FNUS54 KMAF 181842 FWFMAF Fire Weather Planning Forecast for West Texas/Southeast New Mexico National Weather Service Midland/Odessa TX 142 PM CDT Mon May 18 2026 ...RED FLAG WARNING UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING FOR PORTIONS OF NEW MEXICO AND SOUTHWEST AND WESTERN TEXAS... .DISCUSSION... Critical to extreme fire weather conditions are expected across southeast New Mexico and adjacent portions of West Texas this afternoon. ERCs remain between the 70th to 90th+ percentile with winds expected gust up to 40+ mph during the afternoon and into this evening. Min RHs will be critically low (single digits) as temperatures reach into the 90s. Tuesday sees similar conditions with above normal temperatures and critically low RHs, but winds will be much lighter. Rain chances will increase Wednesday through the end of the week with cooler temperatures that will somewhat alleviate fire weather concerns. && For point-specific forecasts please see the Point Fire Weather Matrix product issued by the Midland/Odessa National Weather Service Office. NMZ116-190915- Sacramento Foothills and Guadalupe Mountains- 1242 PM MDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING... Tonight Tue Tue Night Wed Cloud Cover Clear Mclear Mclear Mcldy Precip Type None None None Tstms Chance Precip (%) 0 0 0 60 Temp (24h trend) 52 (-7) 85 (+2) 50 79 RH % (24h trend) 44 (+19) 7 (-1) 87 20 Wind 20ft/early(mph) SW 16 NW 9 S 9 SE 6 Wind 20ft/late(mph) W 8 SE 10 SE 7 SE 12 Wind 10000 FT MSL 44 19 27 17 Mixing Hgt(ft-agl) 8710 7390 Transport Wnd (kts) W 19 S 19 Vent Rate (kt-ft) 165490 140410 Vent Category Excellent Very good RFTI 6 2 2 0 RFTI Category Critical Elevated Elevated Nil Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Minimum relative humidity above 15 percent. Southeast winds around 10 mph. .FRIDAY...Mostly clear. Lows in the mid 50s. Highs in the lower 80s. Minimum relative humidity at or below 15 percent. Southwest winds around 10 mph. .SATURDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Minimum relative humidity above 15 percent. North winds 5 to 10 mph. .SUNDAY...Partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the mid 50s. Highs around 80. Minimum relative humidity above 15 percent. Chance of precipitation 50 percent. North winds around 5 mph. .MONDAY...Partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the mid 50s. Highs in the lower 80s. Minimum relative humidity above 15 percent. Chance of precipitation 50 percent. South winds around 5 mph. $$ NMZ117-190915- Chaves Plains- 1242 PM MDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING... Tonight Tue Tue Night Wed Cloud Cover Clear Mclear Mclear Mcldy Precip Type None None None Tstms Chance Precip (%) 0 0 0 70 Temp (24h trend) 51 (-6) 90 (-1) 52 79 RH % (24h trend) 51 (+2) 10 (+2) 100 34 Wind 20ft/early(mph) SW 15 NE 12 SE 10 SE 9 Wind 20ft/late(mph) SW 6 E 9 SE 11 SE 13 Wind 10000 FT MSL 37 16 27 25 Mixing Hgt(ft-agl) 8330 5360 Transport Wnd (kts) NE 21 SE 17 Vent Rate (kt-ft) 174930 91120 Vent Category Excellent Good RFTI 6 1 1 0 RFTI Category Critical Elevated Elevated Nil Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the lower 50s. Highs in the lower 80s. Minimum relative humidity above 15 percent. Chance of precipitation 40 percent. Southeast winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 80s. Minimum relative humidity at or below 15 percent. South winds 5 to 10 mph. .SATURDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. North winds around 5 mph. .SUNDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Northeast winds around 5 mph. .MONDAY...Partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the