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

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San Marcos CA

7 Day Forecast

For More Weather Information:

San Diego, CA Local Forecast Office

Overnight

Patchy Fog

Patchy
Fog

Low: 62 °F

Saturday

Patchy Fog

Patchy
Fog

High: 82 °F

Saturday
Night

Patchy Fog

Patchy
Fog

Low: 65 °F

Sunday

Patchy Fog

Patchy
Fog

High: 81 °F

Sunday
Night

Increasing Clouds

Increasing
Clouds

Low: 65 °F

Monday

Decreasing Clouds

Decreasing
Clouds

High: 82 °F

Monday
Night

Patchy Fog

Patchy
Fog

Low: 65 °F

Tuesday

Patchy Fog

Patchy
Fog

High: 85 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 66 °F

Detailed Forecast

  • Overnight Patchy fog. Otherwise, mostly cloudy, with a low around 62. Calm wind.
  • Saturday Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. Light and variable wind becoming west 5 to 10 mph in the afternoon.
  • Saturday Night Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 65. West wind 5 to 10 mph becoming light and variable in the evening.
  • Sunday Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Light northwest wind becoming west 5 to 10 mph in the afternoon.
  • Sunday Night Increasing clouds, with a low around 65. West wind 5 to 10 mph becoming light in the evening.
  • Monday Cloudy, then gradually becoming mostly sunny, with a high near 82.
  • Monday Night Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 65.
  • Tuesday Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 85.
  • Tuesday Night Mostly clear, with a low around 66.
  • Wednesday Sunny, with a high near 87.
  • Wednesday Night Mostly clear, with a low around 66.
  • Thursday Sunny, with a high near 88.
  • Thursday Night Partly cloudy, with a low around 66.
  • Friday Sunny, with a high near 86.