Severe thunderstorms possible Friday afternoon, evening; main threats are strong winds to 70 mph, heavy rain

Isolated tornadoes can't be ruled out

MADISON, Wis. — An Alert Day is in effect Friday. Severe thunderstorms are possible this afternoon and evening across southern Wisconsin.

Scattered showers and thunderstorms are moving through the area Friday morning. While brief heavy rain and lightning are possible, no severe weather is expected this morning.

Severe Weather Outlook

The severe weather threat Friday afternoon depends on the amount of clearing that takes place in the morning. If skies clear out between rounds of thunderstorms, the atmosphere will become quite unstable.

Showers and thunderstorms will form ahead of a cold front Friday afternoon. They will likely organize into a line of storms that moves from northwest to southeast across southern Wisconsin. The main threats with this line of storms will be strong winds to 70 mph and heavy rain. However, isolated tornadoes cannot be ruled out.

FutureTrack 530pm

There is still some uncertainty with the timing of this event, but it will most likely develop early Friday afternoon.  The storms should exit the area by midnight.

FutureTrack 1030pm

Rain amounts will vary across the region, but the strongest storms will be capable of producing over an inch of rain in a short time.

Rain Potential

Much quieter weather is expected for the weekend.  It will be very warm with high temperatures in the middle 80s. Heat index may reach the lower 90s at times. Most of the weekend will be dry. Showers and thunderstorms will return late Sunday or Sunday night.

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