National Weather Service United States Department of Commerce

Unsettled weather moving into the western and central U.S.

Increasing moisture and colder air will filter into the Pacific Northwest Friday and into Saturday. Expect rain to start near the coast and then begin to spread steadily to the south and east into the interior mountains as snow Friday into Saturday. Enough moisture will be pushed eastward to also see snow in the central and southern Rockies and adjacent Plains Friday.
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Current Conditions

San Bernardino and Riverside County Valleys-The Inland Empire

Zone Forecast

  • Tonight Mostly clear in the evening...becoming partly cloudy. Patchy fog overnight. Lows 41 to 47. Light winds.
  • Friday Mostly cloudy in the morning...becoming partly cloudy. Patchy fog in the morning. Highs 63 to 68. Light winds becoming southwest 15 mph with gusts to 25 mph in the afternoon.
  • Friday Night Mostly cloudy. Slight chance of showers in the evening...then chance of showers overnight. Lows 44 to 50. Areas of winds southwest 15 mph with gusts to 25 mph. Chance of measurable precipitation 50 percent.
  • Saturday Mostly cloudy with a chance of showers in the morning...then cloudy with showers in the afternoon. Highs 54 to 60. Areas of winds southwest 15 mph. Gusts to 30 mph.
  • Saturday Night Showers in the evening...then showers and slight chance of thunderstorms overnight. Colder. Lows 36 to 44. Areas of winds southwest 15 mph with gusts to 25 mph in the evening becoming light.
  • Sunday Showers and slight chance of thunderstorms in the morning...then showers likely and slight chance of thunderstorms in the afternoon. Highs 55 to 60.
  • Sunday Night Mostly cloudy with showers likely and slight chance of thunderstorms in the evening...then partly cloudy with a chance of showers overnight. Lows 35 to 42.
  • Monday Mostly cloudy in the morning...becoming partly cloudy. Chance of showers. Highs 56 to 61.
  • Monday Night Partly cloudy in the evening...becoming mostly cloudy. Chance of showers. Lows 36 to 43.
  • Tuesday Mostly cloudy in the morning...becoming partly cloudy. Chance of showers. Highs 57 to 64.
  • Tuesday Night Partly cloudy. Chance of showers in the evening...then slight chance of showers overnight. Lows 32 to 41.
  • Wednesday Partly cloudy. Slight chance of showers in the morning. Highs 61 to 67.
  • Wednesday Night Partly cloudy in the evening...becoming mostly clear. Lows 32 to 39.
  • Thursday Mostly sunny. Highs 63 to 69.