ALERT DAY: Strong Storms, Flooding Possible Tonight

Our ALERT DAY continues into tonight. WE continue to watch a stalled frontal boundary siting across the area. Weak pieces of energy tracking along the front have ignited several rounds of t-storms over the past few days. WE are expecting another tonight. Some of these storms could be severe, especially across southeastern Minnesota. As a result, a SEVERE T-STORM WATCH has been issued for those areas through 8 PM. The severe threat will then transition to a heavy rain scenario. Many aras could see an additional 2″-4″ of rain on top of what has fallen over the past few days. With soils already saturated, it won’t take much additional rain to produce flash flooding. As a result, a FLASH FLOOD WATCH has been issued for most of the area through Tuesday morning. It will be mild and muggy tonight with lows in the upper 60s to low 70s.

We’ll start Tuesday with t-storms. They should end during the morning, with partly sunny skies taking over for the afternoon. That front may get nudged just far enough south to keep much of tomorrow afternoon and tomorrow night dry here in La Crosse and points north. However, the threat for t-storms may continue across the south. Highs Tuesday will again be in the mid 80s.

Looking Ahead… The focus for our forecast through the rest of the week is watching where that stalled front ends up. Some forecast models are pushing it a bit farther south thanks to high pressure building in from the north, which would be good news for us… because it would mean some drier weather would be in store. Other models keep it closer to our area, meaning the wetter and active pattern would continue. For now, I’m going to split the difference with at least slight chances (20-30%) for showers and t-storms each day Wednesday through Saturday, including the 4th of July. We will try to fine tune these rain chances as the week progresses and we hopefully get some “more agreeable” model data. Stay tuned!

It will remain fairly warm and humid through the week with highs in the mid-upper 80s and lows in the upper 60s to around 70F.

It looks like it will finally turn drier and less humid by weekend with highs closer to 80F. Monday looks dry as well with highs in the low 80s. Slight chance of showers and t-storms next Tuesday with highs in the low-mid 80s.

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