Well Below Normal
Temperatures drop to 6-12 degrees below normal as Arctic air streams in.
General Overview: ACTIVE WEATHER PATTERN ACROSS THE NATION WITH MIXED PRECIPITATION ACROSS THE GREAT LAKES AND NORTHEAST, WHILE MULTIPLE SYSTEMS BRING RAIN AND SNOW TO THE PACIFIC NORTHWEST. TEMPERATURE CONTRASTS WILL BE SIGNIFICANT WITH BELOW NORMAL TEMPERATURES ACROSS THE EASTERN HALF OF THE COUNTRY AND ABOVE NORMAL TEMPERATURES ACROSS THE WESTERN STATES.
EAST: A cold front moving through the Northeast will bring rain and mixed precipitation to the region on Monday, with some areas potentially seeing freezing rain. By Tuesday, this system will expand across the Great Lakes region with widespread mixed precipitation and snow. The Northeast coast will experience rain showers as the front pushes offshore. As the week progresses, high pressure will build in from the Southeast, bringing drier conditions by midweek. Another system may approach the Northeast by late week with additional precipitation chances. The Great Lakes region will continue to see periods of mixed precipitation and snow through midweek, particularly across Michigan and portions of New York.
Temperature Anomalies:
-Days 1-3: Below normal temperatures prevailing across most of the region, with anomalies of 6-12 degrees below normal, particularly across the interior Northeast and Mid-Atlantic. Coastal areas will see less dramatic cooling.
-Days 4-6: Temperatures moderate slightly but remain below normal for most areas. The Southeast will see near normal temperatures as high pressure builds in, while the Northeast continues with cooler than normal conditions.
-Days 7-10: Gradual warming trend with temperatures returning to near normal for most of the region by days 9-10.
CENTRAL: High pressure will dominate the central and southern Plains early in the week, bringing generally dry conditions. A cold front will push through the northern Plains and Upper Midwest by Tuesday, bringing a chance of precipitation to these areas. The front will continue to move southeastward, with low pressure developing along the front in Oklahoma by midweek. This will bring precipitation chances to portions of the Central Plains. By late week, high pressure builds across much of the Central region, leading to drier conditions. The Upper Midwest will continue to see chances for mixed precipitation and snow through midweek.
Temperature Anomalies:
-Days 1-3: Below normal temperatures across the eastern portions of the Central region, including the Midwest and parts of the Plains, with anomalies of 6-12 degrees below normal. Western portions will see near to slightly above normal temperatures.
-Days 4-6: Warming trend begins with temperatures rising to above normal across much of the Plains, particularly in Oklahoma and Kansas where anomalies could reach 6-12 degrees above normal by day 6.
-Days 7-10: Above normal temperatures continue across the Plains and gradually spread eastward, with the warmest anomalies (6-12 degrees above normal) centered on the Central Plains before moderating by day 10.
WEST: Multiple low pressure systems will affect the Pacific Northwest and Northern Rockies early in the week, bringing periods of rain and mountain snow. High pressure will dominate the Southwest initially, but will gradually give way to increasing precipitation chances by midweek as systems move inland. The Pacific Northwest will continue to see active weather with rain along the coast and snow in the higher elevations. By late week, a new system approaches the Northwest coast with another round of precipitation. The Southwest will remain relatively dry under high pressure influence for most of the period.
Temperature Anomalies:
-Days 1-3: Above normal temperatures across much of the West, particularly in the Southwest and Great Basin where anomalies will be 3-6 degrees above normal. The Pacific Northwest will see more variable temperatures due to passing systems.
-Days 4-6: Continued above normal temperatures for most areas, with the warmest anomalies (6-12 degrees above normal) shifting into the interior West, including Wyoming, Colorado, and portions of Idaho and Montana.
-Days 7-10: Above normal temperatures persist but gradually moderate, with anomalies decreasing to 3-6 degrees above normal for most areas by day 10. Some cooling possible in the Pacific Northwest as new systems arrive.
TROPICAL: No tropical cyclone activity is expected during the next 7 days in either the Atlantic or Eastern Pacific basins.