Point Forecast: Scott Air Force Base / Belleville IL  38.54N 89.84W (Elev. 127 m)	Last Update: 9:56 pm CST Jan 16, 2026

[hide menu]

Weather Elements Fire Weather Probabilistic Forecasts (Experimental) Description | Survey Temperature (°C) Dewpoint (°C) Wind Chill (°C) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet 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: 12am Sat, Jan 17 20261am Sat, Jan 17 20262am Sat, Jan 17 20263am Sat, Jan 17 20264am Sat, Jan 17 20265am Sat, Jan 17 20266am Sat, Jan 17 20267am Sat, Jan 17 20268am Sat, Jan 17 20269am Sat, Jan 17 202610am Sat, Jan 17 202611am Sat, Jan 17 202612pm Sat, Jan 17 20261pm Sat, Jan 17 20262pm Sat, Jan 17 20263pm Sat, Jan 17 20264pm Sat, Jan 17 20265pm Sat, Jan 17 20266pm Sat, Jan 17 20267pm Sat, Jan 17 20268pm Sat, Jan 17 20269pm Sat, Jan 17 202610pm Sat, Jan 17 202611pm Sat, Jan 17 202612am Sun, Jan 18 20261am Sun, Jan 18 20262am Sun, Jan 18 20263am Sun, Jan 18 20264am Sun, Jan 18 20265am Sun, Jan 18 20266am Sun, Jan 18 20267am Sun, Jan 18 20268am Sun, Jan 18 20269am Sun, Jan 18 202610am Sun, Jan 18 202611am Sun, Jan 18 202612pm Sun, Jan 18 20261pm Sun, Jan 18 20262pm Sun, Jan 18 20263pm Sun, Jan 18 20264pm Sun, Jan 18 20265pm Sun, Jan 18 20266pm Sun, Jan 18 20267pm Sun, Jan 18 20268pm Sun, Jan 18 20269pm Sun, Jan 18 202610pm Sun, Jan 18 202611pm Sun, Jan 18 202612am Mon, Jan 19 20261am Mon, Jan 19 20262am Mon, Jan 19 20263am Mon, Jan 19 20264am Mon, Jan 19 20265am Mon, Jan 19 20266am Mon, Jan 19 20267am Mon, Jan 19 20268am Mon, Jan 19 20269am Mon, Jan 19 202610am Mon, Jan 19 202611am Mon, Jan 19 202612pm Mon, Jan 19 20261pm Mon, Jan 19 20262pm Mon, Jan 19 20263pm Mon, Jan 19 20264pm Mon, Jan 19 20265pm Mon, Jan 19 20266pm Mon, Jan 19 20267pm Mon, Jan 19 20268pm Mon, Jan 19 20269pm Mon, Jan 19 202610pm Mon, Jan 19 202611pm Mon, Jan 19 202612am Tue, Jan 20 20261am Tue, Jan 20 20262am Tue, Jan 20 20263am Tue, Jan 20 20264am Tue, Jan 20 20265am Tue, Jan 20 20266am Tue, Jan 20 20267am Tue, Jan 20 20268am Tue, Jan 20 20269am Tue, Jan 20 202610am Tue, Jan 20 202611am Tue, Jan 20 202612pm Tue, Jan 20 20261pm Tue, Jan 20 20262pm Tue, Jan 20 20263pm Tue, Jan 20 20264pm Tue, Jan 20 20265pm Tue, Jan 20 20266pm Tue, Jan 20 20267pm Tue, Jan 20 20268pm Tue, Jan 20 20269pm Tue, Jan 20 202610pm Tue, Jan 20 202611pm Tue, Jan 20 202612am Wed, Jan 21 20261am Wed, Jan 21 20262am Wed, Jan 21 20263am Wed, Jan 21 20264am Wed, Jan 21 20265am Wed, Jan 21 20266am Wed, Jan 21 20267am Wed, Jan 21 20268am Wed, Jan 21 20269am Wed, Jan 21 202610am Wed, Jan 21 202611am Wed, Jan 21 2026

Date	01/17
Hour (CST)	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Temperature (°C)	-2	-3	-4	-5	-5	-6	-6	-6	-6	-5	-4	-3	-3	-3	-3	-2	-2	-4	-5	-6	-7	-7	-8	-8
Dewpoint (°C)	-8	-10	-11	-12	-12	-12	-12	-13	-13	-14	-14	-15	-16	-16	-16	-16	-16	-17	-16	-16	-17	-16	-16	-16
Wind Chill (°C)	-8	-9	-10	-11	-11	-11	-12	-12	-12	-12	-11	-10	-11	-9	-10	-9	-9	-11	-12	-12	-13	-14	-14	-14
Surface Wind (mph)	15	14	11	11	10	9	10	10	11	13	14	15	16	16	17	17	15	14	13	10	10	10	9	8
Wind Dir	W	W	W	W	W	NW	NW	W	W	W	W	W	W	W	W	W	W	W	W	W	NW	W	W	W
Gust
Sky Cover (%)	47	31	27	26	31	37	39	44	53	51	63	67	68	68	68	67	67	63	61	55	48	40	31	25
Precipitation Potential (%)	20	20	20	13	13	13	6	11	9	8	0	1	4	0	0	5	5	14	5	0	0	0	0	0
Relative Humidity (%)	63	57	57	57	57	59	59	59	54	50	44	40	36	35	35	33	33	36	41	45	45	49	53	53
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date	01/18
Hour (CST)	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Temperature (°C)	-9	-9	-10	-11	-11	-12	-12	-11	-10	-8	-6	-4	-2	-1	1	1	1	0	-1	-1	-1	-2	-2	-3
Dewpoint (°C)	-17	-17	-17	-17	-17	-17	-17	-17	-17	-17	-17	-17	-17	-17	-17	-16	-16	-15	-14	-14	-13	-12	-12	-11
Wind Chill (°C)	-15	-15	-15	-16	-16	-17	-17	-16	-16	-14	-12	-10	-7	-6	-5	-4	-4	-4	-4	-6	-6	-7	-7	-8
Surface Wind (mph)	8	7	6	6	6	6	6	6	7	9	10	11	13	14	14	14	11	9	8	8	9	10	10	11
Wind Dir	W	W	W	W	W	W	W	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	W	W	W	W
Gust
Sky Cover (%)	24	24	17	7	4	3	7	17	18	17	26	41	50	54	57	61	52	42	33	33	32	32	36	39
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 (%)	53	56	58	58	60	63	63	60	58	51	43	35	29	27	26	26	29	31	34	37	41	44	48	53
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

English 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