mid 50s. Highs in the upper 80s. Minimum relative humidity above 15 percent. Chance of precipitation 40 percent. Southeast winds around 5 mph. $$ NMZ118-190915- Eddy Plains- 1242 PM MDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING... Tonight Tue Tue Night Wed Cloud Cover Clear Clear Mclear Mcldy Precip Type None None None Tstms Chance Precip (%) 0 0 0 60 Temp (24h trend) 57 (-5) 94 (+2) 56 83 RH % (24h trend) 38 (-14) 9 (0) 100 29 Wind 20ft/early(mph) SW 13 NW 8 SE 10 SE 10 Wind 20ft/late(mph) W 6 NE 7 SE 12 SE 12 Wind 10000 FT MSL 34 15 20 23 Mixing Hgt(ft-agl) 9540 6040 Transport Wnd (kts) NW 16 SE 16 Vent Rate (kt-ft) 152640 96640 Vent Category Excellent Good RFTI 6 0 1 0 RFTI Category Critical Nil Elevated Nil Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the upper 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Chance of precipitation 50 percent. Southeast winds around 10 mph. .FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 80s. Minimum relative humidity at or below 15 percent. Southwest winds around 10 mph. .SATURDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Southeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the upper 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Chance of precipitation 30 percent. East winds around 5 mph. .MONDAY...Mostly clear. A chance of showers and a slight chance of thunderstorms. Lows in the upper 50s. Highs in the upper 80s. Minimum relative humidity above 15 percent. Chance of precipitation 40 percent. Southeast winds around 5 mph. $$ NMZ119-190915- Lea- 1242 PM MDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING... Tonight Tue Tue Night Wed Cloud Cover Clear Clear Pcldy Mcldy Precip Type None None None Tstms Chance Precip (%) 0 0 0 80 Temp (24h trend) 54 (-5) 91 (-1) 51 78 RH % (24h trend) 56 (-36) 13 (+6) 100 45 Wind 20ft/early(mph) SW 13 N 9 SE 13 E 12 Wind 20ft/late(mph) SW 5 E 8 E 13 SE 13 Wind 10000 FT MSL 37 21 12 25 Mixing Hgt(ft-agl) 7890 4100 Transport Wnd (kts) NE 18 SE 18 Vent Rate (kt-ft) 142020 73800 Vent Category Very good Good RFTI 6 0 0 0 RFTI Category Critical Nil Nil Nil Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. A 50 percent chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. Minimum relative humidity above 15 percent. East winds around 10 mph. .FRIDAY...Mostly clear. Lows in the mid 50s. Highs in the upper 80s. Minimum relative humidity above 15 percent. South winds around 10 mph. .SATURDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Southeast winds around 5 mph. .SUNDAY...Partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the mid 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Chance of precipitation 30 percent. East winds around 5 mph. .MONDAY...Partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the mid 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Chance of precipitation 30 percent. Southeast winds around 5 mph. $$ TXZ270-271-190915- Guadalupe Mountains Above 7000 Feet- Guadalupe and Delaware Mountains- Including the cities of Guadalupe Mountains National Park and Pine Springs 142 PM CDT Mon May 18 2026 /1242 PM MDT Mon May 18 2026/ ...