36.6' - Prairie Island power plant may go to an emergency state to prepare for flooding.<br><br>29.5' - Prairie Island power plant may go to an alert state to prepare for flooding.<br><br>23' - Highway 10 at Point Douglas may be closed due to safety concerns.<br><br>20.39' - Lock and dam 2 may end operations.<br><br>20' - Flooding begins at Point Douglas.<br><br>19' - Flood waters begin to affect eastern portions of Hastings.<br><br>