Montana Severe Severe Thunderstorm Watch | Effective 09/02/2026 12:36

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 644 IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN MONTANA THIS WATCH INCLUDES 15 COUNTIES IN CENTRAL MONTANA CASCADE FERGUS JUDITH BASIN MEAGHER IN NORTH CENTRAL MONTANA BLAINE CHOUTEAU GLACIER HILL LIBERTY PONDERA TETON TOOLE IN SOUTHWEST MONTANA BROADWATER JEFFERSON IN WEST CENTRAL MONTANA LEWIS AND CLARK THIS INCLUDES THE CITIES OF AUGUSTA, BELT, BIG SANDY, BOULDER, BOULDER HILL, BRADY, BROWNING, BYNUM, CARTER, CASCADE, CHESTER, CHINOOK, CHOTEAU, CONRAD, CUT BANK, DEEP CREEK PASS, DUTTON, ELK PARK PASS, FAIRFIELD, FLESHER PASS, FORT BENTON, GRASS RANGE, GREAT FALLS, HARLEM, HAVRE, HAYS, HEART BUTTE, HELENA, HOBSON, HOMESTAKE PASS, KINGS HILL PASS, LEWISTOWN, LEWISTOWN DIVIDE, LINCOLN, LOGAN PASS, MACDONALD PASS, MARIAS PASS, MARTINSDALE, MONTANA CITY, RAYNESFORD, ROCKY BOY, ROGERS PASS, RUDYARD, SHELBY, STANFORD, SUNBURST, TOSTON, TOWNSEND, WHITE SULPHUR SPRINGS, WHITEHALL, WHITLASH, WINIFRED, AND WINSTON.