Events

Hot air balloons over river with kayakers.

Great Prosser Balloon Rally

September 26 - September 28
Harvest Festival poster with pumpkin and autumn leaves.

Harvest Festival & Street Painting

September 26 - September 28
Autumn-themed Bubbles and Bites logo with leaves.

Bubbles & Bites

November 8

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States Day Celebration, longest parade in Central Washington.

98th Annual States Day Celebration

Prosser City Park 1328 Sommers Avenue, Prosser

Prosser's oldest community event, "States Day" will be held on Monday, Sept 1st, 2025, and offers something for the whole family. Kicking off the day is the Grand Parade which…

Food Truck Fridays at Mercer Wine Estates

September 5 @ 3:00 pm - 8:00 pm

Line Dancing Lessons

September 5 @ 6:00 pm - 8:00 pm

Prosser Farmers Market

September 6 @ 8:00 am - 12:00 pm

The Nelson Gallery

September 6 @ 3:00 pm - 8:00 pm

Lounging at the Loft

September 6 @ 6:00 pm - 9:00 pm

The Blues Beatles Concert on the Patio at WIT

September 6 @ 6:00 pm - 9:30 pm

The Blues Beatles Concert on the Patio at WIT

September 6 @ 7:00 pm - 9:30 pm

Food Truck Fridays at Mercer Wine Estates

September 12 @ 3:00 pm - 8:00 pm

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