Point Forecast: 2 Miles WNW Amboy IL  41.72N 89.36W	Last Update: 7:36 am CDT Sep 4, 2026

[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 Trans. Wind  ktmphkm/hm/s 20ft 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: 9am Fri, Sep 4 202610am Fri, Sep 4 202611am Fri, Sep 4 202612pm Fri, Sep 4 20261pm Fri, Sep 4 20262pm Fri, Sep 4 20263pm Fri, Sep 4 20264pm Fri, Sep 4 20265pm Fri, Sep 4 20266pm Fri, Sep 4 20267pm Fri, Sep 4 20268pm Fri, Sep 4 20269pm Fri, Sep 4 202610pm Fri, Sep 4 202611pm Fri, Sep 4 202612am Sat, Sep 5 20261am Sat, Sep 5 20262am Sat, Sep 5 20263am Sat, Sep 5 20264am Sat, Sep 5 20265am Sat, Sep 5 20266am Sat, Sep 5 20267am Sat, Sep 5 20268am Sat, Sep 5 20269am Sat, Sep 5 202610am Sat, Sep 5 202611am Sat, Sep 5 202612pm Sat, Sep 5 20261pm Sat, Sep 5 20262pm Sat, Sep 5 20263pm Sat, Sep 5 20264pm Sat, Sep 5 20265pm Sat, Sep 5 20266pm Sat, Sep 5 20267pm Sat, Sep 5 20268pm Sat, Sep 5 20269pm Sat, Sep 5 202610pm Sat, Sep 5 202611pm Sat, Sep 5 202612am Sun, Sep 6 20261am Sun, Sep 6 20262am Sun, Sep 6 20263am Sun, Sep 6 20264am Sun, Sep 6 20265am Sun, Sep 6 20266am Sun, Sep 6 20267am Sun, Sep 6 20268am Sun, Sep 6 20269am Sun, Sep 6 202610am Sun, Sep 6 202611am Sun, Sep 6 202612pm Sun, Sep 6 20261pm Sun, Sep 6 20262pm Sun, Sep 6 20263pm Sun, Sep 6 20264pm Sun, Sep 6 20265pm Sun, Sep 6 20266pm Sun, Sep 6 20267pm Sun, Sep 6 20268pm Sun, Sep 6 20269pm Sun, Sep 6 202610pm Sun, Sep 6 202611pm Sun, Sep 6 202612am Mon, Sep 7 20261am Mon, Sep 7 20262am Mon, Sep 7 20263am Mon, Sep 7 20264am Mon, Sep 7 20265am Mon, Sep 7 20266am Mon, Sep 7 20267am Mon, Sep 7 20268am Mon, Sep 7 20269am Mon, Sep 7 202610am Mon, Sep 7 202611am Mon, Sep 7 202612pm Mon, Sep 7 20261pm Mon, Sep 7 20262pm Mon, Sep 7 20263pm Mon, Sep 7 20264pm Mon, Sep 7 20265pm Mon, Sep 7 20266pm Mon, Sep 7 20267pm Mon, Sep 7 20268pm Mon, Sep 7 20269pm Mon, Sep 7 202610pm Mon, Sep 7 202611pm Mon, Sep 7 202612am Tue, Sep 8 20261am Tue, Sep 8 20262am Tue, Sep 8 20263am Tue, Sep 8 20264am Tue, Sep 8 20265am Tue, Sep 8 20266am Tue, Sep 8 20267am Tue, Sep 8 20268am Tue, Sep 8 20269am Tue, Sep 8 202610am Tue, Sep 8 202611am Tue, Sep 8 202612pm Tue, Sep 8 20261pm Tue, Sep 8 20262pm Tue, Sep 8 20263pm Tue, Sep 8 20264pm Tue, Sep 8 20265pm Tue, Sep 8 20266pm Tue, Sep 8 20267pm Tue, Sep 8 20268pm Tue, Sep 8 2026

Date	09/04															09/05
Hour (CDT)	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08
Temperature (°F)	81	84	87	90	92	93	94	94	92	90	86	83	80	79	78	77	76	75	74	74	73	72	73	75
Dewpoint (°F)	73	73	75	75	75	75	75	75	75	75	75	75	74	74	73	72	72	71	71	71	71	71	71	72
Heat Index (°F)	86	91	97	101	103	104	106	106	104	101	96	90	85	83	78	77	76	75						75
Surface Wind (mph)	7	7	7	8	9	9	9	10	9	7	5	5	2	2	2	3	3	3	2	2	2	2	3	3
Wind Dir	SW	SW	WSW	WSW	W	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	WSW	WSW	SW	SSW	WSW	WSW	W	WNW	WNW	NW	NNW
Gust					15	15	15	15	15
Sky Cover (%)	16	17	15	27	32	30	37	17	35	25	20	33	29	37	44	45	38	29	14	16	21	13	20	16
Precipitation Potential (%)	2	5	5	3	2	1	1	2	2	1	3	5	6	6	7	11	15	15	15	17	17	17	6	6
Relative Humidity (%)	76	70	67	62	58	56	55	55	57	61	69	76	81	82	84	85	86	90	89	91	93	94	95	91
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--
Date																09/06
Hour (CDT)	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08
Temperature (°F)	78	81	84	87	88	89	89	89	87	85	80	77	74	72	70	68	67	67	67	66	66	65	66	68
Dewpoint (°F)	74	75	75	75	74	73	72	72	72	72	71	71	71	70	70	68	67	67	67	66	66	65	66	68
Heat Index (°F)	78	86	93	96	97	97	97	95	93	91	84	77
Surface Wind (mph)	2	3	5	5	6	6	7	7	7	7	7	7	8	8	7	6	5	5	5	5	3	3	5	5
Wind Dir	NE	NE	NNE	NNE	NNE	N	NNE	NNE	NNE	NE	NE	NE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	E
Gust				10		11	13	13	13	14	14	14	14	14	13	11	10
Sky Cover (%)	16	15	12	9	16	18	14	21	20	11	13	30	24	17	20	23	26	31	37	42	44	45	47	44
Precipitation Potential (%)	6	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	4	4
Relative Humidity (%)	88	82	74	67	63	59	58	58	60	65	74	81	88	94	99	100	100	100	100	100	100	100	100	98
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph Graphical Hazardous Weather Outlook Hazardous Weather Regional Weather Conditions Past Weather Information