FNUS54 KHGX 180522 FWFHGX Fire Weather Planning Forecast for Southeast Texas National Weather Service Houston/Galveston TX 1222 AM CDT Mon May 18 2026 .DISCUSSION... Gusty southeast winds in the 15 to 25 mph range are expected for most of the region through this afternoon, especially from I-45 westward. Minimum afternoon RH values are expected to be in the 50 to 70 percent range throughout most of the week. Isolated to widely scattered showers and storms possible throughout the day, followed by higher chances of showers and storms Tuesday and beyond. TXZ163-164-182115- Houston-Trinity- Including the cities of Crockett, Groveton, and Trinity 1222 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Pcldy Pcldy Precip Type Tstms Tstms Tstms Chance Precip (%) 20 20 50 Chance of Thunder (%) 20 20 50 Temp (24h trend) 88 (0) 75 (-2) 90 RH % (24h trend) 59 (-2) 90 (+4) 56 Wind 20ft/early(mph) S 9 G22 SE 7 G19 S 6 Wind 20ft/late(mph) S 11 G22 S 5 S 7 Max/Min Mix Hgt(m) 1450 1860 Max/Min Mix Hgt(ft) 4760 6090 Transport Wnd (kts) S 21 S 14 Transport Wnd (m/s) S 11 S 7 Vent Rate (m/s-m) 15950 13020 Category Day 4 4 Sunshine Hours 5 4 Remarks... Fog Potential (First 24 Hours)...Low $$ TXZ176-195>198-182115- Brazos-Burleson-Grimes-Madison-Washington- Including the cities of Brenham, Bryan, Caldwell, College Station, Madisonville, Navasota, and Somerville 1222 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Pcldy Mcldy Precip Type None Tstms Tstms Chance Precip (%) 0 20 60 Chance of Thunder (%) 0 20 50 Temp (24h trend) 89 (0) 76 (-1) 89 RH % (24h trend) 59 (-1) 89 (+3) 58 Wind 20ft/early(mph) S 14 G23 SE 11 G20 S 10 G18 Wind 20ft/late(mph) S 16 G23 S 9 G17 SE 11 G18 Max/Min Mix Hgt(m) 1500 1930 Max/Min Mix Hgt(ft) 4920 6330 Transport Wnd (kts) S 21 S 15 Transport Wnd (m/s) S 11 S 8 Vent Rate (m/s-m) 16500 15440 Category Day 5 4 Sunshine Hours 5 4 Remarks... Fog Potential (First 24 Hours)...Low $$ TXZ177>179-199-200-182115- Montgomery-Northern Liberty-Polk-San Jacinto-Walker- Including the cities of Cleveland, Coldspring, Conroe, Corrigan, Dayton, Huntsville, Liberty, Livingston, Shepherd, and The Woodlands 1222 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mcldy Pcldy Pcldy Precip Type Tstms None Tstms Chance Precip (%) 20 0 40 Chance of Thunder (%) 20 0 40 Temp (24h trend) 90 (+1) 76 (-1) 90 RH % (24h trend) 60 (-4) 89 (+4) 57 Wind 20ft/early(mph) S 10 G22 SE 8 G20 SE 7 Wind 20ft/late(mph) S 12 G23 SE 6 SE 8 G17 Max/Min Mix Hgt(m) 1400 1840 Max/Min Mix Hgt(ft) 4590 6030 Transport Wnd (kts) S 21 S 14 Transport Wnd (m/s) S 11 S 7 Vent Rate (m/s-m) 15400 12880 Category Day 4 4 Sunshine Hours 4 4 Remarks... Fog Potential (First 24 Hours)...Low $$ TXZ212-213-227-237-238-182115- Fort Bend-Inland Brazoria-Inland Galveston-Inland Harris-Waller- Including the cities of Alvin, Angleton, Brookshire, First Colony, Friendswood, Hempstead, Houston, League City, Mission Bend, Missouri City, Pearland, Pecan Grove, Prairie View, Rosenberg, Sugar Land, and Waller 1222 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mcldy Pcldy Mcldy Precip Type None None Tstms Chance Precip (%) 0 0 40 Chance of Thunder (%) 0 0 40 Temp (24h trend) 90 (+1) 78 (-1) 90 RH % (24h trend) 61 (-3) 87 (+1) 59 Wind 20ft/early(mph) SE 14 G24 SE 11 G20 SE 10 G18 Wind 20ft/late(mph) SE 16 G24 SE 9 G18 SE 12 Max/Min Mix Hgt(m) 1360 1900 Max/Min Mix Hgt(ft) 4450 6220 Transport Wnd (kts) S 19 S 15 Transport Wnd (m/s) S 10 S 8 Vent Rate (m/s-m) 13600 15200 Category Day 4 4 Sunshine Hours 3 4 Remarks... Fog Potential (First 24 Hours)...Low $$ TXZ210-211-226-235-236-182115- Austin-Colorado-Inland Jackson-Inland Matagorda-Wharton- Including the cities of Bay City, Bellville, Columbus, Eagle Lake, Edna, El Campo, Ganado, Sealy, Weimar, and Wharton 1222 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mcldy Mcldy Pcldy Precip Type None None Tstms Chance Precip (%) 0 0 30 Chance of Thunder (%) 0 0 20 Temp (24h trend) 90 (+1) 77 (-1) 90 RH % (24h trend) 59 (-4) 87 (-1) 56 Wind 20ft/early(mph) SE 15 G25 SE 13 G23 SE 11 G20 Wind 20ft/late(mph) SE 17 G25 SE 10 G19 SE 13 Max/Min Mix Hgt(m) 1320 1970 Max/Min Mix Hgt(ft) 4320 6480 Transport Wnd (kts) S 21 S 16 Transport Wnd (m/s) S 11 S 8 Vent Rate (m/s-m) 14520 15760 Category Day 4 4 Sunshine Hours 3 4 Remarks... Fog Potential (First 24 Hours)...Low $$ TXZ214-300-313-338-182115- Chambers-Coastal Galveston-Coastal Harris-Southern Liberty- Including the cities of Anahuac, Baytown, Devers, Dickinson, La Marque, Mont Belvieu, Old River-Winfree, Pasadena, Stowell, Texas City, and Winnie 1222 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mcldy Mcldy Pcldy Precip Type Tstms None Tstms Chance Precip (%) 20 0 20 Chance of Thunder (%) 20 0 20 Temp (24h trend) 87 (+1) 77 (-2) 88 RH % (24h trend) 69 (-4) 91 (+3) 66 Wind 20ft/early(mph) SE 14 SE 12 G19 SE 11 Wind 20ft/late(mph) SE 15 SE 9 G17 SE 12 Max/Min Mix Hgt(m) 1060 1150 Max/Min Mix Hgt(ft) 3470 3760 Transport Wnd (kts) S 22 S 15 Transport Wnd (m/s) S 11 S 8 Vent Rate (m/s-m) 11660 9200 Category Day 4 4 Sunshine Hours 3 4 Remarks... Fog Potential (First 24 Hours)...Low $$ TXZ335>337-182115- Coastal Brazoria-Coastal Jackson-Coastal Matagorda- Including the cities of Clute, Freeport, Lake Jackson, and Palacios 1222 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Mcldy Mcldy Mcldy Precip Type None None Tstms Chance Precip (%) 0 0 20 Chance of Thunder (%) 0 0 20 Temp (24h trend) 88 (+2) 79 (-1) 88 RH % (24h trend) 69 (-8) 87 (-4) 67 Wind 20ft/early(mph) SE 16 G24 SE 14 G22 SE 12 Wind 20ft/late(mph) SE 17 SE 12 G19 SE 13 Max/Min Mix Hgt(m) 910 1370 Max/Min Mix Hgt(ft) 3000 4510 Transport Wnd (kts) SE 21 SE 15 Transport Wnd (m/s) SE 11 SE 8 Vent Rate (m/s-m) 10010 10960 Category Day 4 4 Sunshine Hours 3 3 Remarks... Fog Potential (First 24 Hours)...Low $$ TXZ436>439-182115- Bolivar Peninsula-Brazoria Islands-Galveston Island- Matagorda Islands- Including the cities of Galveston and Surfside Beach 1222 AM CDT Mon May 18 2026 Today Tonight Tue Cloud Cover Pcldy Pcldy Mcldy Precip Type Tstms None Tstms Chance Precip (%) 10 0 20 Chance of Thunder (%) 10 0 20 Temp (24h trend) 86 (+2) 80 (0) 86 RH % (24h trend) 76 (-6) 90 (-3) 75 Wind 20ft/early(mph) SE 17 SE 16 SE 14 Wind 20ft/late(mph) SE 17 SE 15 SE 14 Max/Min Mix Hgt(m) 730 940 Max/Min Mix Hgt(ft) 2400 3080 Transport Wnd (kts) SE 21 SE 15 Transport Wnd (m/s) SE 11 SE 8 Vent Rate (m/s-m) 8030 7520 Category Day 4 3 Sunshine Hours 4 3 Remarks... Fog Potential (First 24 Hours)...Low $$ .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY...Showers and a chance of thunderstorms. Lows in the mid 70s. Highs in the mid 80s. East winds around 5 mph. .THURSDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 80s. East winds around 5 mph. .FRIDAY...Showers and a chance of thunderstorms. Lows in the lower 70s. Highs in the lower 80s. Southeast winds around 5 mph. .SATURDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Lows in the lower 70s. Highs in the lower 80s. East winds around 5 mph. .SUNDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 80s. Southeast winds around 5 mph. $$