000 TTAA00 KGTF 122128 LOCAL FORECAST FOR HELENA AND VICINITY 330 PM MDT WED MAY 12 1999 MTC998-131000- .TONIGHT...VARIABLE CLOUDS WITH A CHANCE OF EVENING SHOWERS. LOCAL SOUTH TO SOUTHWEST WINDS 10 TO 20 MPH. .THURSDAY AND THURSDAY NIGHT...MOSTLY CLOUDY WITH SCATTERED AFTERNOON AND EVENING SHOWERS OR THUNDERSTORMS. .FRIDAY...MOSTLY CLOUDY WITH A CHANCE OF AFTERNOON SHOWERS. LOCAL WEST TO NORTHWEST WINDS. LOW TEMPERATURE TONIGHT... 34. HIGH TEMPERATURE THURSDAY... 54. LOW TEMPERATURE THURSDAY NIGHT... 32. HIGH TEMPERATURE FRIDAY... 52. CHANCE OF PRECIPITATION: TONIGHT... 30 PERCENT. THURSDAY... 40 PERCENT. THURSDAY NIGHT... 40 PERCENT. FRIDAY... 30 PERCENT. $$