Only a slight chance for rain is expected in Billings Monday and Tuesday, but the chance for thunderstorms will increase as the week wears on.
The National Weather Service predicts a 20 percent chance of showers Sunday afternoon as highs hit 68. A light 6 to 8 mph breeze will blow out of the north.
Lows Sunday night will drop to 50, as skies become partly cloudy. West winds of 8 mph will shift to the south.
Skies will be sunny Monday as highs reach 82. No rain is expected, but southwest winds 14 to 17 mph are likely.
By nightfall, a 20 percent chance of showers and thunderstorms is back in the forecast. Lows will fall to 54 and west winds 9 to 16 mph are expected.