Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley
A storm system will bring a number impacts to the central and eastern US. Heavy rain and thunderstorms are expected in the Gulf Coast and Deep South. Further north, a wintry mix may produce a glaze of ice from the Ozarks/Mid-South east through the Ohio Valley. Accumulating snow is expected from the central Plains east into the Upper Ohio Valley/Lower Great Lakes.
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Cloudy and cool conditions are in store across south central Texas today. Some light rain is in the forecast for the Hill Country and areas along and east of the Interstate 35 corridor.
Overall, expect cool conditions to continue for the work week along with rain chances Monday and again Wednesday into Friday. The forecast trends drier and warmer as we head into the upcoming weekend.
Chances lean slightly towards above normal precipitation for the Coastal Plains this December, with equal chances of above, near, and below normal precipitation elsewhere in South-Central Texas. Chances lean towards warmer than normal conditions across the region.
Beneficial rainfall may improve drought conditions east of I-35. Better chances for above-normal rainfall for the Coastal Plains could lead to improving drought conditions for the region this December. Extreme drought conditions continue in the San Antonio area. Drought conditions in the San Antonio area expanded slightly in November and are forecast to persist in December.
Typically, most of South-Central Texas records their first freeze by the end of December. As the weather dries, grass fires may become more common, especially during droughts. Cold fronts bring rounds of cool to freezing temperatures. Typical temperatures feature highs cooling from the upper 60s to lower 60s with lows in the 40s. Cloudy days may keep highs below 50 on a few days, and some freezes regionwide with a few hard freezes can occur. Average precipitation is around a half inch along the Rio Grande to 2.5 inches in the Coastal Plains. Icy or snowy weather events are rare in December. For 2025, chances lean towards a warmer than normal December. Chances lean towards a wetter than normal December for the Coastal Plains.