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.
Temperatures will be a few degrees below average across the UK this weekend, but largely dry conditions are expected.
After no rain for almost a month, Santiago braces for rain early in the week. Cool air follows, spreading into Chile, Argentina and Uruguay mid-week.
There is a significant chance that Jimena will turn back toward Hawaii and threaten the islands during the second week of September.
An unusually strong push of cool air for early September will move southward along the Atlantic Seaboard into the Labor Day weekend before July-like heat returns by next week.
Steering winds could take Ignacio, as a remnant storm, into the southeastern arm of Alaska or British Columbia during the middle days of next week.
Strong thunderstorms will roll across the Upper Midwest while rain and strong winds roar through the Northwest this weekend.
Los Angeles, CA (1988)
110 degrees -- all-time September record.
Washington, DC (1939)
"Once in a hundred-year rainstorm" 4.40 inches in 2 hours at the Washington Zoo.
Minneapolis, MN (1941)
Tornado - 5 dead - $450,000 damage.