Weather Underground Forecast for Monday, June 17, 2013.
Wet and unsettled weather continues for parts of the East and South on Monday as a cold front dropping southeastward across the Midwest reinforces another frontal boundary extending from the Northeast through the Central Plains. Expect rain and thunderstorm activity along and ahead the advancing cold front in parts of the Great Lakes into the Northeast, while more widely scattered showers and thunderstorms develop to the south of the main frontal disturbance from the Mid-Atlantic and Southeast through the Central and Southern Plains. Areas of locally heavy rain may develop in parts of southeastern Kansas,eastern Oklahoma, and Arkansas.
Meanwhile, thunderstorm will pick up across the High Plains late Monday afternoon. The Storm Prediction Center has issued a slight risk of severe thunderstorm development for parts of the region. While the main concerns with these storms are hail and damaging wind gusts, conditions may turn favorable for isolated tornadoes by the evening.
Out West, an upper level low located off the Pacific Northwest coast will bring progressively better chances for showers to the region over the next few days. The low will slowly work its way closer to the coast through Tuesday, before moving inland Wednesday.
Temperatures in the Lower 48 states Sunday have ranged from a morning low of 26 degrees at West Yellowstone, Mont. to a high of 102 degrees at Needles, Calif.