Texas Rainfall Amounts 24 to 72 Hours

Severe Weather Map | Dallas Forecast

Texas Mesonet data for 24 to 72 hour precipitation:


Texas rainfall maps for 24 to 72 hours are a valuable tool for anyone who wants to stay informed about upcoming weather conditions and make informed decisions about their activities.

Areas in Texas with the Most Rain:

  • Southeast Texas: This region, encompassing the Houston, Beaumont, and Port Arthur areas, receives the highest average annual rainfall in the state, ranging from 45 to 55 inches. The consistent moisture from the Gulf of Mexico contributes to this abundance.
  • East Texas: Extending from the Piney Woods near the Louisiana border northward, East Texas experiences average annual rainfall between 35 and 45 inches. This area benefits from both Gulf moisture and frontal systems moving eastward.
  • The Hill Country: Although not reaching the same levels as East Texas, the Hill Country around Austin and San Antonio receives 30-35 inches of annual rainfall on average. This is due to the orographic lifting effect caused by the hills, which forces rising air to cool and condense, creating rain.

Keetch-Byram Drought Index

Areas in Texas Prone to Drought:

  • West Texas: Encompassing the Trans-Pecos region and the Permian Basin, West Texas receives the least annual rainfall in the state, averaging 10-15 inches. This area lies in the rain shadow of the mountains and experiences hot, dry conditions.
  • South Texas: Stretching from the Rio Grande Valley northward to Laredo and San Antonio, South Texas receives over fifteen inches of annual rainfall on average. The subtropical climate and limited moisture from the Gulf contribute to drought vulnerability.
  • Central Texas: Despite receiving more rain than West and South Texas, the Hill Country and surrounding areas can be susceptible to drought due to factors like high evaporation rates and increasing population demands on water resources.

Important Note: Drought conditions are dynamic and can fluctuate depending on seasonal variations and long-term climate patterns. While the mentioned areas have historical tendencies towards high rainfall or drought, specific events and circumstances can always create exceptions.

To stay updated on current drought conditions in Texas, you can refer to resources like the United States Drought Monitor and the Texas Water Development Board.

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