Point Forecast: St. Charles County Smartt Airport MO  38.94N 90.45W (Elev. 427 ft)	Last Update: 8:22 am CDT Jun 13, 2025

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Weather Elements Fire Weather Probabilistic Forecasts (Experimental) Description | Survey 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 Vent Rate (x1000 mph-ft) 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: 8am Fri, Jun 13 20259am Fri, Jun 13 202510am Fri, Jun 13 202511am Fri, Jun 13 202512pm Fri, Jun 13 20251pm Fri, Jun 13 20252pm Fri, Jun 13 20253pm Fri, Jun 13 20254pm Fri, Jun 13 20255pm Fri, Jun 13 20256pm Fri, Jun 13 20257pm Fri, Jun 13 20258pm Fri, Jun 13 20259pm Fri, Jun 13 202510pm Fri, Jun 13 202511pm Fri, Jun 13 202512am Sat, Jun 14 20251am Sat, Jun 14 20252am Sat, Jun 14 20253am Sat, Jun 14 20254am Sat, Jun 14 20255am Sat, Jun 14 20256am Sat, Jun 14 20257am Sat, Jun 14 20258am Sat, Jun 14 20259am Sat, Jun 14 202510am Sat, Jun 14 202511am Sat, Jun 14 202512pm Sat, Jun 14 20251pm Sat, Jun 14 20252pm Sat, Jun 14 20253pm Sat, Jun 14 20254pm Sat, Jun 14 20255pm Sat, Jun 14 20256pm Sat, Jun 14 20257pm Sat, Jun 14 20258pm Sat, Jun 14 20259pm Sat, Jun 14 202510pm Sat, Jun 14 202511pm Sat, Jun 14 202512am Sun, Jun 15 20251am Sun, Jun 15 20252am Sun, Jun 15 20253am Sun, Jun 15 20254am Sun, Jun 15 20255am Sun, Jun 15 20256am Sun, Jun 15 20257am Sun, Jun 15 20258am Sun, Jun 15 20259am Sun, Jun 15 202510am Sun, Jun 15 202511am Sun, Jun 15 202512pm Sun, Jun 15 20251pm Sun, Jun 15 20252pm Sun, Jun 15 20253pm Sun, Jun 15 20254pm Sun, Jun 15 20255pm Sun, Jun 15 20256pm Sun, Jun 15 20257pm Sun, Jun 15 20258pm Sun, Jun 15 20259pm Sun, Jun 15 202510pm Sun, Jun 15 202511pm Sun, Jun 15 202512am Mon, Jun 16 20251am Mon, Jun 16 20252am Mon, Jun 16 20253am Mon, Jun 16 20254am Mon, Jun 16 20255am Mon, Jun 16 20256am Mon, Jun 16 20257am Mon, Jun 16 20258am Mon, Jun 16 20259am Mon, Jun 16 202510am Mon, Jun 16 202511am Mon, Jun 16 202512pm Mon, Jun 16 20251pm Mon, Jun 16 20252pm Mon, Jun 16 20253pm Mon, Jun 16 20254pm Mon, Jun 16 20255pm Mon, Jun 16 20256pm Mon, Jun 16 20257pm Mon, Jun 16 20258pm Mon, Jun 16 20259pm Mon, Jun 16 202510pm Mon, Jun 16 202511pm Mon, Jun 16 202512am Tue, Jun 17 20251am Tue, Jun 17 20252am Tue, Jun 17 20253am Tue, Jun 17 20254am Tue, Jun 17 20255am Tue, Jun 17 20256am Tue, Jun 17 20257am Tue, Jun 17 20258am Tue, Jun 17 20259am Tue, Jun 17 202510am Tue, Jun 17 202511am Tue, Jun 17 202512pm Tue, Jun 17 20251pm Tue, Jun 17 20252pm Tue, Jun 17 20253pm Tue, Jun 17 20254pm Tue, Jun 17 20255pm Tue, Jun 17 20256pm Tue, Jun 17 20257pm Tue, Jun 17 2025

Date	06/13																06/14
Hour (CDT)	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07
Temperature (°F)	72	71	72	72	73	74	75	75	76	75	75	75	74	71	71	71	71	70	70	69	69	69	69	70
Dewpoint (°F)	68	68	68	69	69	69	69	70	70	70	70	68	69	68	69	69	69	68	68	68	68	67	68	68
Heat Index (°F)							75	75	76	75	75	75
Surface Wind (mph)	7	7	7	8	9	8	8	7	6	6	6	6	6	6	6	5	3	3	3	3	3	3	5	5
Wind Dir	E	E	E	SE	SE	SE	SE	E	E	E	NE	NE	NE	NE	NE	NE	NE	N	N	N	N	NW	NW	N
Gust
Sky Cover (%)	100	100	100	100	100	100	92	96	88	91	93	91	88	86	87	87	88	90	88	88	90	89	90	89
Precipitation Potential (%)	76	83	83	82	88	83	82	82	82	79	73	61	53	47	42	31	28	19	17	17	15	13	13	15
Relative Humidity (%)	87	90	87	90	87	84	82	84	82	84	84	79	84	90	93	93	93	93	93	97	97	93	97	93
Rain	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	--	--	SChc
Thunder	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Chc	Chc	Chc	--	--	--	--	--	--	--	--	--	--
Date																	06/15
Hour (CDT)	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07
Temperature (°F)	70	72	73	75	78	80	81	81	82	82	82	82	79	77	74	72	71	71	70	69	69	69	69	70
Dewpoint (°F)	68	68	69	69	69	69	69	69	69	69	69	69	69	69	69	69	68	68	68	67	67	67	67	67
Heat Index (°F)				75	78	83	84	84	85	85	85	85	79	77
Surface Wind (mph)	6	6	6	6	7	7	8	8	8	7	7	6	5	3	2	2	2	2	2	2	2	2	2	2
Wind Dir	N	N	N	N	N	N	N	N	N	N	N	N	N	N	NE	NE	N	N	N	N	N	N	N	N
Gust
Sky Cover (%)	88	90	88	82	73	66	61	59	58	54	49	41	38	35	32	30	29	27	34	40	47	49	52	54
Precipitation Potential (%)	15	15	17	17	17	30	30	30	24	24	24	6	6	6	6	6	6	2	2	2	2	2	2	6
Relative Humidity (%)	93	87	87	82	74	69	67	67	65	65	65	65	72	77	84	89	90	90	92	93	93	93	93	90
Rain	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--

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