The penalties for a DWI in Texas have changed as of September, 2019. For a class B and A license, the time in jail remains the same. For a class B license, the possible time in jail is anywhere from 3 to 180 days. For a class A license, the time in jail is 365 days. The fines however have risen.
For a first time DWI offender, the fine is now up to $3,000, to be paid within 36 months. For a second subsequent DWI offense, the fine goes up to $4,500, also to be paid within 36 months. Finally, if at the time of analysis, your blood alcohol level is .15 or higher, the fine has gone up to $6,000.