WWUS85 KTFX 220501 SPSTFX Special Weather Statement National Weather Service Great Falls MT 1101 PM MDT Sat Mar 21 2026 MTZ313-314-220800- Judith Basin County and Judith Gap-Fergus County below 4500ft- Including the cities of Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, Moccasin, Hilger, and Lewistown 1101 PM MDT Sat Mar 21 2026 ...Areas of fog over Central MT overnight... Areas of fog will affect Central MT overnight tonight. The fog will reduce visibility below one half mile at times. Some areas that could see the reduced visibility include Stanford, Eddies Corner and Lewistown. This also includes portions of Highway 87, Highway 191 and Highway 81. Those traveling across Central MT overnight should be prepared for areas of fog and reduced visibility. $$