Area Forecast Discussion
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
980 FXUS65 KGGW 111145 AFDGGW Area Forecast Discussion National Weather Service Glasgow MT 545 AM MDT Tue Jun 11 2024 .DISCUSSION... KEY MESSAGES: - Multiple warm days with above-normal temperatures are expected through Saturday - Stronger west winds on Wednesday. - Scattered thunderstorms possible by late Friday. WEATHER PATTERN OVERVIEW: Fast zonal flow expected over the northwest states through midweek, gradually transitioning to a higher amplitude pattern by the weekend. Warm conditions expected today, with the approach of a shortwave. As the wave moves across the Canadian prairies on Wednesday, a dry cold front will push through eastern Montana. Temperatures cool slightly and winds will increase behind the front. Ridge builds in from the west for the end of the week, to be followed by a trough moving through the Pacific Northwest on Saturday. With the increasing southwest flow aloft and development of a lee side low in southern Montana, the potential for thunderstorms will be on the increase for the weekend. FORECAST CONFIDENCE and DEVIATIONS: With the wind increase on Wednesday, a Lake Wind Advisory will likely be needed for Fort Peck Lake. Fire weather concerns will also be on the increase, with the gusty winds and dropping humidity behind the front. Fuel conditions and low to moderate fire danger will keep the fire concerns in check for the most part. && .AVIATION... VFR with mostly clear skies through the TAF cycle. West winds will be increasing on Wednesday, resulting in some LLWS during the early morning hours. EQUIPMENT: The METAR for KSDY is missing, thus AMD NOT SKED. && .GGW WATCHES/WARNINGS/ADVISORIES... None. && $$ weather.gov/glasgow