Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 235 PM EST Sat Jan 25 2025 Valid 00Z Sun Jan 26 2025 - 00Z Tue Jan 28 2025 ...Rain and snow for Southern California... ...Light snow over the Great Lakes... ...There is a Critical Risk of fire weather over parts of Arizona on Saturday... A developing upper-level low over California will slowly move to Southeastern California by Monday evening. The system will produce rain and higher-elevation snow over parts of Central/Southern California through Monday. Moderate snow will develop over parts of the Sierra Nevada Mountains, and heavy snow will fall over the San Gabriel and San Bernardino Mountains. Moreover, the SPC has issued a Critical Risk of fire weather over parts of Arizona on Saturday and an Elevated Risk of fire weather on Sunday. Meanwhile, a front extending from the Great Lakes to the Southern High Plains will move eastward to off the Northeast/Mid-Atlantic by Sunday evening. The storm will produce light snow over the Great Lakes into the higher elevations of Northern New England through Sunday evening. Moderate to heavy lake-enhanced snow will also downwind from Lake Ontario. On Monday, another front moves southward out of Central Canada into the Upper Great Lakes. From Monday afternoon into evening, the system will develop light snow over the Great Lakes. Furthermore, a wave of low pressure over the Southern Plains will move northeastward to the Carolinas by Monday. The boundary will trigger showers and thunderstorms over parts of the Southern Plains, moving into the Lower Mississippi Valley by Sunday morning. Overnight Sunday, the showers and thunderstorms will expand eastward into the Southeast and by Monday evening, the showers and thunderstorms will begin to taper off along the front. Ziegenfelder Graphics available at https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php