diff --git a/scripts/katana/katana.slurm b/scripts/katana/katana.slurm
index 569a641..7540bd2 100644
--- a/scripts/katana/katana.slurm
+++ b/scripts/katana/katana.slurm
@@ -19,16 +19,17 @@
 module load miniforge
 mamba activate katana
 
-START_YEAR=2019
-START_MONTH=10
-
-## Update these variables with the actual paths ##
-INPUT_DIR=/path/to/HRRR
-KATANA_OUTPUT_DIR=/path/to/katana/output/
-
+## Update path to katana ini file ##
 KATANA_INI=/path/to/katana.ini
 ## -------------------------------------------- ##
 
+# Extract variables from ini file.
+START_DATE=$(grep -E '^start_date' "$KATANA_INI" | cut -d':' -f2 | awk '{$1=$1;print}')
+START_YEAR=$(echo "$START_DATE" | cut -d'-' -f1)
+START_MONTH=$(echo "$START_DATE" | cut -d'-' -f2)
+INPUT_DIR=$(grep -E '^hrrr_directory' "$KATANA_INI" | cut -d':' -f2 | awk '{$1=$1;print}')
+KATANA_OUTPUT_DIR=$(grep -E '^out_location' "$KATANA_INI" | cut -d':' -f2 | awk '{$1=$1;print}')
+
 for MONTH in {0..11}; do
   START=($(date -d "${START_MONTH}/01/${START_YEAR} + ${MONTH} month" "+%m %Y"))
   END=($(date -d "${START_MONTH}/01/${START_YEAR} + $((MONTH + 1)) month" "+%m %Y"))