National Weather Service United States Department of Commerce

Winter weather forecast for Rockies and southern Plains

A developing storm system will bring snow to parts of the Rockies and southern Plains on Friday, which will move into the central U.S. on Saturday. Freezing rain is also forecast from Texas to the mid-Mississippi Valley and into the Carolinas. Meanwhile, temperatures will be 20-40 degrees below normal across parts of the central and southern U.S. on Friday.
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Hazardous Weather Conditions

Current Conditions

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3 Miles NNE San Ramon CA

7 Day Forecast

Today

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 61 °F

Tonight

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 41 °F

Saturday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 60 °F

Saturday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 39 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 64 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 40 °F

Monday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 63 °F

Monday
Night

Slight Chance Showers

Slight Chc
Showers

Low: 39 °F

Tuesday

Slight Chance Showers

Slight Chc
Showers

High: 64 °F

Detailed Forecast

  • Today A 20 percent chance of showers after 10am. Mostly cloudy, with a high near 61. West wind 9 to 17 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
  • Tonight A 30 percent chance of showers. Mostly cloudy, with a low around 41. West northwest wind 10 to 15 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
  • Saturday A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 60. Light and variable wind becoming south around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Saturday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 39. North northeast wind 3 to 8 mph. Chance of precipitation is 20%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Sunday Mostly sunny, with a high near 64. North northwest wind 7 to 9 mph.
  • Sunday Night Partly cloudy, with a low around 40.
  • Monday A 20 percent chance of showers. Partly sunny, with a high near 63.
  • Monday Night A slight chance of showers. Mostly cloudy, with a low around 39.
  • Tuesday A slight chance of showers. Mostly sunny, with a high near 64.
  • Tuesday Night Mostly cloudy, with a low around 37.
  • Wednesday Partly sunny, with a high near 65.
  • Wednesday Night Partly cloudy, with a low around 39.
  • Thursday Mostly sunny, with a high near 67.