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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Union City CA

7 Day Forecast

Tonight

Patchy Fog

Patchy
Fog

Low: 58 °F

Saturday

Patchy Fog

Patchy
Fog

High: 77 °F

Saturday
Night

Patchy Fog

Patchy
Fog

Low: 58 °F

Sunday

Patchy Fog

Patchy
Fog

High: 76 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 59 °F

Monday

Sunny

Sunny

High: 76 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 58 °F

Tuesday

Sunny

Sunny

High: 81 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 59 °F

Detailed Forecast

  • Tonight Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 58. Southwest wind 10 to 16 mph, with gusts as high as 21 mph.
  • Saturday Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 77. Southwest wind 5 to 10 mph becoming light south.
  • Saturday Night Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 58. Southwest wind 8 to 13 mph increasing to 16 to 21 mph in the evening. Winds could gust as high as 26 mph.
  • Sunday Patchy fog before 11am. Otherwise, mostly sunny, with a high near 76. South wind 7 to 10 mph.
  • Sunday Night Mostly clear, with a low around 59. West southwest wind around 13 mph.
  • Monday Sunny, with a high near 76.
  • Monday Night Mostly clear, with a low around 58.
  • Tuesday Sunny, with a high near 81.
  • Tuesday Night Mostly clear, with a low around 59.
  • Wednesday Sunny, with a high near 83.
  • Wednesday Night Mostly clear, with a low around 60.
  • Thursday Sunny, with a high near 83.
  • Thursday Night Mostly clear, with a low around 60.
  • Friday Sunny, with a high near 80.