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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Hazardous Weather Conditions

Current Conditions

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Pomona CA

7 Day Forecast

Overnight

Patchy Fog

Patchy
Fog

Low: 64 °F

Saturday

Patchy Fog

Patchy
Fog

High: 87 °F

Saturday
Night

Increasing Clouds

Increasing
Clouds

Low: 63 °F

Sunday

Decreasing Clouds

Decreasing
Clouds

High: 86 °F

Sunday
Night

Patchy Fog

Patchy
Fog

Low: 63 °F

Monday

Patchy Fog

Patchy
Fog

High: 87 °F

Monday
Night

Patchy Fog

Patchy
Fog

Low: 64 °F

Tuesday

Patchy Fog

Patchy
Fog

High: 91 °F

Tuesday
Night

Clear

Clear

Low: 67 °F

Detailed Forecast

  • Overnight Patchy fog. Otherwise, cloudy, with a low around 64. Southwest wind around 5 mph.
  • Saturday Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 87. Light southwest wind becoming west southwest 5 to 10 mph in the afternoon.
  • Saturday Night Increasing clouds, with a low around 63. West southwest wind 5 to 10 mph becoming light southwest in the evening.
  • Sunday Mostly cloudy, then gradually becoming sunny, with a high near 86. Light south southwest wind becoming west southwest 5 to 10 mph in the afternoon.
  • Sunday Night Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 63. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
  • Monday Patchy fog before 11am. Otherwise, mostly sunny, with a high near 87.
  • Monday Night Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 64.
  • Tuesday Patchy fog before 11am. Otherwise, mostly sunny, with a high near 91.
  • Tuesday Night Clear, with a low around 67.
  • Wednesday Sunny, with a high near 95.
  • Wednesday Night Mostly clear, with a low around 67.
  • Thursday Mostly sunny and hot, with a high near 96.
  • Thursday Night Partly cloudy, with a low around 67.
  • Friday Mostly sunny, with a high near 94.