The overall trend through the long Memorial Day weekend is warmer. But a few disturbances will keep our eye on the afternoon sky.

A week disturbance through Canada will continue to spin down enough instability to create scattered isolated showers and thunderstorms in the afternoons through at least Sunday. The potential for strong to severe storms is low.

For Friday afternoon, there is a slightly better chance of precipitation on a line from Roundup; to Billings; to Sheridan, Wyoming extending to the West. It could be a bit breezy at times East of that line.

Highs Friday will be mainly into the 60s, warming to the upper 60s and 70s on Saturday. By Sunday and Monday, highs will hit mainly the mid to lower 70s.

Click for 7 Day ForecastOvernight temperatures will be in the 40s to low 50s.

Heading into next week, the trend will be toward readings edging up into the 70s to low 80s by Wednesday.

Billings forecast:

Friday… Partly sunny with a high near 66. A 20% chance of an afternoon shower thunderstorm.

Friday night… Partly cloudy, with a low near 45. A light breeze.

Saturday… Partly sunny with a high near 73. A 20% chance of showers or thunderstorms in the afternoon and evening.