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

Western Siskiyou County

Zone Forecast

  • Rest Of Tonight Mostly clear. Isolated thunderstorms late this evening. Lows in the lower 60s to lower 70s. Northeast winds 5 to 10 mph.
  • Tuesday Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 80s to mid 90s. East winds around 5 mph shifting to the southwest in the afternoon.
  • Tuesday Night Mostly cloudy with a 20 percent chance of thunderstorms in the evening...then mostly clear after midnight. Lows in the mid 50s to mid 60s. West winds 5 to 10 mph shifting to the northeast after midnight.
  • Wednesday Sunny in the morning...then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs in the mid 80s to mid 90s. East winds around 5 mph shifting to the west in the afternoon.
  • Wednesday Night Partly cloudy with a 30 percent chance of thunderstorms in the evening...then mostly clear after midnight. Lows in the mid 50s to mid 60s. Northwest winds 5 to 10 mph shifting to the northeast after midnight.
  • Thursday Partly cloudy. Highs in the mid 80s to mid 90s.
  • Thursday Night Through Sunday Partly cloudy with a slight chance of thunderstorms. Lows in the lower to mid 60s. Highs in the mid 80s to mid 90s.
  • Sunday Night And Monday Partly cloudy with a slight chance of thunderstorms. Lows in the mid 50s to mid 60s. Highs in the lower 80s to lower 90s.