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

- Much cooler temperatures with isolated showers through Tuesday following a cold front.

- Another slow warm up is expected midweek with slightly above normal temperatures by the weekend.

- Instability brings slight chances for showers and thunderstorms for the weekend.

DISCUSSION

WEATHER PATTERN OVERVIEW:

Following a cold front and deepening trough overnight, winds will gradually shift northerly today with much cooler highs in the 40s/50s and scattered showers (mostly virga for some). A few lingering showers Tuesday morning will likely fall as snow given the temperature profile. As another upper level ridge expands eastward, the pattern will rebound temperatures to seasonably warm levels with a continuation of limited moisture available for precipitation.

By late in the week, periodic shortwaves will pass through and bring scattered showers and thunderstorm activity, mostly favoring elevated areas in the southwest zones. More persistent chances for precipitation look to return next weekend, with models beginning to hint at another shortwave trough at the end of the workweek. However, most ensemble members at this time show a tenth of an inch or less for rain amounts.

FORECAST CONFIDENCE & DEVIATIONS:

Increased day 1 - 2 winds and gusts. Confidence is moderate or average for the extent of warming and further drying later this week based on advancement of upper ridging to the west. After midweek there is very little model agreement in the strength and location of troughing and closed lows.

AVIATION

LAST UPDATED: 0700Z

FLIGHT CAT RANGE: VFR

DISCUSSION: Dry weather with BKN TO OVC mid level clouds with isolated rain showers behind a cold front. Brief enhanced or erratic wind potential will be the main impact of any showers versus visibility reduction.

WIND: NW at 15 to 20 kts, increasing to 20 to 25 kts gusting to 30 kts after 15Z. Then, decreasing to N around 10 kts by 06Z.

GGW WATCHES/WARNINGS/ADVISORIES

Lake Wind Advisory until 7 PM MDT this evening for Central and Southeast Phillips-Central and Southern Valley-Garfield-McCone- Petroleum.

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