Point Forecast: Lake St. Louis MO  38.79N 90.79W (Elev. 512 ft)	Last Update: 7:07 am CDT May 8, 2024

[hide menu]

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 Haines Index Lightning Activity Level 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: 7am Wed, May 8 20248am Wed, May 8 20249am Wed, May 8 202410am Wed, May 8 202411am Wed, May 8 202412pm Wed, May 8 20241pm Wed, May 8 20242pm Wed, May 8 20243pm Wed, May 8 20244pm Wed, May 8 20245pm Wed, May 8 20246pm Wed, May 8 20247pm Wed, May 8 20248pm Wed, May 8 20249pm Wed, May 8 202410pm Wed, May 8 202411pm Wed, May 8 202412am Thu, May 9 20241am Thu, May 9 20242am Thu, May 9 20243am Thu, May 9 20244am Thu, May 9 20245am Thu, May 9 20246am Thu, May 9 20247am Thu, May 9 20248am Thu, May 9 20249am Thu, May 9 202410am Thu, May 9 202411am Thu, May 9 202412pm Thu, May 9 20241pm Thu, May 9 20242pm Thu, May 9 20243pm Thu, May 9 20244pm Thu, May 9 20245pm Thu, May 9 20246pm Thu, May 9 20247pm Thu, May 9 20248pm Thu, May 9 20249pm Thu, May 9 202410pm Thu, May 9 202411pm Thu, May 9 202412am Fri, May 10 20241am Fri, May 10 20242am Fri, May 10 20243am Fri, May 10 20244am Fri, May 10 20245am Fri, May 10 20246am Fri, May 10 20247am Fri, May 10 20248am Fri, May 10 20249am Fri, May 10 202410am Fri, May 10 202411am Fri, May 10 202412pm Fri, May 10 20241pm Fri, May 10 20242pm Fri, May 10 20243pm Fri, May 10 20244pm Fri, May 10 20245pm Fri, May 10 20246pm Fri, May 10 20247pm Fri, May 10 20248pm Fri, May 10 20249pm Fri, May 10 202410pm Fri, May 10 202411pm Fri, May 10 202412am Sat, May 11 20241am Sat, May 11 20242am Sat, May 11 20243am Sat, May 11 20244am Sat, May 11 20245am Sat, May 11 20246am Sat, May 11 20247am Sat, May 11 20248am Sat, May 11 20249am Sat, May 11 202410am Sat, May 11 202411am Sat, May 11 202412pm Sat, May 11 20241pm Sat, May 11 20242pm Sat, May 11 20243pm Sat, May 11 20244pm Sat, May 11 20245pm Sat, May 11 20246pm Sat, May 11 20247pm Sat, May 11 20248pm Sat, May 11 20249pm Sat, May 11 202410pm Sat, May 11 202411pm Sat, May 11 202412am Sun, May 12 20241am Sun, May 12 20242am Sun, May 12 20243am Sun, May 12 20244am Sun, May 12 20245am Sun, May 12 20246am Sun, May 12 20247am Sun, May 12 20248am Sun, May 12 20249am Sun, May 12 202410am Sun, May 12 202411am Sun, May 12 202412pm Sun, May 12 20241pm Sun, May 12 20242pm Sun, May 12 20243pm Sun, May 12 20244pm Sun, May 12 20245pm Sun, May 12 20246pm Sun, May 12 2024

Date	05/08																	05/09
Hour (CDT)	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06
Temperature (°F)	54	60	67	71	75	75	76	77	74	74	74	70	70	68	66	66	65	64	63	62	63	60	59	58
Dewpoint (°F)	54	57	58	59	60	62	63	64	65	65	66	64	64	63	63	62	62	62	60	60	59	58	56	55
Heat Index (°F)					75	75	76	77
Surface Wind (mph)	3	5	8	9	8	9	9	13	13	14	13	11	10	11	9	8	7	8	8	10	10	10	10	10
Wind Dir	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	S	S	SE	S	W	W	W	W	W	W	W	W
Gust				20				22	22	25	23	22	22	21						20	20
Sky Cover (%)	8	8	24	63	84	83	90	92	87	92	92	90	87	85	74	72	65	72	62	53	43	43	35	28
Precipitation Potential (%)	0	0	3	17	40	55	70	69	61	57	50	54	57	46	38	26	18	9	5	5	5	3	1	0
Relative Humidity (%)	100	90	73	66	60	64	65	65	73	75	77	80	82	85	91	87	90	93	89	92	88	94	89	88
Rain	--	--	--	SChc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Lkly	Chc	Chc	Chc	SChc	--	--	--	--	--	--	--
Thunder	--	--	--	SChc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Lkly	Chc	Chc	Chc	SChc	--	--	--	--	--	--	--
Date																		05/10
Hour (CDT)	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06
Temperature (°F)	58	59	62	66	67	69	71	70	70	69	68	67	65	63	60	58	57	56	55	54	53	53	52	52
Dewpoint (°F)	54	54	56	56	56	56	56	55	55	54	54	53	53	53	53	53	52	52	51	51	50	50	50	49
Heat Index (°F)
Surface Wind (mph)	11	13	14	15	16	17	18	18	17	16	16	13	11	10	9	8	7	7	7	7	8	8	8	7
Wind Dir	W	W	W	W	W	W	NW	NW	NW	NW	NW	N	N	N	N	N	N	N	N	N	N	N	N	NW
Gust	21	22	24	25	25	28	30	29	26	25	24	21
Sky Cover (%)	27	27	28	36	44	44	48	52	55	55	51	46	30	39	48	57	57	57	57	57	57	57	54	50
Precipitation Potential (%)	0	0	0	0	0	5	9	8	7	9	11	9	11	11	11	11	11	11	8	8	8	8	8	8
Relative Humidity (%)	87	83	82	69	67	63	59	58	60	59	61	62	64	71	78	83	83	86	86	90	89	89	93	89
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph City Digital Fcst County Digital Fcst Hazardous Weather River Stages STL Climate Summary COU Climate Summary UIN Climate Summary Local Climatology Weather Roundup