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Warm and humid with more thunderstorm chances today and Wednesday

Our warm and humid spell continues today with a very similar looking weather picture to the one we experienced Monday minus the gusty afternoon winds that were helpful in stirring up the atmosphere to provide some measure of comfort for us. Instead, it will be a light southwest breeze today with plenty of warm sunshine and heavy humidity in the air through our Tuesday. A disturbance from the west will trigger a few isolated midday thunderstorms with more widespread thunderstorms expected in the mid to late afternoon and early evening. While the severe weather risk appears low today, a few storms may produce strong wind gusts and locally heavy rainfall. Including last evening’s 1.45 inches in Rochester, the total for the month at the midpoint in July is 4.45 inches, essentially double the normal amount for the first half of the month.

A similar situation will unfold for Wednesday with more energy triggering thunderstorms through much of the day, a few of which may become strong to severe with locally heavy rainfall. There will be a slightly higher level threat of severe weather Wednesday with large hail and damaging winds possible through the day. High temperatures tomorrow will again be in the mid 80s.

Warmer, more humid air will build in late in the week with fewer rain chances for Thursday into Saturday and much of the area is now in an Excessive Heat Watch as heat indices will be in the 100+ range for the end of the week. High temperatures will be around 90 degrees each of those days.

A cold front will move in for Sunday, bringing a chance for thunderstorms through the day as cooler air tries to work its way in on gusty winds. High temperatures Sunday will be in the lower 80s and we’ll stick with readings in that more seasonable range heading into next week.

Ted Schmidt

Ted Schmidt is the morning and noon meteorologist at KTTC.

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