* WHAT...Heavy mixed precipitation possible. Total snow accumulations of 3-5 inches along and south of the I-10 corridor. Total snow accumulations of 1-3 inches for areas north of the I-10 corridor and southwest of Metro Houston. Ice accumulations of up to one tenth of an inch possible, mainly along and south of the I-10 corridor.

* WHERE...Portions of south central and southeast Texas.

* WHEN...From 6 PM this evening to 6 PM CST Tuesday.

* IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning, Tuesday evening, and Wednesday morning commutes.

* ADDITIONAL DETAILS...Heavy bands of snow and sleet possible late Monday night through early Tuesday afternoon. Exact locations of these bands are uncertain. Possible heavier bands of snow could result in localized accumulations greater than 5 inches.

* WHAT...For the Cold Weather Advisory, very cold wind chills as low as 15 expected. For the Extreme Cold Watch, dangerously cold wind chills as low as 10 possible.

* WHERE...Portions of south central and southeast Texas.

* WHEN...For the Cold Weather Advisory, from 9 PM this evening to 6 PM CST Tuesday. For the Extreme Cold Watch, from Tuesday evening through Wednesday morning.

* IMPACTS...Wind chill values can lead to hypothermia with prolonged exposure.

* WHAT...For the Cold Weather Advisory, very cold wind chills as low as 15 expected. For the Extreme Cold Watch, dangerously cold wind chills as low as 10 possible.

* WHERE...Portions of south central and southeast Texas.

* WHEN...For the Cold Weather Advisory, from 9 PM this evening to 6 PM CST Tuesday. For the Extreme Cold Watch, from Tuesday evening through Wednesday morning.

* IMPACTS...Wind chill values can lead to hypothermia with prolonged exposure.