Memphis Light, Gas and Water (MLGW) is closely monitoring a dangerous and unstable weather system that is expected to affect its service area starting at 4 p.m. today (Wednesday, April 2).

The most fatalities were in Missouri. Forecasters warned that tornadoes, hail and violent winds continue to threaten states in the Deep South, from Louisiana to Georgia.

Memphis Light, Gas and Water (MLGW) has issued an alert as residents across the Mid-South prepare for several days of severe weather.

A storm system crossing the U.S. threatens to unleash tornadoes Friday in the Mississippi Valley, blizzards in the northern Plains and dry conditions in Texas and Oklahoma that pose a wildfire risk.

Temperatures are expected to drop significantly Wednesday night, and wind chills will likely fall below 0°F across much of the Mid-South. MLGW has asked customers to conserve energy between 6:00 a.m. and 10:00 a.m. on Thursday, February 20, and Friday, February 21.

In some parts of the Plains region, the National Weather Service expects temperatures to reach as low as the negative 20s and 30s.

A high-pressure system is pushing Arctic air into the central U.S. this week. Much of the country will experience plunging temperatures, while states such as Kansas and Missouri could see heavy snow.

MLGW and TVA implemented voluntary energy conservation measures as energy demands surged amid freezing temperatures.

A major winter storm is expected to be the biggest in years as cold air moves in from the Arctic bringing snow and frigid temperatures across 20 Southern States.

Southern states don't often deal with winter conditions, but New England does. New Hampshire especially has tips for how to prepare for a winter storm.