Where was Warning Sign filmed?

1985 film by Hal Barwood

Warning Sign (1985) was filmed in Payson and La Crescenta-Montrose, 2 places named in its Wikipedia article's Filming section, in the United States. Wikidata itself records the shoot only as Utah. Each place says where its claim comes from.

See them on the map → Wikipedia Source data

Places per Wikipedia's Filming section

Wikipedia’s Filming section names 2 places. Each links to the sentence that says so.

Recorded only at country level

Also filmed in Utah, but the exact places are not known, so they are not on the map.

Filming locations that are mapped there: United States

Also shot in these places