StormTeam 8 Detailed Forecast
Updated On: Jul 22 2014 08:39:17 AM CDT
StormTeam 8 Forecast: High 90º / Low 63°... Another hot & humid day. Small chance for a t-storm, best chances south & east. Cooler and not as muggy tonight.
Updated Tuesday, July 22, 2014 at 7:37 AM...
Most of the storms stayed well north of our area overnight, and it's probably a good thing as they were packing 50-70 mph winds at times. Just a few very light shower or sprinkles made it this far south into our area overnight, with just a trace of rain being recorded at the La Crosse airport.
It's a very mild & muggy morning across the region and will be another hot & humid day before a cool front arrives. Temps this morning are in the upper 70s with dew points in the upper 60s to mid 70s. Expect highs today in the upper 80s to near 90º and the high humidity will cause heat indices in the mid-upper 90s... much like Monday. Heat indices could rise to around 100º in Crawford & Richland counties, prompting a HEAT ADVISORY to be issued from Noon to 7pm.
The cool front will gradually slide southeast across the region today, ushering in slightly cooler air and lower humidity by late today into this evening. As the front passes, there's a small chance (only about 20%) for a few t-storms. I think the best chances will be south & east of La Crosse as this is where the front will be located during the prime heating of the afternoon & early evening. There could even be some strong to severe storms in parts of SE Wisconsin, Northern Illinois and Eastern Iowa.
Cooler and less humid air will flow into the region tonight behind the front. As a result, expect overnight lows in the 60-65º range, perhaps even some upper 50s north.
This cooler and drier air will then remain in place Wednesday and Thursday... making for a couple of really pleasant days. Expect highs closer to 80º both days and high pressure over the region will keep the area dry with sunny to partly cloudy skies.
Looking Ahead... A disturbance will approach from the west and bring a chance of showers and t-storms late Thursday night (after midnight) and into Friday. Some forecast models bring the system through slow enough that some rain chances could linger into Saturday morning as well. Dry conditions should take over by Saturday afternoon. Another disturbance will bring a chance of showers and t-storms on Sunday. The start to next week then looks dry with high pressure over the region.
After today, temps are looking rather comfortable over the next week or so with slightly cooler than average highs in the 80-83º range. Overnight lows will mainly be in the low 60s, but some 50s will be possible north and in favored cooler areas.
Stay cool today and have a great Tuesday! -Bill Graul
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