textproduct: Missoula

DISCUSSION

KEY MESSAGES:

- Warming for the remainder of the work week

- Showers and possible thunderstorms Wednesday night into Thursday for northwest Montana

- A weak disturbance on Saturday causing slightly cooler temperatures and potential of light showers near Glacier NP

Northeasterly winds will be steadily decreasing over the region today through this evening as a ridge of high pressure builds over the region. This ridge will bring warmer air to the Northern Rockies for the latter part of the work week as temperatures will be running around 5 degrees above seasonal averages.

A disturbance is expected to pass over the top of the ridge Wednesday night into Thursday causing scattered shower and possible thunderstorms to northwest Montana. The overnight hours have the best chance for convection then the showers will linger along the Continental Divide by Thursday afternoon.

Another weak disturbance appears to slide over the top of the ridge on Saturday causing slightly cooler temperatures and low probability of showers near Glacier National Park.

AVIATION

Mid to high level level clouds will continue along the Continental Divide through this evening. While terrain driven cumulus will affect the remainder of the Northern Rockies this afternoon into early evening. The northeast winds are expected to diminish during the evening hours as a ridge of high pressure builds over the region.

MSO WATCHES/WARNINGS/ADVISORIES

MT...None. ID...None.