First Alert Weather: Suntabulous weather returns Monday with big changes as fall arrives this week

WAUSAU, Wis. (WSAW) - Clouds will begin to clear Sunday night into Monday, as high-pressure slides over Wisconsin to clear skies out for the beginning of the last week of summer. Overnight lows fall into the low 50s. Expect patchy fog to develop Monday morning. Quiet and sunny weather returns to start the work week off with highs warming near the mid to upper 70s.

Sunshine returns with highs warming into the mid to upper 70s.(WSAW)

A few frontal systems make way through the region this work week. Chance for an isolated to scattered shower or brief thunderstorm to occur heading into Tuesday morning as a warm front arrives from the southwest late Monday. Though, the coverage area is not expected to be wide. Decreasing chances for rain throughout the day. Expect warm and humid air to filter back into the area; daytime highs warm into the low 80s. Unlikely chances of severe storms developing with the front.

A powerful cold front will cause a sharp drop in temperatures beginning Wednesday. Daytime highs will struggle to warm towards the upper 60s. Slight chance for a shower to develop as the cold front moves through the region throughout the day, but chances remain low at this time.

The start of the fall season will feature fall like temperatures. A big drop in highs at the... — The start of the fall season will feature fall like temperatures. A big drop in highs at the end of the week.(WSAW)

The First Day of Fall is Thursday, and Mother Nature looks to get into the fall spirit. North-Central Wisconsin could see morning temperatures as low as the mid to upper 30s. Most locations will drop down into the 30s by daybreak Friday, with several areas possibly seeing their first frost of the season. Daytime highs will warm, but remain below average in the upper 50s.

Tracking possible Frost to develop at the end of the week as morning lows may drop into the... — Tracking possible Frost to develop at the end of the week as morning lows may drop into the upper 30s Thursday.(WSAW)

The Fall Equinox arrives Thursday, September 22, 2022, at 8:03 PM Central Time. Following the Fall Equinox, the days will become shorter as we start to see less daylight. The sun will continue to rise and later, while after dark hours continue to arrive earlier. This ends following the Winter Solstice on December 21, 2022, where days then become longer.