Every forecast across The Wabash Valley, highway-clear.
Official National Weather Service forecasts for Terre Haute and the Wabash Valley — ten counties down the Illinois line, from Terre Haute and Brazil south through Sullivan and Vincennes to Washington, and east to Spencer and Bloomfield.
Every Indiana region shares one system — the same maps, the same live radar, the same climate record. The Wabash Valley sits over one of the few seismic zones east of the Rockies, but the weather is the nearer problem: this stretch of the Illinois line is the eastern end of the corridor that produced the Tri-State Tornado, and the valley funnels the spring storms up it. The river itself floods the bottoms most springs.