NATIONAL WEATHER SERVICE MARQUETTE MI
4:00 AM Wednesday MAY 24.
synopsis, a 29.5 inch low pressure over the ohio valley will track over the eastern great lakes thursday and new england on friday. a 29.9 inch ridge extending from the western dakotas to hudson bay today will reach the upper great lakes on thursday and weaken to 29.7 inches. this ridge will shift east on friday as low pressure of 29.4 inches moves into eastern manitoba. this low will weaken to 29.5 inches over northern ontario on saturday and remain nearly stationary through sunday.