Lexington, Massachusetts, USA
Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 207 PM EDT Sun Apr 12 2026 Valid 00Z Mon Apr 13 2026 - 00Z Wed Apr 15 2026 ...Strong to severe thunderstorms with heavy rain across the Southern/Central Plains tonight... ...Another round of severe thunderstorms possible across the Upper Midwest to the Great Lakes Monday night into Tuesday morning... ...Critical fire weather risk over the Central/Southern High Plains on Monday... A slow moving low pressure system will bring rain and mountain snow to much of the Northwest through Monday. From Monday night into Tuesday morning, the precipitation across the Pacific Northwest and the Northern Rockies will begin to taper off. However, as the upper-level low digs farther inland across the Desert Southwest toward the Four Corners, scattered showers and high-elevation snows will also spread across these areas. For the mid-section of the country, another low pressure system is forecast to track across the Northern Plains before merging with a cold front dipping into the Great Lakes tonight. Strong to severe thunderstorms along with heavy downpours are expected to move from the Middle Mississippi Valley to the Upper Midwest/Great Lakes tonight. These showers and thunderstorms will weaken as they move into the Northeast on Monday. Also on Monday, the severe weather threat remains in place through central Texas while a new severe weather threat emerges across the upper Midwest later that day. This is in response to a low pressure wave developing along a frontal boundary. Large to very large hail, damaging winds and tornadoes are possible. The severe weather and heavy rain threats will then head east across the Upper Midwest to the Great Lakes Monday night into Tuesday morning. The warm air across the mid-section of the country will expand eastward over the next couple of days, with potential for record breaking temperatures over parts of the Mid-Atlantic, Southeast, Mississippi Valley, and Ohio/Tennessee Valley on Monday night and Tuesday. Meanwhile, a cooling trend will gradually work its way across the western U.S. with ongoing unsettled weather associated with the low pressure system. Warm temperatures, dry air and some gusty winds will promote a critical risk of fire weather over portions of southeastern Colorado, northeastern New Mexico and the Texas/Oklahoma panhandles on Monday. Kebede/Kong Graphics available at https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php