Severe Weather Watch for Southeast Wyoming, Central Wyoming
UPDATE 8:19 p.m. Wednesday - Both the tornado warning for east-central Platte County and the tornado watch for southeastern Wyoming have expired.
A flash flood warning remains in effect until midnight for central and east-central Platte County.
The National Weather Service says areas of standing water have been reported on Interstate 25 through Platte County.
UPDATE 7:55 p.m. Wednesday - A tornado warning has been posted for east-central Platte County until 8:15 p.m.
The National Weather Service says the storm will be near Guernsey at around 8:10 p.m. and Guernsey Campground at 8:15 p.m.
The storm was detected seven miles southwest of Guernsey and is moving northeast at 15 mph.
UPDATE 6:08 p.m. Wednesday - The National Weather Service has posted a flash flood warning for central Platte County through 11:30 p.m. Wednesday.
Meteorologists say Wheatland is included in the warning.
A tornado watch remains in effect until 8 p.m. for the southeastern corner of Wyoming.
UPDATE 4:33 p.m. Wednesday - The flash flood warning for Natrona County has expired.
A tornado watch remains in effect until 8 p.m. Wednesday for Laramie, Platte and Goshen counties. The watch area also extends into northern and central Colorado.
UPDATE 3:52 p.m. Wednesday - The severe thunderstorm warning for Converse County has been lifted by National Weather Service meteorologists.
The flash flood warning for Natrona County remains in effect through 4:30 p.m.
UPDATE 3:14 p.m. Wednesday - A severe thunderstorm warning has been posted for central Converse County, officials with the National Weather Service say.
Meteorologists say the storm is located eight miles northeast of Deer Creek, is moving northeast at 25 mph, and should bring quarter-sized hail and 60 mph winds. The storm will likely impact only rural areas of the county.
The warning has been posted through 4 p.m.
The National Weather Service has also extended its flash flood warning for Natrona County through 4:30 p.m.
UPDATE 2:26 p.m. Wednesday - The National Weather Service has lifted its severe thunderstorm warning for Natrona County.
A flash flood warning remains for several locations near and on Casper Mountain through 4 p.m.
UPDATE 1:58 p.m. Wednesday - The National Weather Service has posted a flash flood warning for east-central Natrona County through 4 p.m.
NWS says areas affected by the warning include Beartrap Meadow, Hogadon Ski Area and the Sheep Herder Hill Fire burn scar.
Meteorologists say the slow-moving thunderstorm has already brought over an inch of rain to some locations over a 30-minute span.
UPDATE 1:50 p.m. Wednesday - The National Weather Service has posted a severe thunderstorm warning for Natrona County through 2:45 p.m.
NWS says the storm is centered near Beartrap Meadow. The storm will be near the Sheep Herder Hill Fire burn scar at 1:55 p.m. and Interstate 25 exit 182 at around 2:15 p.m.
Meteorologists say the storm will bring 60 mph winds and quarter-sized hail.
ORIGINAL STORY - The National Weather Service has posted a tornado watch for southeast Wyoming and the western Nebraska panhandle though 8 p.m. Wednesday.
Wyoming counties listed in this watch include Laramie, Platte and Goshen.
National Weather Service meteorologists say scattered thunderstorms will begin to develop this afternoon and evening. Large hail will be the primary threat, but tornadoes may be possible along with heavy rain.