Point Forecast: Marengo IL  42.24N 88.62W	Last Update: 4:31 pm CDT Oct 16, 2026

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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 20ft 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: 7pm Fri, Oct 16 20268pm Fri, Oct 16 20269pm Fri, Oct 16 202610pm Fri, Oct 16 202611pm Fri, Oct 16 202612am Sat, Oct 17 20261am Sat, Oct 17 20262am Sat, Oct 17 20263am Sat, Oct 17 20264am Sat, Oct 17 20265am Sat, Oct 17 20266am Sat, Oct 17 20267am Sat, Oct 17 20268am Sat, Oct 17 20269am Sat, Oct 17 202610am Sat, Oct 17 202611am Sat, Oct 17 202612pm Sat, Oct 17 20261pm Sat, Oct 17 20262pm Sat, Oct 17 20263pm Sat, Oct 17 20264pm Sat, Oct 17 20265pm Sat, Oct 17 20266pm Sat, Oct 17 20267pm Sat, Oct 17 20268pm Sat, Oct 17 20269pm Sat, Oct 17 202610pm Sat, Oct 17 202611pm Sat, Oct 17 202612am Sun, Oct 18 20261am Sun, Oct 18 20262am Sun, Oct 18 20263am Sun, Oct 18 20264am Sun, Oct 18 20265am Sun, Oct 18 20266am Sun, Oct 18 20267am Sun, Oct 18 20268am Sun, Oct 18 20269am Sun, Oct 18 202610am Sun, Oct 18 202611am Sun, Oct 18 202612pm Sun, Oct 18 20261pm Sun, Oct 18 20262pm Sun, Oct 18 20263pm Sun, Oct 18 20264pm Sun, Oct 18 20265pm Sun, Oct 18 20266pm Sun, Oct 18 20267pm Sun, Oct 18 20268pm Sun, Oct 18 20269pm Sun, Oct 18 202610pm Sun, Oct 18 202611pm Sun, Oct 18 202612am Mon, Oct 19 20261am Mon, Oct 19 20262am Mon, Oct 19 20263am Mon, Oct 19 20264am Mon, Oct 19 20265am Mon, Oct 19 20266am Mon, Oct 19 20267am Mon, Oct 19 20268am Mon, Oct 19 20269am Mon, Oct 19 202610am Mon, Oct 19 202611am Mon, Oct 19 202612pm Mon, Oct 19 20261pm Mon, Oct 19 20262pm Mon, Oct 19 20263pm Mon, Oct 19 20264pm Mon, Oct 19 20265pm Mon, Oct 19 20266pm Mon, Oct 19 20267pm Mon, Oct 19 20268pm Mon, Oct 19 20269pm Mon, Oct 19 202610pm Mon, Oct 19 202611pm Mon, Oct 19 202612am Tue, Oct 20 20261am Tue, Oct 20 20262am Tue, Oct 20 20263am Tue, Oct 20 20264am Tue, Oct 20 20265am Tue, Oct 20 20266am Tue, Oct 20 20267am Tue, Oct 20 20268am Tue, Oct 20 20269am Tue, Oct 20 202610am Tue, Oct 20 202611am Tue, Oct 20 202612pm Tue, Oct 20 20261pm Tue, Oct 20 20262pm Tue, Oct 20 20263pm Tue, Oct 20 20264pm Tue, Oct 20 20265pm Tue, Oct 20 20266pm Tue, Oct 20 20267pm Tue, Oct 20 20268pm Tue, Oct 20 20269pm Tue, Oct 20 202610pm Tue, Oct 20 202611pm Tue, Oct 20 202612am Wed, Oct 21 20261am Wed, Oct 21 20262am Wed, Oct 21 20263am Wed, Oct 21 20264am Wed, Oct 21 20265am Wed, Oct 21 20266am Wed, Oct 21 2026

Date	10/16					10/17
Hour (CDT)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°C)	8	7	6	5	4	4	3	3	2	1	1	0	0	1	3	7	8	11	12	12	13	13	12	11
Dewpoint (°C)	3	3	3	3	2	2	1	0	0	-1	-1	-1	-1	0	1	1	1	1	1	0	0	0	0	1
Wind Chill (°C)	4	3	2	1	1	0	0	-1	-1	-2	-2	-2	-2	1	3	7	8
Surface Wind (mph)	16	15	14	13	11	10	9	8	7	6	5	3	3	2	2	2	3	6	7	9	9	10	9	8
Wind Dir	N	N	N	N	N	N	N	N	N	N	N	NNW	NNW	NNW	NNW	NNW	NW	W	SW	SW	SW	SW	SW	SW
Gust	26	24	22	21
Sky Cover (%)	64	45	27	8	5	2	3	1	1	1	1	1	1	2	2	2	2	2	3	2	1	3	1	4
Precipitation Potential (%)	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	72	78	82	84	83	84	83	84	85	88	89	92	94	91	84	68	58	51	45	43	42	41	43	49
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date						10/18
Hour (CDT)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°C)	9	7	6	6	6	6	5	5	4	4	4	3	3	4	7	9	12	14	15	16	17	16	16	14
Dewpoint (°C)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	3	4	4	4	4	4	4	4	4
Wind Chill (°C)	8	5	4	4	3	3	3	3	2	2	1	0	1	1	3	7
Surface Wind (mph)	7	6	6	6	6	5	6	6	6	7	7	7	8	9	11	11	13	14	14	14	14	13	10	9
Wind Dir	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	S
Gust														18	20	21	22	23	23	23	22	21	18
Sky Cover (%)	8	1	2	3	2	1	1	2	1	0	1	0	2	0	1	1	1	2	2	2	3	3	4	4
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 (%)	54	64	68	72	74	75	75	76	79	79	80	84	82	80	74	66	60	54	49	46	44	44	46	50
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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