| What the Wine Industry Means to Walla Walla | 11/29/2018 7:00 PM - 8:00 PM |
| Where's Waldo at the Library! | 07/02/2019 2:00 PM - 3:00 PM |
| Whitman Mission comes to the library | 07/09/2024 2:00 PM - 4:00 PM |
| Whitman Teaches "The Movement" | 02/16/2019 10:00 AM - 1:00 PM |
| Wildfire Fire Readiness in SE Washington: Be Prepared! | 05/30/2019 7:00 PM - 8:30 PM |
| Winter Crafts | 12/14/2022 2:00 PM - 5:00 PM |
| Winter Reading Challenge Snowball Fight: Drop-in Reading for PiHi & Garrison Students | 12/07/2022 3:00 PM - 7:00 PM |
| Winter Reading Challenge Snowball Fight: Drop-in Reading for PiHi & Garrison Students | 12/14/2022 3:00 PM - 7:00 PM |
| Winter Reading Challenge Snowball Fight: Drop-in Reading for PiHi & Garrison Students | 12/21/2022 3:00 PM - 7:00 PM |
| Winter Reading Challenge Snowball Fight: Drop-in Reading for PiHi & Garrison Students | 12/28/2022 3:00 PM - 7:00 PM |
| Winter Reading Challenge Snowball Fight: Drop-in Reading for PiHi & Garrison Students | 01/04/2023 3:00 PM - 7:00 PM |
| Winter Reading Challenge Snowball Fight: Drop-in Reading for PiHi & Garrison Students | 01/11/2023 3:00 PM - 7:00 PM |
| Winter Wildlife Celebration | 01/06/2024 10:00 AM - 12:00 PM |
| Wolves in the Blues | 10/18/2018 6:00 PM - 7:00 PM |
| Wonders of Weird with author Kelly Milner Halls | 03/27/2019 6:30 PM - 8:00 PM |
| Wooden Toy Day | 09/22/2021 |
| Wooden Toy Day | 09/29/2021 |
| Wooden Toy Day | 10/20/2021 |
| Wooden Toy Day | 10/13/2021 |
| Wooden Toy Day | 10/06/2021 |