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING... Tonight Tue Tue Night Wed Cloud Cover Clear Clear Mclear Pcldy Precip Type None None None Tstms Chance Precip (%) 0 0 0 40 Temp (24h trend) 57 (-3) 87 (+5) 56 82 RH % (24h trend) 32 (+3) 7 (-2) 70 21 Wind 20ft/early(mph) W 14 W 8 SE 8 E 7 Wind 20ft/late(mph) W 10 SW 8 E 10 SE 9 Wind 10000 FT MSL 34 22 16 10 Mixing Hgt(ft-agl) 10600 8340 Transport Wnd (kts) W 16 SE 15 Vent Rate (kt-ft) 169600 125100 Vent Category Excellent Very good RFTI 4 1 1 0 RFTI Category Near Crit Elevated Elevated Nil Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the upper 50s. Highs in the upper 70s. Minimum relative humidity above 15 percent. Chance of precipitation 50 percent. Southwest winds 10 to 15 mph. .FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. Minimum relative humidity above 15 percent. West winds 10 to 15 mph. .SATURDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. Minimum relative humidity above 15 percent. Southwest winds around 10 mph. .SUNDAY...Partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the upper 50s. Highs in the upper 70s. Minimum relative humidity above 15 percent. Chance of precipitation 30 percent. Northeast winds around 5 mph. .MONDAY...Mostly clear. A chance of showers and a slight chance of thunderstorms. Lows in the upper 50s. Highs in the upper 70s. Minimum relative humidity above 15 percent. Chance of precipitation 40 percent. Northeast winds around 5 mph. $$ TXZ275>282-190915- Chinati Mountains-Marfa Plateau-Davis Mountains- Davis Mountains Foothills-Central Brewster-Chisos Basin- Presidio Valley-Lower Brewster County- Including the cities of Marfa, Fort Davis, Alpine, Big Bend National Park, Panther Junction, Marathon, Chisos Basin, Presidio, Lajitas, and Castolon 142 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Clear Clear Mclear Pcldy Precip Type None None None Tstms Chance Precip (%) 0 0 0 30 Temp (24h trend) 56 (-7) 98 (+3) 56 93 RH % (24h trend) 58 (+1) 5 (0) 93 14 Wind 20ft/early(mph) S 8 N 5 SE 8 SE 7 Wind 20ft/late(mph) N 6 SE 6 E 11 S 7 Wind 10000 FT MSL 24 13 17 22 Mixing Hgt(ft-agl) 12170 10360 Transport Wnd (kts) N 14 S 15 Vent Rate (kt-ft) 170380 155400 Vent Category Excellent Excellent RFTI 2 0 0 0 RFTI Category Elevated Nil Nil Nil Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Showers likely and a chance of thunderstorms. Lows around 60. Highs in the mid 80s. Minimum relative humidity above 15 percent. Chance of precipitation 70 percent. Northeast winds 5 to 10 mph. .FRIDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. South winds around 5 mph. .SATURDAY...Partly cloudy. A 50 percent chance of showers and thunderstorms. Lows around 60. Highs in the mid 80s. Minimum relative humidity above 15 percent. Northeast winds around 5 mph. .SUNDAY...Mostly clear. A 50 percent chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. North winds around 5 mph. .MONDAY...Mostly clear. A 50 percent chance of showers and thunderstorms. Lows around 60. Highs in the mid 80s. Minimum relative humidity above 15 percent. North winds around 5 mph. $$ TXZ272-273-190915- Van Horn and Highway 54 Corridor-Eastern Culberson- Including the city of Van Horn 142 PM CDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING... Tonight Tue Tue Night Wed Cloud Cover Clear Clear Mclear Pcldy Precip Type None None None Tstms Chance Precip (%) 0 0 0 40 Temp (24h trend) 58 (-4) 94 (+2) 56 87 RH % (24h trend) 34 (+10) 5 (-1) 82 15 Wind 20ft/early(mph) W 10 NW 6 SE 7 E 5 Wind 20ft/late(mph) W 7 W 7 E 7 SE 8 Wind 10000 FT MSL 32 18 15 18 Mixing Hgt(ft-agl) 11630 8570 Transport Wnd (kts) W 15 SE 15 Vent Rate (kt-ft) 174450 128550 Vent Category Excellent Very good RFTI 3 0 0 0 RFTI Category Near Crit Nil Nil Nil Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the upper 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Chance of precipitation 50 percent. Southwest winds around 10 mph. .FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 80s. Minimum relative humidity at or below 15 percent. Southwest winds around 10 