Regional Weather View.
A warm front will be causing problems in the Upper Midwest Sunday and Monday as a severe weather outbreak is expected across SD and Minnesota on Sunday Afternoon, with the severe weather threat push north and east for Monday. Tornadoes, large hail and damaging winds are likely. Flooding with heavy rain is also a possibility. A very hot airmass with push in behind this front will bring high temperatures ranging from the mid 90s and possibly lower 100s will be possibly across Iowa, Southern Minnesota, Southern Wisconsin and Illinois both Monday and Tuesday before a sharp cold front pushes in on Wednesday sparking more Thunderstorms with the potential for heavy rain and severe weather.
Local and Metro views.
Tonights and Mondays Severe Weather Risk!
Getting right to the point there will be a risk for severe thunderstorms tonight as a warm front pushes north. Storms will develop to the west of our area and push east over the evening hours and overnight. The main threats for our local area will be large hail and damaging winds along with heavy rainfall and flooding. Especially in Goodhue County. The best chance for storms pushing in will be after 8pm this evening. Monday there will be another risk of severe thunderstorms during the evening hours, although this chance will not nearly be as high as Sundays. The main threats will be hail and high winds and heavy rain and flooding after dark Monday, Especially in the northern parts of the area. Rainfall amounts could reach over 2″ in localized areas.
Short Lived Heat Wave-Very Hot 95.F to 100.F Mon/Tues
After the passing of this warm front we will be under the influence of a short lived but potent heat wave which will bring very hot temperatures and very high heat index values to our area. Under sweltering sunshine and very high dewpoints in the 70s, High temperatures will reach the middle 90s and it is not out of the question that some places could hit 100.F or get close to it, especially on Tuesday when the heat wave peaks. Even without the actual temp in the 100s range. Heat index values will be well into the lower 100s during the day and not fall out of the low 80s at night. This type of weather is dangerous for people working or being outdoors. Drink plenty of water if your going to be out and around Monday and Tuesday.
Wednesdays Heavy Rainfall and Severe weather risk.
Wednesday a sharp cold front will push into this airmass Thunderstorms will develop along the front in the afternoon and some could be severe with hail and strong winds, but the highest risk with Wednesdays storms will be torrential rainfall possible over 2″ in localized areas.
Sunday, Warm and sunny. Highs in the middle 80s with thunderstorms developing. Sunday Night, Thunderstorms, some could be severe with damaging winds and large hail and heavy torrential rainfall.
Monday, Very Hot! and Very Humid. Sunny with highs in the middle to upper 90s. Heat Index Values over 100.F Monday Night, Warm, Heat Index Values in the low 80s. A chance of thunderstorms. Some could be severe with damaging winds, large hail and torrential rainfall.
Tuesday, Very Hot and Very Humid! Windy and Sunny with highs in the middle to upper 90s with lower 100s possible Heat Index Value in the lower 100s. Winds could gust over 40MPH Tuesday Night Warm, Heat index values in the low 80s.
Wednesday, Cooler and very humid with thunderstorms developing. Some storms could have hail and strong winds along with torrential rainfall. Wednesday Night, Thunderstorms ending then cloudy with lows in the middle 60s.
Looking Ahead
Things finally clear out and settle down on Thursday and Friday when we can expect sunny skies and cooler temperatures near 80 with less humid conditions, but this dry spell will be short lived. Thunderstorm chances along with heat and humidity come back into the picture by the weekend. Sunday Thunderstorms could become likely again, and some could produce heavy rain and severe weather. Off and on thunderstorm chances continue each day from Sunday through Wednesday of next week, as a stormy humid airmass remains in place. Thursday the 28th a sharp cold front pushes through bringing a chance of heavy rain producing thunderstorms and severe weather. Friday, Saturday and Sunday the 29th, 30th and 1st looks quieter, dry and cooler. With more heavy thunderstorms developing by Monday July 2nd.