textproduct: Glasgow

KEY MESSAGES

- Isolated to scattered rain showers will mix with and change to snow showers from NW to SE today.

- Below normal temperatures are expected for today and Friday with persistent northwest gusty winds.

- Expect a warming trend over the weekend and early next week with drier weather conditions.

DISCUSSION

WEATHER PATTERN OVERVIEW: The next low pressure system and cold front will continue to move through the forecast area this morning. Northwest winds will increase behind the front this morning and a Lake Wind Advisory will remain in effect from 9 am to 9 pm today.

Colder air will turn isolated to scattered rain showers into snow showers from NW to SE across the region. Some areas along the Canadian Border may receive an inch of snow from this system. Otherwise, Little or no accumulation is expected.

Upper trough moves through the area tonight with the precipitation chances ending. Cold air remains over the area on Friday with NW flow aloft. After cold nights Thursday night and Friday night with lows in the teens and 20s. Temperatures will be somewhat warmer on Saturday as the coldest air moves to the east the bright April sun shines on the area.

Upper ridge builds into the area starting on Sunday with dry and warmer weather that will continue for a few days. .

FORECAST CONFIDENCE & DEVIATIONS: Near term winds were adjusted with a blend of NBM90 following a period of decent cold air advection today and lowering heights with the approaching trough. Confidence is increasing on total precipitation remaining light overall today but remains below average on precipitation type and snowfall amounts near the Canadian border given marginal temperature thresholds.

AVIATION

LAST UPDATE: 0400Z

FLIGHT CAT RANGE: VFR - IFR

DISCUSSION: VFR will transition to MVFR and IFR at KGGW and KOLF this morning as low clouds move in behind a cold front. The MVFR ceilings may or may not reach KGDV and KSDY today. There will be rain showers at times that will either mix with or change into snow showers today with reduced visibilities at times.

A mix of VFR and MVFR ceilings are expected tonight with a mix of low and mid level clouds over the area.

WIND: Either variable or NE winds early at 5 to 15 knots becoming NW 15 to 25 knots, gusting to 35 knots between 13z and 15z. NW winds will diminish to 10 to 15 knots tonight.

GGW WATCHES/WARNINGS/ADVISORIES

Lake Wind Advisory from 9 AM this morning to 9 PM MDT this evening for Central and Southeast Phillips-Central and Southern Valley-Garfield-McCone-Petroleum.