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
- Upper ridging will keep northeast Montana warm today.
- A cold front on Saturday will bring chance for showers and thunderstorms.
- Upper low will bring widespread showers with isolated to scattered thunderstorm with cooler temperatures Saturday night and Sunday.
DISCUSSION
WEATHER PATTERN OVERVIEW:
Upper ridge over eastern Montana this morning will move to the east today. An upper trough/low will move inland from the Pacific and reach Montana and the Canadian Prairies on Sunday.
Isolated to scattered showers and thunderstorms over northeast Montana early this morning associated with a weak shortwave will either diminish or move to the east by 8 am.
Most of the forecast area will be dry and warm today and tonight will shortwaves staying to the south. Areas along and south of MT 200 could have chances for showers at times.
A wave in the SW flow aloft will bring a cold front through eastern Montana during the day on Saturday with chance for showers and thunderstorms that will continue Saturday night.
The upper trough/low moves into Montana on Sunday with cooler temperatures and showers and thunderstorms. The upper low lifts into Alberta and Saskatchewan Sunday night and Monday with models differing where the dry slot versus wrap around precipitation will be in NE Montana. FORECAST CONFIDENCE & DEVIATIONS: Only deviation to NBM was to tweak PoPs today through Saturday.
There is low confidence for chances of any precipitation today and tonight. Confidence increases during the day on Saturday for precipitation chances and there is a high confidence of showers and storms Saturday night and Sunday.
AVIATION
LAST UPDATED: 0630Z.
FLIGHT CAT RANGE: VFR.
DISCUSSION: There will be varying amounts of mid and high clouds today and tonight across the region. An isolated shower or thunderstorm is possible but confidence of this occurring is low at this point.
WINDS: SE at 5 to 15 knots early this morning, becoming light and variable after 11Z, becoming northwest at 5 to 10 knots after 18Z today. Light and variable winds are expected after 00z Saturday.
GGW WATCHES/WARNINGS/ADVISORIES
None.
IMPORTANT This is an independent project and has no affiliation with the National Weather Service or any other agency. Do not rely on this website for emergency or critical information: please visit weather.gov for the most accurate and up-to-date information available.
textproduct.us is built and maintained by Joshua Thayer.