textproduct: Glasgow
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Typical mid to late August conditions are expected through the weekend with warm daytime conditions and comfortable nights.
- Dry weather is expected until late Saturday when the southwest monsoonal flow will bring another risk of thunderstorms.
- Warm and dry conditions resume next week as the western ridge rebounds.
DISCUSSION
WEATHER PATTERN OVERVIEW: NW upper flow over the area will give way to a building upper ridge over the West into Saturday. This will give the area generally dry conditions, but a nocturnal disturbance could drop in across the northeastern zones tonight.
An upper level low off the Pacific NW coast will then move in our direction and tag up with some SW monsoonal moisture for the chance of showers/storms that move northeast through the area Saturday night and exit Sunday evening. Severe thunderstorms are not expected but gusty winds could accompany them. Southeast winds increase Saturday ahead of this disturbance that could make conditions on Fort Peck Lake hazardous.
Ridge rebounds early next week in the wake of the departing disturbance to bring dry conditions with temperatures slightly above normal.
Fire weather is expected to be quiet as humidity will be on the rise with winds this weekend. Otherwise, winds are expected to be generally light through the next seven days.
FORECAST CONFIDENCE & DEVIATIONS: NBM followed for the forecast period. Confidence for timing of precipitation chances over the weekend are moderate with poor continuity from forecast runs. TFJ
AVIATION
UPDATED: 1900Z
FLIGHT CONDITION: VFR
DISCUSSION: Quiet weather conditions are generally expected.
Scattered showers/storms in southern Canada could have some minor effects late tonight as then drop into the KOLF and KSDY aerodomes. Temporary gusty and erratic winds are the more likely impacts.
Otherwise, with a disturbance moving in from the southwest Saturday, southeast winds will increase ahead of it with scattered showers/storms Saturday night into Sunday evening. TFJ
GGW WATCHES/WARNINGS/ADVISORIES
None.
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