Currently, a high pressure dominates the northeast bringing above temperatures to the Maine area until Monday. A cold front will pass through the KPWM sometime on Tuesday afternoon. This FROPA will usher in cloudy and rainy conditions for most of Tuesday and into parts of Wednesday. An upper-level cutoff low develops in the middle of the country by Wednesday bring unsettled weather for the Lower Mississippi and Ohio River Valley regions. As a result, a ridge will build in over the norrtheastern US for the end of this week. I expect normal temperatures over KPWM at the begining of the forecasting period and will increase steadly starting Thursday.
The GFS and Eta-WRF models are producing slightly different solutions for the upper-level low. The GFS has the low further east while, the Eta-WRF has it retrograding slightly west. This upper-low could effect how far the ridge is formed off the east coast as well as the weather in Denver for the latter part of this week.
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