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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Napa CA

7 Day Forecast

Overnight

Cloudy

Cloudy

Low: 14 °C

Saturday

Becoming Sunny

Becoming
Sunny

High: 26 °C

Saturday
Night

Increasing Clouds

Increasing
Clouds

Low: 14 °C

Sunday

Becoming Sunny

Becoming
Sunny

High: 26 °C

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 14 °C

Monday

Sunny

Sunny

High: 25 °C

Monday
Night

Mostly Clear

Mostly
Clear

Low: 14 °C

Tuesday

Sunny

Sunny

High: 28 °C

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 14 °C

Detailed Forecast

  • Overnight Cloudy, with a low around 14. West wind 18 to 21 km/h.
  • Saturday Partly sunny, then gradually becoming sunny, with a high near 26. Southwest wind 11 to 14 km/h.
  • Saturday Night Increasing clouds, with a low around 14. West wind 16 to 21 km/h increasing to 24 to 29 km/h in the evening. Winds could gust as high as 37 km/h.
  • Sunday Partly sunny, then gradually becoming sunny, with a high near 26. West southwest wind 11 to 14 km/h.
  • Sunday Night Mostly clear, with a low around 14. West southwest wind 21 to 24 km/h, with gusts as high as 29 km/h.
  • Monday Sunny, with a high near 25.
  • Monday Night Mostly clear, with a low around 14.
  • Tuesday Sunny, with a high near 28.
  • Tuesday Night Mostly clear, with a low around 14.
  • Wednesday Sunny, with a high near 29.
  • Wednesday Night Mostly clear, with a low around 14.
  • Thursday Sunny, with a high near 28.
  • Thursday Night Mostly clear, with a low around 14.
  • Friday Sunny, with a high near 27.