Point Forecast: McAllen, Miller International Airport TX  26.18N 98.26W	Last Update: 4:45 pm CDT Jul 18, 2026

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Weather Elements Weather/Precipitation Fire Weather Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Mixing Height  x100ftx100m Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Red Flag Threat Index

48-Hour Period Starting: 4pm Sat, Jul 18 20265pm Sat, Jul 18 20266pm Sat, Jul 18 20267pm Sat, Jul 18 20268pm Sat, Jul 18 20269pm Sat, Jul 18 202610pm Sat, Jul 18 202611pm Sat, Jul 18 202612am Sun, Jul 19 20261am Sun, Jul 19 20262am Sun, Jul 19 20263am Sun, Jul 19 20264am Sun, Jul 19 20265am Sun, Jul 19 20266am Sun, Jul 19 20267am Sun, Jul 19 20268am Sun, Jul 19 20269am Sun, Jul 19 202610am Sun, Jul 19 202611am Sun, Jul 19 202612pm Sun, Jul 19 20261pm Sun, Jul 19 20262pm Sun, Jul 19 20263pm Sun, Jul 19 20264pm Sun, Jul 19 20265pm Sun, Jul 19 20266pm Sun, Jul 19 20267pm Sun, Jul 19 20268pm Sun, Jul 19 20269pm Sun, Jul 19 202610pm Sun, Jul 19 202611pm Sun, Jul 19 202612am Mon, Jul 20 20261am Mon, Jul 20 20262am Mon, Jul 20 20263am Mon, Jul 20 20264am Mon, Jul 20 20265am Mon, Jul 20 20266am Mon, Jul 20 20267am Mon, Jul 20 20268am Mon, Jul 20 20269am Mon, Jul 20 202610am Mon, Jul 20 202611am Mon, Jul 20 202612pm Mon, Jul 20 20261pm Mon, Jul 20 20262pm Mon, Jul 20 20263pm Mon, Jul 20 20264pm Mon, Jul 20 20265pm Mon, Jul 20 20266pm Mon, Jul 20 20267pm Mon, Jul 20 20268pm Mon, Jul 20 20269pm Mon, Jul 20 202610pm Mon, Jul 20 202611pm Mon, Jul 20 202612am Tue, Jul 21 20261am Tue, Jul 21 20262am Tue, Jul 21 20263am Tue, Jul 21 20264am Tue, Jul 21 20265am Tue, Jul 21 20266am Tue, Jul 21 20267am Tue, Jul 21 20268am Tue, Jul 21 20269am Tue, Jul 21 202610am Tue, Jul 21 202611am Tue, Jul 21 202612pm Tue, Jul 21 20261pm Tue, Jul 21 20262pm Tue, Jul 21 20263pm Tue, Jul 21 20264pm Tue, Jul 21 20265pm Tue, Jul 21 20266pm Tue, Jul 21 20267pm Tue, Jul 21 20268pm Tue, Jul 21 20269pm Tue, Jul 21 202610pm Tue, Jul 21 202611pm Tue, Jul 21 202612am Wed, Jul 22 20261am Wed, Jul 22 20262am Wed, Jul 22 20263am Wed, Jul 22 20264am Wed, Jul 22 20265am Wed, Jul 22 20266am Wed, Jul 22 20267am Wed, Jul 22 20268am Wed, Jul 22 20269am Wed, Jul 22 202610am Wed, Jul 22 202611am Wed, Jul 22 202612pm Wed, Jul 22 20261pm Wed, Jul 22 20262pm Wed, Jul 22 20263pm Wed, Jul 22 20264pm Wed, Jul 22 20265pm Wed, Jul 22 20266pm Wed, Jul 22 20267pm Wed, Jul 22 20268pm Wed, Jul 22 20269pm Wed, Jul 22 202610pm Wed, Jul 22 202611pm Wed, Jul 22 202612am Thu, Jul 23 20261am Thu, Jul 23 20262am Thu, Jul 23 20263am Thu, Jul 23 2026

Date	07/18								07/19
Hour (CDT)	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15
Temperature (°F)	100	99	98	94	90	87	85	83	82	82	81	81	80	80	80	79	80	84	89	93	97	100	101	101
Dewpoint (°F)	70	70	70	72	73	74	75	75	76	76	76	76	75	75	76	75	75	75	73	72	71	70	69	68
Heat Index (°F)	107	107	105	102	98	95	93	91	90	89	88	87	85	85	84	83	86	91	97	101	105	107	108	108
Surface Wind (mph)	16	17	17	16	16	15	15	14	13	11	11	11	11	11	11	11	11	13	13	15	15	15	15	15
Wind Dir	SSE	SE	SE	SE	SE	SE	SE	SE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE
Gust	28	29	29	28	28	28	28	28	26	25	25	25	25	25	25	24	24	24	24	25	26	26	26	26
Sky Cover (%)	46	51	53	43	52	29	36	38	31	40	38	48	39	49	29	59	28	40	33	14	27	22	23	25
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	39	39	41	49	56	64	72	76	79	81	83	83	85	86	87	88	84	75	60	51	43	38	36	35
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date									07/20
Hour (CDT)	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15
Temperature (°F)	101	100	99	95	91	87	84	82	82	81	80	80	79	78	78	78	79	83	88	93	98	101	103	104
Dewpoint (°F)	68	68	68	69	70	72	73	73	74	74	74	74	74	74	74	74	74	73	72	71	69	68	67	66
Heat Index (°F)	108	106	104	100	97	93	90	88	87	86	85	84	79	78	78	78	83	89	96	100	104	107	109	109
Surface Wind (mph)	15	16	16	16	16	15	15	14	13	11	11	10	10	10	10	10	10	10	11	11	13	13	13	14
Wind Dir	SE	SE	SE	SE	SE	SE	SE	SE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SE
Gust	26	28	28	28	28	28	29	28	26	25	24	24	23	23	23	22	22	22	22	22	22	22	23	23
Sky Cover (%)	20	25	20	20	18	18	11	10	15	26	26	37	28	28	37	24	46	27	7	6	5	4	4	3
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	35	35	36	44	52	61	68	73	77	79	81	82	84	86	87	88	84	72	59	48	40	34	31	30
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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