Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 355 AM EDT Fri May 29 2020 Valid 12Z Fri May 29 2020 - 12Z Sun May 31 2020 ...There is a slight risk of severe thunderstorms over parts of the Lower Great Lakes/Northern Mid-Atlantic... ...There is a slight risk of excessive rainfall over parts of the Carolinas and parts of the Southeast... ...Temperatures will be 10 to 15 degrees above average over Northern Rockies/Great Basin/Southwest and over parts of the Northeast/Northern Mid-Atlantic... ...There is a critical risk of wildfires over the Great Basin... Front over the Great Lakes will move eastward into high moisture air over the Lower Great Lakes/Northern Mid-Atlantic producing showers and thunderstorms over the region on Friday. The SPC has issued a slight risk of severe thunderstorms over that region. The main threat from the severe thunderstorms will be damaging wind, some hail, and perhaps a tornado. Showers and thunderstorms will develop over parts of the Southern Mid-Atlantic/Southeast. The WPC has issued a slight risk of excessive rainfall over parts of the Carolinas and parts of the Southeast. Some of there storms will produce mainly localized scattered areas of flash flooding on Friday. Behind the cold front, the area from east of the Mississippi Valley to the Northeast will dry out Saturday into Sunday. As the Northeast dries out, a Pacific storm system will soak the Pacific Northwest with periods of rain on Saturday. Heat will be persistent in the West, with high temperatures 10 to 15 degrees above average across California, the Great Basin, and the Southwest through Friday. Daily record temperatures are expected in these areas as temperatures exceed 100 degrees in many places. Heat Advisories and Excessive Heat Warnings are widespread across California and the Southwest. The West Coast should start to cool down by Saturday as a potent upper-level low approaches, but hot temperatures will remain over interior parts of the West. With the heat, there is a critical risk of wildfires over the Great Basin on Saturday. Farther east, the warmest temperature anomalies are expected to be found in Northern New England on Friday. Cooler than average temperatures are forecast across the Mississippi Valley behind the cold front but warmer temperatures return to the High Plains by the weekend. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php