113
WWUS85 KBYZ 122359
SPSBYZ
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BILLINGS MT
559 PM MDT WED AUG 12 2026
MTZ034-141-130100-
NORTHERN SWEET GRASS MT-NORTHERN STILLWATER MT-
559 PM MDT WED AUG 12 2026
...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN SWEET GRASS AND
NORTH CENTRAL STILLWATER COUNTIES UNTIL 7 PM MDT...
AT 559 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 25
MILES SOUTH OF DEADMANS BASIN RESERVOIR, OR 21 MILES NORTHEAST OF BIG
TIMBER, MOVING EAST AT 15 MPH.
HAZARD...WIND GUSTS UP TO 40 MPH AND HALF INCH SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...GUSTY WINDS COULD KNOCK DOWN TREE LIMBS AND BLOW AROUND
UNSECURED OBJECTS. MINOR DAMAGE TO OUTDOOR OBJECTS IS
POSSIBLE.
LOCATIONS IMPACTED INCLUDE...
RAPELJE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING
WEATHER CONDITIONS.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
LAT...LON 4595 10966 4605 10959 4604 10942 4605 10942
4603 10920 4580 10936
TIME...MOT...LOC 2359Z 290DEG 13KT 4599 10958
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
STETZER
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page