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Weather Forecast

The ERCOT Weather Forecast is developed by ERCOT Meteorologists Chris Coleman, Brandon Gale, and Christi Eastham. The interactive map displays today’s temperature information for major cities located within the ERCOT grid. Hover over a city to see the most recent temperature forecast. 


Note: A Weather Zone is a geographic region designated by ERCOT in which climatological characteristics are similar for all areas within such region. This map displays the various Weather Zones that exist within the ERCOT footprint, but it does not necessarily include all counties that have participation within the ERCOT market.



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Weather Forecast Details


General Discussion:
A cold arctic airmass remains in place across the state and chances for a wintry mix of precipitation will begin to increase into the evening and overnight hours across portions of Central, South, and East Texas. As a result, Winter Storm Warnings and Advisories remain in place and will go into effect this evening due to the potential for accumulating snow, sleet, and ice. Precipitation will taper off through the morning hours tomorrow, though impacts may linger through Wednesday morning across extreme Southeast Texas (including near and south/east of the Houston metro) where some of the heaviest snow is expected as temperatures remain near or only slightly above freezing through the day Tuesday. In addition to the wintry precipitation, Extreme Cold Warnings and Cold Weather Advisories have been issued statewide due to dangerously cold temperatures and wind chills for those outdoors without proper protection. We will see warming temperatures during the second half of the week with temperatures becoming near to slightly above normal for the upcoming weekend. Beyond Tuesday, expect dry conditions until chances for rain return to East Texas late Saturday into Sunday.

Rest of Today:
Mostly sunny across Far West Texas; otherwise, mostly cloudy with increasing chances for a wintry mix of rain, sleet, snow, and freezing rain across portions of Central, South, and East Texas. Isolated flurries are also possible across portions of North Texas. Highs this afternoon will range from the 20s in the Panhandle to near 50 in the Rio Grande Valley.

Tuesday:
A wintry mix of rain, sleet, snow, and freezing rain will continue across portions of Central, South, and East Texas in the morning with clearing expected throughout the day. Lows will range from the single digits in the Panhandle to the 30s in the Rio Grande Valley. Highs will mainly be in the 30s.

Forecaster: BG

7-Day Temperature Forecast by City
Low and high temperatures forecast for the next seven days for major cities within the ERCOT system.
Jan 20, 2025 - pdf - 172.5 KB
Forecast Variability Report
ERCOT’s assessment of the potential for load, wind, and solar conditions to vary between forecasts and actuals.
Jan 20, 2025 - pdf - 122 KB
Weather Seasonal Updates
A seasonal forecast for the ERCOT region.
Nov 15, 2024 - pdf - 132.9 KB