First Warning Forecast: Excessive Heat Warning in effect Monday

Posted at 7:37 PM, Jul 19, 2020
and last updated 2020-07-19 23:53:33-04

Meteorologist April Loveland's First Warning Forecast

Partly cloudy skies overnight with a slight chance for an isolated shower. Otherwise, warm and muggy with lows in the upper 70s to near 80.

ACTION DAY MONDAY: We are tracking dangerous temperatures and heat index values. High temperatures will climb to 100 degrees! An EXCESSIVE HEAT WARNING is in effect until Monday night for a big chunk of the area. An Excessive Heat Warning means heat index values of 110-113 are possible. A HEAT ADVISORY is in effect for the rest of the area. A Heat Advisory means heat index values up to 109 degrees are possible.

After record breaking high temperatures Sunday, this will likely be another day where we will be close to the record high which is 102° set back in 1942. Make sure if you work outside, you take the proper precautions! An isolated storm during the afternoon and evening is possible. Overnight lows will once again be very warm and muggy. Expect lows in the upper 70s to near 80.

The dangerous heat will continue through Thursday along with the chance for some afternoon isolated or scattered storms. Temperatures will warm to the mid 90s, with heat index values of 105-110°.

A little bit of relief to end the week as a cold front moves through. Temperatures will top out in the upper 80s to near 90, which is seasonal for this time of year. Showers and storms will be possible with the front.

Temperatures will once again warm into the low 90s for the weekend, but dewpoints won't be quite as high as they have been, so that will provide a little relief.

Tropical Update:

A tropical wave located over Hispaniola, the southeastern Bahamas,and the adjacent waters of the southwestern Atlantic is moving west-northwestward at about 15 mph. This system is expected to move over the southeastern Gulf of Mexico by Tuesday, and then move across the central Gulf on Wednesday and reach the northwestern Gulf on Thursday. This disturbance is currently producing disorganized shower activity, but environmental conditions are expected to become a little more conducive for development once the system reaches the Gulf of Mexico.

* Formation chance through 2 days: LOW (0%)

* Formation chance through 5 days: LOW (20%)

Meteorologist April Loveland

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