diff --git a/.trunk/trunk.yaml b/.trunk/trunk.yaml
index 307b1d0..5550d60 100644
--- a/.trunk/trunk.yaml
+++ b/.trunk/trunk.yaml
@@ -1,6 +1,6 @@
 version: 0.1
 cli:
-  version: 1.17.0
+  version: 1.17.1
   options:
     - commands: [upgrade]
       args: -y --no-progress
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c3628ce..7c6fc9f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -51,8 +51,8 @@ Neovim plugins are setup as follows:
   - [trunk.lua](lua/trunk.lua), which defines global state for the lifetime of the plugin, provides
     functionality for each of the vimscript commands, and launches the Trunk LSP server.
   - [log.lua](lua/log.lua), which manages logging, which is written to `.trunk/logs/neovim.log` and
-    is flushed periodically. When run from outside of a Trunk repo, this log is written to
-    `/tmp/neovim_trunk.log`.
+    is flushed periodically. When run from outside of a Trunk repo, this log is written to a
+    tempfile.
 
 These files interface with the built-in [Neovim LSP framework](https://neovim.io/doc/user/lsp.html)
 to provide inline diagnostics and other features.
diff --git a/lua/log.lua b/lua/log.lua
index d31806b..70cb338 100644
--- a/lua/log.lua
+++ b/lua/log.lua
@@ -40,7 +40,7 @@ local default_config = {
 	use_file = true,
 
 	-- Default file to write
-	out_file = findWorkspace() and findWorkspace() .. "/.trunk/logs/neovim.log" or "/tmp/neovim_trunk.log",
+	out_file = findWorkspace() and findWorkspace() .. "/.trunk/logs/neovim.log" or os.tmpname(),
 
 	-- Any messages above this level will be logged.
 	level = "info",
diff --git a/lua/trunk.lua b/lua/trunk.lua
index 262ba28..41fa19a 100644
--- a/lua/trunk.lua
+++ b/lua/trunk.lua
@@ -257,19 +257,40 @@ local function start()
 				local cursor = vim.api.nvim_win_get_cursor(0)
 				local filename = vim.api.nvim_buf_get_name(0)
 				local workspace = findWorkspace()
+				if is_win() then
+					workspace = workspace:gsub("/", "\\")
+				end
 				-- if filename doesn't start with workspace
 				if workspace == nil or filename:sub(1, #workspace) ~= workspace then
 					return
 				end
+
 				local bufname = vim.fs.basename(vim.api.nvim_buf_get_name(0))
 				local handle = io.popen("command -v timeout")
 				local timeoutResult = handle:read("*a")
 				handle:close()
 				-- Stores current buffer in a temporary file in case trunk fmt fails so we don't overwrite the original buffer with an error message.
-				local tmpFile = "/tmp/.trunk-format-" .. bufname
-				local tmpFormattedFile = "/tmp/.trunk-formatted-" .. bufname
+				local tmpFile = os.tmpname()
+				local tmpFormattedFile = os.tmpname()
 				local formatCommand = ""
-				if is_win() or timeoutResult:len() == 0 then
+				if is_win() then
+					logger.debug("Formatting on Windows")
+					-- TODO(Tyler): Handle carriage returns correctly here.
+					-- NOTE(Tyler): Powershell does not have && and || so we must use cmd /c
+					formatCommand = (
+						':% ! cmd /c "tee '
+						.. tmpFile
+						.. " | "
+						.. table.concat(executionTrunkPath(), " ")
+						.. " format-stdin %:p >"
+						.. tmpFormattedFile
+						.. " && cat "
+						.. tmpFormattedFile
+						.. " || cat "
+						.. tmpFile
+						.. '"'
+					)
+				elseif timeoutResult:len() == 0 then
 					logger.debug("Formatting without timeout")
 					formatCommand = (
 						":% !tee "
@@ -278,9 +299,9 @@ local function start()
 						.. table.concat(executionTrunkPath(), " ")
 						.. " format-stdin %:p >"
 						.. tmpFormattedFile
-						.. "&& cat "
+						.. " && cat "
 						.. tmpFormattedFile
-						.. "|| cat "
+						.. " || cat "
 						.. tmpFile
 					)
 				else
@@ -294,15 +315,17 @@ local function start()
 						.. table.concat(executionTrunkPath(), " ")
 						.. " format-stdin %:p >"
 						.. tmpFormattedFile
-						.. "&& cat "
+						.. " && cat "
 						.. tmpFormattedFile
-						.. "|| cat "
+						.. " || cat "
 						.. tmpFile
 					)
 				end
 				logger.debug("Format command: " .. formatCommand)
 				vim.cmd(formatCommand)
 				local line_count = vim.api.nvim_buf_line_count(0)
+				os.remove(tmpFile)
+				os.remove(tmpFormattedFile)
 				vim.api.nvim_win_set_cursor(0, { math.min(cursor[1], line_count), cursor[2] })
 			end
 		end,