diff --git a/config/runtime.exs b/config/runtime.exs
index b2642675..c7f4c208 100644
--- a/config/runtime.exs
+++ b/config/runtime.exs
@@ -81,6 +81,8 @@ if config_env() == :prod do
 
   config :microwaveprop, :dns_cluster_query, System.get_env("DNS_CLUSTER_QUERY")
   config :microwaveprop, srtm_tiles_dir: "/srtm"
+  config :microwaveprop, hrrr_cache_dir: "/hrrr"
+  config :microwaveprop, hrrr_base_url: System.get_env("HRRR_BASE_URL", "http://skippy.w5isp.com:8080")
 
   # ## SSL Support
   #