Elijah prophesied to King Ahab that there wouldn’t be any rain or dew in his land for years. Then God sent him out of the town to go dwell in the wilderness.
A drought came upon the place, just as Elijah had said it would. Even though Elijah wasn’t in the land any longer God’s power remained.
The Lord may put you in a situation only for a while or only to speak a few words. Give it your best efforts though because the effects can be felt long after you’re gone.