Point Forecast: Forest Lake IL  42.2N 88.06W	Last Update: 4:11 am CDT Mar 11, 2026

[hide menu]

Weather Elements Fire Weather Probabilistic Forecasts (Experimental) Description | Survey Temperature (°F) Dewpoint (°F) Wind Chill (°F) 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-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: 5am Wed, Mar 11 20266am Wed, Mar 11 20267am Wed, Mar 11 20268am Wed, Mar 11 20269am Wed, Mar 11 202610am Wed, Mar 11 202611am Wed, Mar 11 202612pm Wed, Mar 11 20261pm Wed, Mar 11 20262pm Wed, Mar 11 20263pm Wed, Mar 11 20264pm Wed, Mar 11 20265pm Wed, Mar 11 20266pm Wed, Mar 11 20267pm Wed, Mar 11 20268pm Wed, Mar 11 20269pm Wed, Mar 11 202610pm Wed, Mar 11 202611pm Wed, Mar 11 202612am Thu, Mar 12 20261am Thu, Mar 12 20262am Thu, Mar 12 20263am Thu, Mar 12 20264am Thu, Mar 12 20265am Thu, Mar 12 20266am Thu, Mar 12 20267am Thu, Mar 12 20268am Thu, Mar 12 20269am Thu, Mar 12 202610am Thu, Mar 12 202611am Thu, Mar 12 202612pm Thu, Mar 12 20261pm Thu, Mar 12 20262pm Thu, Mar 12 20263pm Thu, Mar 12 20264pm Thu, Mar 12 20265pm Thu, Mar 12 20266pm Thu, Mar 12 20267pm Thu, Mar 12 20268pm Thu, Mar 12 20269pm Thu, Mar 12 202610pm Thu, Mar 12 202611pm Thu, Mar 12 202612am Fri, Mar 13 20261am Fri, Mar 13 20262am Fri, Mar 13 20263am Fri, Mar 13 20264am Fri, Mar 13 20265am Fri, Mar 13 20266am Fri, Mar 13 20267am Fri, Mar 13 20268am Fri, Mar 13 20269am Fri, Mar 13 202610am Fri, Mar 13 202611am Fri, Mar 13 202612pm Fri, Mar 13 20261pm Fri, Mar 13 20262pm Fri, Mar 13 20263pm Fri, Mar 13 20264pm Fri, Mar 13 20265pm Fri, Mar 13 20266pm Fri, Mar 13 20267pm Fri, Mar 13 20268pm Fri, Mar 13 20269pm Fri, Mar 13 202610pm Fri, Mar 13 202611pm Fri, Mar 13 202612am Sat, Mar 14 20261am Sat, Mar 14 20262am Sat, Mar 14 20263am Sat, Mar 14 20264am Sat, Mar 14 20265am Sat, Mar 14 20266am Sat, Mar 14 20267am Sat, Mar 14 20268am Sat, Mar 14 20269am Sat, Mar 14 202610am Sat, Mar 14 202611am Sat, Mar 14 202612pm Sat, Mar 14 20261pm Sat, Mar 14 20262pm Sat, Mar 14 20263pm Sat, Mar 14 20264pm Sat, Mar 14 20265pm Sat, Mar 14 20266pm Sat, Mar 14 20267pm Sat, Mar 14 20268pm Sat, Mar 14 20269pm Sat, Mar 14 202610pm Sat, Mar 14 202611pm Sat, Mar 14 202612am Sun, Mar 15 20261am Sun, Mar 15 20262am Sun, Mar 15 20263am Sun, Mar 15 20264am Sun, Mar 15 20265am Sun, Mar 15 20266am Sun, Mar 15 20267am Sun, Mar 15 20268am Sun, Mar 15 20269am Sun, Mar 15 202610am Sun, Mar 15 202611am Sun, Mar 15 202612pm Sun, Mar 15 20261pm Sun, Mar 15 20262pm Sun, Mar 15 20263pm Sun, Mar 15 20264pm Sun, Mar 15 2026

Date	03/11																			03/12
Hour (CDT)	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04
Temperature (°F)	37	36	35	36	37	37	36	34	33	34	34	35	35	35	34	34	32	31	31	30	30	29	28	28
Dewpoint (°F)	37	36	35	36	35	34	32	31	31	30	30	30	29	29	28	27	25	23	22	22	23	23	23	23
Wind Chill (°F)	28	26	25	27	28	27	26	24	22	22	23	23	24	24	24	24	23	23	22	22	21	21	20	20
Surface Wind (mph)	13	14	15	15	16	16	16	17	17	18	21	21	21	18	16	15	13	10	9	9	9	9	8	7
Wind Dir	N	N	N	N	N	N	N	NNW	NNW	NNW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	WNW	WNW	W
Gust	22	23	24	25	25	26	28	28	29	30	30	30	29	28	25	23	21	20	18	17	17	16	15	14
Sky Cover (%)	100	100	100	100	100	100	100	100	100	100	100	100	96	92	88	64	39	15	12	9	6	6	7	7
Precipitation Potential (%)	84	82	80	80	79	79	80	80	80	64	49	33	24	15	6	4	2	0	0	0	0	0	0	0
Relative Humidity (%)	100	100	100	100	90	88	88	89	90	87	84	81	80	79	78	75	73	71	71	73	75	77	80	82
Rain	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	SChc	--	--	--	--	SChc	--	--	--	--	--	--	--	--	--	--
Thunder	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	Ocnl	Ocnl	Lkly	Chc	Chc	SChc	SChc	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																				03/13
Hour (CDT)	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04
Temperature (°F)	27	27	27	29	32	35	38	41	43	45	46	46	46	45	44	43	43	42	42	42	42	42	41	41
Dewpoint (°F)	23	23	23	24	25	26	26	26	26	26	26	26	27	27	28	28	29	29	29	30	30	31	31	32
Wind Chill (°F)	20	20	20	22	25	29	32	35	37	39	40	40	40	39	37	36	34	33	32	32	31	31	30	30
Surface Wind (mph)	7	7	7	7	7	8	9	9	10	11	11	13	13	13	13	16	20	22	24	26	28	29	29	29
Wind Dir	W	W	W	W	W	W	W	W	W	WSW	WSW	SW	SW	SSW	S	S	S	S	S	S	S	SSW	SSW	SSW
Gust	13	13	13	13	14	14	15	16	17	18	20	20	20	20	21	25	30	33	36	38	39	40	40	40
Sky Cover (%)	11	14	18	15	13	10	12	14	16	31	46	61	69	78	86	90	93	97	96	95	94	92	91	89
Precipitation Potential (%)	0	0	0	0	0	0	0	0	3	3	3	3	3	3	50	50	50	50	50	50	66	66	66	66
Relative Humidity (%)	83	83	84	83	77	68	61	55	51	48	46	46	48	50	54	56	58	59	60	61	62	65	68	70
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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