Point Forecast: St. Charles County Smartt Airport MO  38.94N 90.45W (Elev. 130 m)	Last Update: 3:06 pm CDT Oct 5, 2026

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Weather Elements Fire Weather Probabilistic Forecasts (Experimental) Description | Survey Temperature (°C) Dewpoint (°C) Heat Index (°C) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Mixing Height  x100ftx100m Trans. Wind  ktmphkm/hm/s Vent Rate (x1000 mph-m) Quantitative Precipitation  3-hr6-hr12-hr24-hr   info     0.100.250.501.00 Snowfall  3-hr6-hr12-hr24-hr   info     0.1in1in3in6in12in

48-Hour Period Starting: 4pm Mon, Oct 5 20265pm Mon, Oct 5 20266pm Mon, Oct 5 20267pm Mon, Oct 5 20268pm Mon, Oct 5 20269pm Mon, Oct 5 202610pm Mon, Oct 5 202611pm Mon, Oct 5 202612am Tue, Oct 6 20261am Tue, Oct 6 20262am Tue, Oct 6 20263am Tue, Oct 6 20264am Tue, Oct 6 20265am Tue, Oct 6 20266am Tue, Oct 6 20267am Tue, Oct 6 20268am Tue, Oct 6 20269am Tue, Oct 6 202610am Tue, Oct 6 202611am Tue, Oct 6 202612pm Tue, Oct 6 20261pm Tue, Oct 6 20262pm Tue, Oct 6 20263pm Tue, Oct 6 20264pm Tue, Oct 6 20265pm Tue, Oct 6 20266pm Tue, Oct 6 20267pm Tue, Oct 6 20268pm Tue, Oct 6 20269pm Tue, Oct 6 202610pm Tue, Oct 6 202611pm Tue, Oct 6 202612am Wed, Oct 7 20261am Wed, Oct 7 20262am Wed, Oct 7 20263am Wed, Oct 7 20264am Wed, Oct 7 20265am Wed, Oct 7 20266am Wed, Oct 7 20267am Wed, Oct 7 20268am Wed, Oct 7 20269am Wed, Oct 7 202610am Wed, Oct 7 202611am Wed, Oct 7 202612pm Wed, Oct 7 20261pm Wed, Oct 7 20262pm Wed, Oct 7 20263pm Wed, Oct 7 20264pm Wed, Oct 7 20265pm Wed, Oct 7 20266pm Wed, Oct 7 20267pm Wed, Oct 7 20268pm Wed, Oct 7 20269pm Wed, Oct 7 202610pm Wed, Oct 7 202611pm Wed, Oct 7 202612am Thu, Oct 8 20261am Thu, Oct 8 20262am Thu, Oct 8 20263am Thu, Oct 8 20264am Thu, Oct 8 20265am Thu, Oct 8 20266am Thu, Oct 8 20267am Thu, Oct 8 20268am Thu, Oct 8 20269am Thu, Oct 8 202610am Thu, Oct 8 202611am Thu, Oct 8 202612pm Thu, Oct 8 20261pm Thu, Oct 8 20262pm Thu, Oct 8 20263pm Thu, Oct 8 20264pm Thu, Oct 8 20265pm Thu, Oct 8 20266pm Thu, Oct 8 20267pm Thu, Oct 8 20268pm Thu, Oct 8 20269pm Thu, Oct 8 202610pm Thu, Oct 8 202611pm Thu, Oct 8 202612am Fri, Oct 9 20261am Fri, Oct 9 20262am Fri, Oct 9 20263am Fri, Oct 9 20264am Fri, Oct 9 20265am Fri, Oct 9 20266am Fri, Oct 9 20267am Fri, Oct 9 20268am Fri, Oct 9 20269am Fri, Oct 9 202610am Fri, Oct 9 202611am Fri, Oct 9 202612pm Fri, Oct 9 20261pm Fri, Oct 9 20262pm Fri, Oct 9 20263pm Fri, Oct 9 20264pm Fri, Oct 9 20265pm Fri, Oct 9 20266pm Fri, Oct 9 20267pm Fri, Oct 9 20268pm Fri, Oct 9 20269pm Fri, Oct 9 202610pm Fri, Oct 9 202611pm Fri, Oct 9 202612am Sat, Oct 10 20261am Sat, Oct 10 20262am Sat, Oct 10 20263am Sat, Oct 10 2026

Date	10/05								10/06
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 (°C)	25	24	23	20	18	17	16	15	14	13	12	12	11	11	11	10	12	16	18	21	23	24	26	26
Dewpoint (°C)	5	5	6	6	7	7	7	7	7	7	7	7	7	7	7	7	8	8	9	9	7	7	7	6
Heat Index (°C)	25	24																				24	26	26
Surface Wind (mph)	3	3	5	5	5	5	5	5	3	3	5	5	5	3	5	5	3	5	7	7	8	8	8	7
Wind Dir	NE	NE	NE	NE	NE	E	E	E	E	E	E	E	E	E	E	E	E	SE	SE	S	S	S	S	S
Gust
Sky Cover (%)	3	3	2	3	2	0	4	2	0	2	1	1	2	2	0	2	0	0	0	1	0	1	2	2
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 (%)	28	28	33	40	48	52	55	57	62	66	69	71	74	80	80	83	77	62	54	46	37	33	30	28
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date									10/07
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 (°C)	27	26	24	22	19	18	18	17	16	16	15	14	14	14	14	14	16	19	22	25	28	29	31	31
Dewpoint (°C)	6	6	7	7	7	7	7	7	8	8	8	8	8	8	8	8	10	11	11	11	12	13	13	13
Heat Index (°C)	26	26	24																	25	27	29	30	30
Surface Wind (mph)	7	6	5	5	5	5	5	5	5	5	5	5	3	5	5	5	7	8	8	8	9	9	9	9
Wind Dir	S	S	S	S	S	SE	SE	SE	S	S	S	S	SW	SW	SW	SW	SW	W	W	W	W	W	W	W
Gust
Sky Cover (%)	4	2	1	3	1	1	4	2	1	2	2	1	3	3	2	4	0	1	2	2	2	2	3	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 (%)	27	29	33	38	45	48	50	54	60	60	62	64	67	67	69	69	67	58	48	42	38	36	35	34
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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