Severe storms are unleashing over the interior West today, bringing the possibility of heavy rain and flash flooding to some areas.
Cities at risk for flash flooding during the storms include Las Vegas, Phoenix, Tucson, Flagstaff, Albuquerque, Salt Lake City, Cedar City in Utah and Riverside, Calif.
Las Vegas has already seen significant rainfall since this morning, with several reports of flash flooding coming out of surrounding areas.
A number of the storms will bring little or no rainfall, frequent lightning strikes and the risk for new wildfires.
To view the full story, click here. Continue to check back as we update on the storms' progression throughout the day.
4:18 p.m. PDT: Henderson Airport Road from the terminal to Volunteer Blvd has been closed due to flash flooding in Clark County, Nevada.
4:15 p.m. PDT: Multiple streets in Boulder City, NV are closed due to flooding and debris.
2:43 p.m. PDT: I-15 Exit 75 is washed out due to flash flooding in Clark County, Nevada.
2:00 p.m. PDT: Large rocks and debris with water running across state Route 62 reported from Amboy Road to Godwin Road in Twentynine Palms, CA (San Bernardino County).
1:15 p.m. PDT: Law enforcement reports flash flooding in San Bernardino County, CA, with rocks and debris washed across the Bailey Road offramp from Interstate 15 northbound.
12:20 p.m. PDT: Park Service reports that multiple roads inside Valley of Fire State Park (Clark County) are closed due to flooding.
12:15 p.m. PDT: Report of up to one foot of water running a roadway in Sloan, NV.
12:15 p.m. PDT: City of Henderson reports many closed intersections due to flash flooding including Sunridge Heights at Seven Hills, Annavelle at Warm Springs and Sunset at Arroyo Grande.
12:00 p.m. PDT: 1.75" of rain recorded since midnight in Sandy Valley, NV, part of Clark County. No major impacts reported at this time.
10:45 a.m. PDT: Half an inch of rain fell near Henderson in 20 minutes.
As cold air blasts into the West and spreads into the Central states, warmth will build in the East, including the Harrisburg, Pa., area much of this week.
As cold air blasts into the West and spreads into the Central states, warmth will build in the East, bringing above-average temperatures to the Boston area this week.
As cold air shuffles into the West and Central states, warmth will build in the East, including the Washington, D.C., area this week.
As cold air blasts into the West and spreads into the Central states, warmth will build in the East, including the Philadelphia area this week.
As cold air blasts the West and reaches the Central states, warmth will build in the East, bringing above-average temperatures to the New York City area this week.
A rare fog event offered stunning views to Grand Canyon visitors.
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Killer tornado in Vicksburg - 38 dead, 270 injured, $25 million.
North Central US (1877-78)
The year without a winter...for example St. Paul was +14.1 degrees in December, +10.5 degrees in Jan., +16.3 in Feb. and +16.2 degrees in March (these are all departures from normal).
New Jersey (1927)
Heavy sleet storm left 1-4" in parts of the state.