDITY........31-36 PERCENT.
* WIND (20 FT)........SOUTHWEST 5-10 MPH.
* MIXING HEIGHT.......INCREASING TO 9500 FT AGL.
* MIXING WINDS........WEST 15 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FORECASTER...SMITH
REQUESTED BY...ART TRAHAN
TYPE OF REQUEST...PRESCRIBED
.TAG 2514269.0/MSO
.DELDT 05/19/25
.FORMATTERVERSION 2.0.0
.EMAIL JACK.CURRIE@CSKT.ORG
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page