* WHAT. Flooding caused by excessive rainfall is expected. * WHERE. A portion of northeast Colorado, including the following county, north central Weld. * WHEN. Until 800 PM MDT. * IMPACTS. Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS. - At 506 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 1.5 inches of rain have fallen. - Additional rainfall amounts of 0.2 to 0.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include. Grover and Hereford.

FFWCYS The National Weather Service in Cheyenne has issued a * Flash Flood Warning for. Southeastern Laramie County in southeastern Wyoming. * Until 800 PM MDT. * At 457 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD. Flash flooding caused by thunderstorms. SOURCE. Radar. IMPACT. Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include. Egbert, Carpenter and Pine Bluffs Municipal Airport. This includes Interstate 80 in Wyoming between mile markers 390 and 399.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 439 IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN COLORADO THIS WATCH INCLUDES 4 COUNTIES IN NORTHEAST COLORADO LOGAN MORGAN SEDGWICK WELD THIS INCLUDES THE CITIES OF FORT MORGAN, GREELEY, JULESBURG, STERLING, AND WINDSOR.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 439 IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN NEBRASKA THIS WATCH INCLUDES 8 COUNTIES IN PANHANDLE NEBRASKA BANNER BOX BUTTE CHEYENNE DAWES KIMBALL MORRILL SCOTTS BLUFF SIOUX IN WYOMING THIS WATCH INCLUDES 5 COUNTIES IN EAST CENTRAL WYOMING CONVERSE NIOBRARA IN SOUTHEAST WYOMING GOSHEN LARAMIE PLATTE THIS INCLUDES THE CITIES OF AGATE, ALLIANCE, ANGORA, BAYARD, BILL, BORDEAUX, BRIDGEPORT, BROWNSON, CHADRON, CHADRON ST PARK, CHEYENNE, DEER CREEK, DOUGLAS, GERING, GLENROCK, GUERNSEY, HARRISBURG, HARRISON, HEMINGFORD, KIMBALL, LUSK, REDBIRD, REDINGTON, SCOTTSBLUFF, SIDNEY, TORRINGTON, AND WHEATLAND.