Area Forecast Discussion
Issued by NWS Rapid City, SD
Issued by NWS Rapid City, SD
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626 FXUS63 KUNR 261718 AFDUNR Area Forecast Discussion For Western SD and Northeastern WY National Weather Service Rapid City SD 1118 AM MDT Sun May 26 2024 .KEY MESSAGES... - Showers and Thunderstorms today - Warmer and drier for the first half of the week with thunderstorms returning for the second half of the week. && .DISCUSSION...(Today Through Saturday) Issued at 151 AM MDT Sun May 26 2024 Current surface map places weak trough across the Northern Plains. A few showers located across southeastern Montana into northwestern South Dakota associated with weak impulse moving through eastern Montana/northern Wyoming. A stronger shortwave is located along the Idaho/Montana border. Showers linger across northwestern South Dakota early this morning with initial wave. Second shortwave moves through Wyoming into western South Dakota/Nebraska late this afternoon with shower/thunderstorm coverage increasing. Severe thunderstorms are not expected due to weak buoyancy. Upper level ridge builds across the Northern Plains Monday/Tuesday with warmer/drier conditions. High reach the mid 70s/lower 80s on Tuesday/Wednesday Upper trough moves into the northern Rockies Wednesday and into the Plains for the end of the week. This will bring a daily chance of showers and thunderstorms along with slightly cooler temperatures. && .AVIATION...(For the 18Z TAFS Through 18Z Monday) Issued At 1116 AM MDT Sun May 26 2024 Scattered showers and thunderstorms will occur through the afternoon, decreasing in coverage during the evening. Mainly VFR conditions will occur, although LCL MVFR conditions are possible with the stronger showers/storms. && .UNR WATCHES/WARNINGS/ADVISORIES... SD...None. WY...None. && $$ DISCUSSION/KEY MESSAGES...7 AVIATION...10