A cold front is moving through Florida today, April 11, as drought conditions prompt the National Weather Service to issue red flag warnings for several counties.

Northeast Florida could see locally heavy downpours today as the front moves through, according to the National Weather Service Jacksonville.

The front is expected to weaken as it moves south.

The National Weather Service issued red flag warnings for seven counties early Friday along the central and east coast of the state.

Friday morning, there were 39 wildfires burning, up from 33 Thursday, according to the Florida Forest Service.

The average statewide drought index increased Thursday to 348, up seven points from Wednesday's 341.

Red flag warning in effect for 7 Florida counties

What is a red flag warning?

A red flag warning is issued when "critical fire weather conditions" are in place.

"A red flag warning means warm temperatures, very low humidity, and stronger winds are expected to combine to produce an increased risk of fire danger," the National Weather Service said.

What should you do — or not do — under a red flag warning?

See the map: Active wildfires reported across Florida

Where are the largest fires currently burning in Florida?

How do Florida brush fires get their names?

"Wildfire names are generally based on the geographic location of the fire or a nearby geographic feature," according to Tim Brown, communications manager with the Florida Forest Service in an email.

"For example, the “344 Fire” was due to its location near 344 Street."

Will it rain today in Florida?

Interactive map: Enter your address to find closest wildfire risks

Current drought conditions in Florida

The Keetch-Byram Drought Index average for Florida was 348 Thursday. The drought index uses a scale from 0, which is very wet, to 800, which is very dry.

Dry conditions on the weekend, combined with falling relative humidity is expected to bring " sensitive to locally elevated wildfire conditions " throughout the state Saturday, according to the Florida Department of Emergency Management.

As of Thursday, April 10, there were 17 Florida counties with a mean Keetch-Byram Drought Index over 500, which means drought or increased fire danger. One county, Lee, has hit 600.

Another 13 of Florida's 67 counties have index numbers in the 400s.

What do the drought numbers mean?

Here's an explanation of what the Keetch-Byram Drought Index numbers mean, according to the Wildland Fire Assessment System.

Burn bans in place for 7 Florida counties

Another weak cold front coming to Florida, with rain possible

Early Friday, a weak cold front is expected to bring some showers to portions of the state. A few locally strong thunderstorms capable of small hail can't be ruled out, according to the Florida Department of Emergency Management.

By Saturday morning, the front will push offshore, bringing mostly dry conditions and elevated wildfire conditions to the state.

Temperatures to expect across Florida into this weekend

High temperatures will reach the middle to upper 70s across North Florida and lower to middle80s across Central and South Florida on Friday.

Slightly cooler conditions will keep high temperatures in the lower 70s across North Florida, middle to upper 70s across Central Florida and upper 70s and lower 80s across South Florida Saturday afternoon.

Low temperatures will fall into the upper 40s to lower 50s across North Florida and middle 50s to middle 60s across Central and South Florida Friday night.

By Saturday night low temperatures will fall into the 40s again across North Florida, 50s throughout interior Central and South Florida and middle 50s to lower 60s across coastal Central and South Florida.

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