The National Weather Service (NWS) reported that heavy rain and a cooler outlook could be likely in Western US. Meanwhile, snow potential can unload in the Sierra Nevada Mountains.

The Pacific Northwest has experienced relief from heat due to the cold front and cooler weather conditions. However, residents can expect possible flooding concerns due to heavy rain.

People with outdoor activities should remain alert to the latest forecasts in the Western US. The heavy precipitation can lead to slower commutes or travel disruptions.

Western US: Cooler Weather and Chances of Snow

(Photo : NESDIS via NOAA Satellite View as of September 30, 2023)
NESDIS via NOAA Satellite View as of September 30, 2023. Rainy outlook and cooler weather are expected in the Western US, especially in California. Snow is likely to unload in the Sierra Nevada Mountains due to an upper-level trough.

According to the National Weather Service (NWS), the upper-level low developing over the Great Basin is expected to weaken early next week.

Rainy weather outlook is possible in the Pacific Northwest, Great Basin, California and Northern Intermountain Region this Saturday.

In addition, the temperatures are forecast to reach from 20 to 20 degrees below average in the said areas on the weekend.

The western US can feel the cooler weather outlook as the fall weather begins. There is potential snow that could develop next week.

On the weekend, the chilly weather conditions are expected in the following areas in the West:

  • Seattle
  • Spokane
  • Portland
  • Helena
  • Boise
  • Redding
  • Reno
  • Salt Lake City
  • Cedar City
  • Fresno
  • Las Vegas

Rain can occur in San Franciso, Denver, Los Angeles and San Diego. Californians with travel plans should bring an umbrella due to possible rain outlook in the early week.

Moreover, a snowy outlook could unleash in Montana, Wyoming and Idaho. Salt Lake City can expect patches of snow, including in high-elevated areas in the West.

Next week, the colder pattern can spread over the Western US from Monday to Tuesday. Cooler conditions are expected in the following areas:

  • Seattle
  • Spokane
  • Helena
  • Billings
  • Casper
  • Boise
  • Salt Lake City
  • Las Vegas
  • Flagstaff
  • Reno
  • Medford
  • Portland

Florida Weather Outlook and Lower Mississippi Valley

The advisory added that below-normal temperatures can unfold in the Mid-Atlantic and Northeastern US on Saturday.

In Florida, recent reports showed that challenging surf and waves were reported in the region due to a slow-moving low pressure. This weekend, the tropical moisture can bring rainy conditions on Monday.

Meanwhile, a thunderstorm outlook can be unleashed in Florida due to a weak front on Saturday. The front is forecast to weaken this weekend.

In addition, the Upper Midwest can expect thunderstorm conditions. Homeowners should check the weather before going out for outdoor fun.

Above-normal temperatures can occur in the following areas on Saturday:

  • Middle Mississippi Valley
  • Central Plains
  • Lower Mississippi Valley
  • Ohio Valley
  • Tennessee Valley

Also Read: US Weather Forecast: Unusual Warmer Outlook To Hit East Coast, Central US After Experiencing Relentless Rain

Keeping Safe From Flooding Rain and Thunderstorms

The latest forecasts warned of the flooding rain accompanied by thunderstorms. It is best that homeowners should potentially travel this weekend.

Furthermore, homeowners can keep emergency kits if the weather causes travel dangers and power outages.

Related Article: Northeast US Weather: Flooding Rain, Travel Disruption To Unload in Interstate 95 Corridor This Weekend

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