Q2 Billings Area Weather: The focus is on Wednesday's rain, but enjoy Tuesday Scripps By: Ed McIntosh and last updated 2021-05-25 06:46:28-04 BILLINGS â Our focus is on Wednesday with an increasing chance of showers and thunderstorms. Tuesday is on track for a quiet weather day with highs mainly in the 60s. Winds will be considerably lighter but clouds increase in the afternoon and evening. Showers and thunderstorms will move off the mountains West of Billings Tuesday night with a good chance of rain spreading into the Eastern plains by early Wednesday. Overnight temperatures will be in the 40s to lower 50s with highs Wednesday mainly in the 50s with a few low 60s.