* WHAT. Heat index values up to 112 expected. * WHERE. Portions of the I-35 corridor, Rio Grande Plains, and the Coastal Prairies. * WHEN. From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 109 expected. * WHERE. Bell, Coryell, Falls, Lampasas, McLennan, Mills, Milam, and Robertson Counties. * WHEN. From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity will increase the risk for heat-related illnesses to occur, particularly for those working or participating in outdoor activities.

* WHAT. Heat index values up to 110 expected. * WHERE. Inland Jackson, Austin, Brazos, Burleson, Colorado, Grimes, Waller, Washington, and Wharton Counties. * WHEN. From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

The Flood Warning is extended for the following rivers in Texas. Navasota River Near Easterly affecting Leon and Robertson Counties. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. Navasota River near Easterly. * WHEN. Until late Wednesday evening. * IMPACTS. At 23.0 feet, moderate lowland flooding below Easterly is expected. * ADDITIONAL DETAILS. - At 2:00 PM CDT Monday the stage was 21.6 feet. - Bankfull stage is 17.0 feet. - Flood stage is 19.0 feet. - Forecast. The river is expected to fall below flood stage late Wednesday morning and continue falling to 12.1 feet early Saturday afternoon.

The Flood Warning continues for the following rivers in Texas. Navasota River near Normangee affecting Grimes, Brazos and Madison Counties. For the Navasota River. including Normangee. Minor flooding is forecast. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. Navasota River near Normangee. * WHEN. Until late Thursday evening. * IMPACTS. At 17.0 feet, Minor lowland flooding continues with widespread inundation of the flood plain in the vicinity of the gage with the river more than 1 mile wide. Long Trussel Road in northeast Brazos County below State Highway 21 is threatened. * ADDITIONAL DETAILS. - At 9:00 PM CDT Monday the stage was 16.9 feet. - Bankfull stage is 12.0 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 9:00 PM CDT Monday was 19.3 feet. - Forecast. The river is expected to fall below flood stage late Thursday morning and continue falling to 13.7 feet Saturday evening. - Flood stage is 15.0 feet. - Flood History. This crest compares to a previous crest of 16.7 feet on 05/22/2019. - http://www.weather.gov/safety/flood

The Flood Warning continues for the following rivers in Texas. Navasota River Near Easterly affecting Robertson and Leon Counties. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. Navasota River near Easterly. * WHEN. Until late Wednesday evening. * IMPACTS. At 23.0 feet, Moderate lowland flooding below Easterly is expected. * ADDITIONAL DETAILS. - At 7:00 PM CDT Monday the stage was 21.4 feet. - Bankfull stage is 17.0 feet. - Flood stage is 19.0 feet. - Forecast. The river is expected to fall below flood stage late Wednesday morning and continue falling to 17.2 feet Saturday evening.