National Weather Service United States Department of Commerce

Heavy rain possible for parts of the northern Rockies & Plains; Severe storms for the Upper Midwest

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, some heavy, to parts of the northern Rockies and northern Plains through Saturday. Isolated flash floods will be possible in these areas. Some of the storms could be severe in parts of the Dakotas into Minnesota, with large hail and damaging winds.
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Current Conditions

St. Johns County

Zone Forecast

  • Rest Of Tonight Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph.
  • Saturday Mostly sunny in the morning...then partly cloudy with a 20 percent chance of showers and thunderstorms in the afternoon. Highs in the upper 90s inland...in the mid 90s coast. West winds 5 mph shifting to the northeast in the afternoon. Heat index readings 106 to 110.
  • Saturday Night Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows in the upper 70s. South winds 5 to 10 mph. Heat index readings 100 to 104.
  • Sunday Partly cloudy. Slight chance of showers and thunderstorms in the morning...then chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds 5 mph increasing to east 10 to 15 mph in the afternoon. Chance of rain 40 percent.
  • Sunday Night Partly cloudy. Chance of showers and thunderstorms in the evening...then slight chance of showers and thunderstorms after midnight. Lows in the upper 70s. Northeast winds 10 to 15 mph. Chance of rain 30 percent.
  • Monday Breezy. Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs in the upper 80s.
  • Monday Night Through Wednesday Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 70s. Highs in the upper 80s.
  • Wednesday Night Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the mid 70s.
  • Thursday And Thursday Night Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs around 90. Lows in the mid 70s.
  • Friday Partly cloudy with a 50 percent chance of showers and thunderstorms. Highs around 90.