A freeze warning has been issued for most of Southeast Texas as a blast of stinging cold is expected to arrive Sunday night, with temperatures remaining in the 20s, 30s and 40s through much of the week.

Areas north of Houston and Harris County are under a tornado watch through 6 p.m. Sunday as a powerful cold front slices through Southeast Texas.

ERCOT issued a weather watch for Monday through Friday due to forecasted cold weather across the region combined with high levels of demand and the potential for lower reserves. An arctic front is plunging through North Texas,

In his newsletter, Lewin said ERCOT has made some progress with the power grid since Winter Storm Uri in 2021. Lewin also said the chances of power outages from this storm are low

The Texas power grid operator is keeping a close eye on the grid as we deal with below-freezing temperatures.The Electric Reliability Council of Texas, or ERCOT, issued a Weather Watch Monday through Friday because of the arctic air.