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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Hazardous Weather Conditions

Current Conditions

Southern San Luis Valley

Zone Forecast

  • Rest Of Tonight Cloudy with a 50 percent chance of thunderstorms. Lows near 50. Northeast winds around 10 mph becoming south up to 10 mph after midnight.
  • Tuesday Cloudy. Chance of thunderstorms in the morning...then rain showers likely and chance of thunderstorms in the afternoon. Locally heavy rainfall possible in the afternoon. Highs 69 to 76. Southwest winds up to 10 mph. Chance of precipitation 60 percent.
  • Tuesday Night Mostly cloudy. Chance of thunderstorms until midnight...then slight chance of thunderstorms after midnight. Locally heavy rainfall possible until midnight. Lows in the mid 40s to lower 50s. Southwest winds up to 10 mph. Chance of precipitation 50 percent.
  • Wednesday Mostly cloudy with a 40 percent chance of thunderstorms. Highs 66 to 75. North winds up to 10 mph.
  • Wednesday Night Mostly cloudy with a 30 percent chance of thunderstorms. Lows in the upper 40s. Northeast winds up to 10 mph.
  • Thursday And Thursday Night Mostly cloudy with a 30 percent chance of thunderstorms. Highs 73 to 79. Lows near 50.
  • Friday Mostly cloudy with a 40 percent chance of thunderstorms. Highs 74 to 80.
  • Friday Night Mostly cloudy with a 30 percent chance of thunderstorms. Lows near 50.
  • Saturday Partly sunny with a 10 percent chance of thunderstorms. Highs 73 to 78.
  • Saturday Night Mostly cloudy with a 20 percent chance of thunderstorms. Lows near 50.
  • Sunday Mostly cloudy with a 30 percent chance of thunderstorms. Highs 74 to 80.
  • Sunday Night Mostly cloudy with a 10 percent chance of thunderstorms. Lows near 50.
  • Monday Mostly cloudy with a 20 percent chance of thunderstorms. Highs 71 to 78.