Flooding No Longer Forecast at Black River Falls this Evening ... For the Black River the following locations are included: Black River Falls. Forecast rainfall, combined with the already moist soil conditions, has resulted in some rises along the Black River. While there was concern earlier that Black River Falls could approach minor flood stage this evening, water levels are now expected to remain well below flood stage. Black River at Black River Falls...The stage today was 45.00 feet. Flood stage is 47.0 feet. The river is forecast to reach 45.80 feet late tonight, which is below flood stage.