diff --git a/zsh/scwrypts/README.md b/zsh/scwrypts/README.md
index f15c513..d6e3337 100644
--- a/zsh/scwrypts/README.md
+++ b/zsh/scwrypts/README.md
@@ -50,6 +50,14 @@ Setting the `AWS_REGION` variable will cause scwrypts to ignore the `__select` s
 
 CI will fail on select, because CI fails on any FZF prompt.
 
+#### `__override` Environment Variables
+Override any variable with the indicated value.
+This will take precedence over existing values *and* any other special environment variable types.
+
+Examples of use:
+- temporarily changing a single value in your current session (e.g. `export VARIABLE__override=value`)
+- overriding a variable for a one-time command (e.g. `VARIABLE__override=value scwrypts ...`)
+
 
 ## Logs
 Quickly view or clear Scwrypts logs.
diff --git a/zsh/utils/environment.zsh b/zsh/utils/environment.zsh
index 84dde90..8332800 100644
--- a/zsh/utils/environment.zsh
+++ b/zsh/utils/environment.zsh
@@ -8,6 +8,9 @@ __CHECK_ENV_VAR() {
 	local NAME="$1"
 	[ ! $NAME ] && return 1
 
+	local OVERRIDE_VALUE=$(eval echo '$'$NAME'__override')
+	[ $OVERRIDE_VALUE ] && export $NAME=$OVERRIDE_VALUE && return 0
+
 	local OPTIONAL="$2"
 	local DEFAULT_VALUE="$3"