textproduct: Great Falls
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
- Scattered showers and thunderstorms are possible most days over the area, expect for Saturday, when it should be mostly dry.
- Afternoon temperatures will warm to a few degrees above average by Saturday.
DISCUSSION
- Meteorological Overview: A summer weather pattern is setting up over the CWA for the next several days. This means almost daily chances for afternoon/evening showers/thunderstorms, along with slightly above normal temperatures starting this weekend.
Overall for the next several days we will generally be in a westerly flow aloft, with just some weak shortwave riding from time to time. This will result in almost daily chances for showers/thunderstorms but also result in afternoon temperatures not getting to excessively warm.
- Forecast Confidence & Scenarios:
Thunderstorm potential -> There is almost daily chances for storms over the CWA for the next week or so. At this time, I am not expecting any widespread severe storms, but with afternoon instability an isolated severe storm, or a storm producing heavy rainfall can not be completely ruled out.
Overall, at this time, Saturday is looking to be one of the drier days across the CWA, with little to no precipitation on that one day.
The surface winds will be a bit breezy on Saturday in the Cut Bank area, maybe gusting around 35 mph at times. This is not overly high, but could have impacts for any lighting fireworks. Brusda
AVIATION
02/12Z TAF Period
An isolated morning shower is possible before 15z, otherwise another round of showers/thunderstorms is expected this afternoon/evening, mostly over the eastern portions of the CWA. Mountains/passes could be obscured for a short time later today by a passing thunderstorm. Brusda
HYDROLOGY
A flood advisory will continue for recreation areas until further notice for the Many Glacier area in Glacier National Park, as flood waters slowly recede. Brusda
PRELIMINARY POINT TEMPS/POPS
GTF 78 52 79 51 / 0 0 10 10 CTB 73 49 74 50 / 0 0 0 0 HLN 76 52 78 51 / 10 0 30 10 BZN 76 48 77 48 / 10 10 10 20 WYS 72 38 73 39 / 0 10 10 10 DLN 75 46 76 47 / 0 0 10 10 HVR 80 52 81 53 / 10 0 10 10 LWT 75 48 75 48 / 20 10 50 10
TFX WATCHES/WARNINGS/ADVISORIES
None.
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