National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Current Conditions

St.Thomas...St. John.. and Adjacent Islands

Zone Forecast

  • Today Variably cloudy with scattered showers in the morning... Then partly cloudy with isolated showers in the afternoon. Highs 90 lower elevations ranging to 80 higher elevations. East winds 10 to 15 mph. Chance of rain 40 percent.
  • Tonight Partly cloudy with isolated showers. Lows 79 lower elevations ranging to 70 higher elevations. East winds 10 to 15 mph. Chance of rain 20 percent.
  • Wednesday Partly cloudy with isolated showers. Highs 91 lower elevations ranging to 80 higher elevations. East winds 10 to 15 mph. Chance of rain 20 percent.
  • Wednesday Night Partly cloudy with isolated showers. Lows 79 lower elevations ranging to 70 higher elevations. East winds 10 to 15 mph. Chance of rain 20 percent.
  • Thursday Partly cloudy with isolated showers. Highs 91 lower elevations ranging to 80 higher elevations. East winds around 15 mph. Chance of rain 20 percent.
  • Thursday Night Partly cloudy with isolated showers. Lows 79 lower elevations ranging to 70 higher elevations. Chance of rain 20 percent.
  • Friday Partly cloudy with isolated showers. Highs 90 lower elevations ranging to 80 higher elevations. Chance of rain 20 percent.
  • Friday Night Partly cloudy with isolated showers. Lows 81 lower elevations ranging to 72 higher elevations. Chance of rain 20 percent.
  • Saturday Partly cloudy with isolated showers. Highs 92 lower elevations ranging to 80 higher elevations. Chance of rain 20 percent.
  • Saturday Night Partly cloudy with isolated showers. Lows 82 lower elevations ranging to 72 higher elevations. Chance of rain 20 percent.
  • Sunday Partly cloudy with isolated showers. Highs 91 lower elevations ranging to 80 higher elevations. Chance of rain 20 percent.
  • Sunday Night Partly cloudy with isolated showers. Lows 81 lower elevations ranging to 72 higher elevations. Chance of rain 20 percent.
  • Monday Partly cloudy with isolated showers. Highs 91 lower elevations ranging to 80 higher elevations. Chance of rain 20 percent.