mph. .SATURDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Southwest winds around 5 mph. .SUNDAY...Partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the upper 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Chance of precipitation 30 percent. North winds around 5 mph. .MONDAY...Mostly clear. A chance of showers and a slight chance of thunderstorms. Lows in the upper 50s. Highs in the upper 80s. Minimum relative humidity above 15 percent. Chance of precipitation 40 percent. North winds around 5 mph. $$ TXZ045-046-050-059-060-190915- Gaines-Dawson-Andrews-Loving-Winkler- Including the cities of Seminole, Lamesa, Andrews, Mentone, and Kermit 142 PM CDT Mon May 18 2026 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING... Tonight Tue Tue Night Wed Cloud Cover Clear Clear Pcldy Mcldy Precip Type None None None Tstms Chance Precip (%) 0 0 0 70 Temp (24h trend) 59 (-5) 94 (-2) 55 80 RH % (24h trend) 90 (0) 16 (+9) 100 46 Wind 20ft/early(mph) SW 10 NW 6 E 13 E 10 Wind 20ft/late(mph) S 6 NE 9 E 9 E 10 Wind 10000 FT MSL 33 20 11 27 Mixing Hgt(ft-agl) 6330 4100 Transport Wnd (kts) NE 15 SE 17 Vent Rate (kt-ft) 94950 69700 Vent Category Good Good RFTI 5 0 0 0 RFTI Category Critical Nil Nil Nil Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Lows in the mid 50s. Highs in the lower 80s. Minimum relative humidity above 15 percent. Chance of precipitation 70 percent. East winds 5 to 10 mph. .FRIDAY...Partly cloudy. Lows in the upper 50s. Highs in the upper 80s. Minimum relative humidity above 15 percent. South winds around 5 mph. .SATURDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Southeast winds around 5 mph. .SUNDAY...Partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the upper 50s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Chance of precipitation 40 percent. East winds around 5 mph. .MONDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 80s. Minimum relative humidity above 15 percent. East winds around 5 mph. $$ TXZ047-048-051>053-061>063-067>070-075-082-274-190915- Borden-Scurry-Martin-Howard-Mitchell-Ector-Midland-Glasscock-Ward- Crane-Upton-Reagan-Pecos-Terrell-Reeves County Plains- Including the cities of Gail, Snyder, Stanton, Big Spring, Colorado City, Odessa, Midland, Garden City, Monahans, Crane, McCamey, Rankin, Big Lake, Fort Stockton, Dryden, Sanderson, and Pecos 142 PM CDT Mon May 18 2026 Tonight Tue Tue Night Wed Cloud Cover Mclear Mclear Pcldy Mcldy Precip Type None Tstms None Tstms Chance Precip (%) 0 10 0 60 Temp (24h trend) 64 (-4) 96 (-3) 59 86 RH % (24h trend) 97 (+13) 13 (+4) 100 39 Wind 20ft/early(mph) S 12 SW 7 E 12 E 9 Wind 20ft/late(mph) S 10 NE 8 E 10 E 10 Wind 10000 FT MSL 27 19 22 25 Mixing Hgt(ft-agl) 7000 4510 Transport Wnd (kts) SE 17 SE 16 Vent Rate (kt-ft) 119000 72160 Vent Category Very good Good RFTI 2 0 0 0 RFTI Category Elevated Nil Nil Nil Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Showers and a chance of thunderstorms. Lows around 60. Highs in the lower 80s. Minimum relative humidity above 15 percent. Chance of precipitation 90 percent. East winds 5 to 10 mph. .FRIDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the lower 60s. Highs in the upper 80s. Minimum relative humidity above 15 percent. South winds around 5 mph. .SATURDAY...Partly cloudy. A 40 percent chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Southeast winds around 5 mph. .SUNDAY...Partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Chance of precipitation 50 percent. East winds around 5 mph. .MONDAY...Mostly clear. A 20 percent chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Minimum relative humidity above 15 percent. Northeast winds around 5 mph. $$