The National Weather Service issued hazardous weather and flood advisory warnings early this morning.
Washington County is one of several areas in central and southern Minnesota as well as western Wisconsin
Thunderstorms came on strong this morning and continued to move across central Minnesota and western Wisconsin. The NWS projected the storms would produce hail up to one inch as well as heavy downpours and a lot of pea-sized hail.
Due to the storms the NWS also issued an urban and small stream flood advisory for Dakota, Ramsey, Scott, Hennepin and Washington counties.
This morning the NWS Doppler radar showed the line of storms was moving at 25 miles per hour and rainfall rates were up to 2 inches an hour.
Runoff from the excessive rainfall was projected to cause minor flooding, especially along small streams, near low water crossings, highways, streets and underpasses and drainage areas. Areas predicted to experience minor flooding include, Bayport, Lake Elmo and Lakeland.
The NWS warned drivers not to drive their vehicles in areas where water covers the roadway.
The severe weather threat was expected to increase this afternoon and evening with a slight risk for damaging straight line winds and even a couple tornadoes. The tornado threat is concentrated in east central Minnesota and western Wisconsin. Other hazardous weather threats include a hail and wind threat. The most severe weather is expected 4-9 pm this evening.
Additional thunderstorms are possible this weekend as a warm front lifts into the area and another cold front passes through. Although there is still some uncertainty, there are a few strong to severe storms possible on Saturday afternoon and evening.