Point Forecast: Harrisburg IL  37.76N 88.55W	Last Update: 7:22 pm CDT Apr 11, 2026

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Weather Elements Weather/Precipitation 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 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 Sat, Apr 11 20268pm Sat, Apr 11 20269pm Sat, Apr 11 202610pm Sat, Apr 11 202611pm Sat, Apr 11 202612am Sun, Apr 12 20261am Sun, Apr 12 20262am Sun, Apr 12 20263am Sun, Apr 12 20264am Sun, Apr 12 20265am Sun, Apr 12 20266am Sun, Apr 12 20267am Sun, Apr 12 20268am Sun, Apr 12 20269am Sun, Apr 12 202610am Sun, Apr 12 202611am Sun, Apr 12 202612pm Sun, Apr 12 20261pm Sun, Apr 12 20262pm Sun, Apr 12 20263pm Sun, Apr 12 20264pm Sun, Apr 12 20265pm Sun, Apr 12 20266pm Sun, Apr 12 20267pm Sun, Apr 12 20268pm Sun, Apr 12 20269pm Sun, Apr 12 202610pm Sun, Apr 12 202611pm Sun, Apr 12 202612am Mon, Apr 13 20261am Mon, Apr 13 20262am Mon, Apr 13 20263am Mon, Apr 13 20264am Mon, Apr 13 20265am Mon, Apr 13 20266am Mon, Apr 13 20267am Mon, Apr 13 20268am Mon, Apr 13 20269am Mon, Apr 13 202610am Mon, Apr 13 202611am Mon, Apr 13 202612pm Mon, Apr 13 20261pm Mon, Apr 13 20262pm Mon, Apr 13 20263pm Mon, Apr 13 20264pm Mon, Apr 13 20265pm Mon, Apr 13 20266pm Mon, Apr 13 20267pm Mon, Apr 13 20268pm Mon, Apr 13 20269pm Mon, Apr 13 202610pm Mon, Apr 13 202611pm Mon, Apr 13 202612am Tue, Apr 14 20261am Tue, Apr 14 20262am Tue, Apr 14 20263am Tue, Apr 14 20264am Tue, Apr 14 20265am Tue, Apr 14 20266am Tue, Apr 14 20267am Tue, Apr 14 20268am Tue, Apr 14 20269am Tue, Apr 14 202610am Tue, Apr 14 202611am Tue, Apr 14 202612pm Tue, Apr 14 20261pm Tue, Apr 14 20262pm Tue, Apr 14 20263pm Tue, Apr 14 20264pm Tue, Apr 14 20265pm Tue, Apr 14 20266pm Tue, Apr 14 20267pm Tue, Apr 14 20268pm Tue, Apr 14 20269pm Tue, Apr 14 202610pm Tue, Apr 14 202611pm Tue, Apr 14 202612am Wed, Apr 15 20261am Wed, Apr 15 20262am Wed, Apr 15 20263am Wed, Apr 15 20264am Wed, Apr 15 20265am Wed, Apr 15 20266am Wed, Apr 15 20267am Wed, Apr 15 20268am Wed, Apr 15 20269am Wed, Apr 15 202610am Wed, Apr 15 202611am Wed, Apr 15 202612pm Wed, Apr 15 20261pm Wed, Apr 15 20262pm Wed, Apr 15 20263pm Wed, Apr 15 20264pm Wed, Apr 15 20265pm Wed, Apr 15 20266pm Wed, Apr 15 20267pm Wed, Apr 15 20268pm Wed, Apr 15 20269pm Wed, Apr 15 202610pm Wed, Apr 15 202611pm Wed, Apr 15 202612am Thu, Apr 16 20261am Thu, Apr 16 20262am Thu, Apr 16 20263am Thu, Apr 16 20264am Thu, Apr 16 20265am Thu, Apr 16 20266am Thu, Apr 16 2026

Date	04/11					04/12
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 (°F)	73	71	68	66	65	64	64	63	62	62	62	60	62	64	68	74	78	80	81	82	83	82	82	81
Dewpoint (°F)	57	56	56	55	55	54	54	53	53	52	52	51	51	52	53	52	53	53	53	52	52	51	51	50
Wind Chill (°F)
Surface Wind (mph)	6	5	3	2	2	3	3	3	5	5	5	5	6	7	9	10	14	15	16	16	16	15	15	14
Wind Dir	ESE	ESE	SE	SE	SE	SE	SE	SSE	SSE	SSE	S	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	S
Gust																20	22	23	24	24	25	25	24	22
Sky Cover (%)	22	20	19	17	30	30	37	33	31	27	27	15	23	40	31	24	24	43	45	44	64	63	54	60
Precipitation Potential (%)	6	3	2	2	3	3	3	3	3	3	2	2	2	1	1	1	1	2	2	3	5	7	8	8
Relative Humidity (%)	57	60	64	68	70	70	70	70	72	70	70	72	67	65	59	46	42	39	38	35	34	34	34	34
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date						04/13
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 (°F)	78	75	74	73	73	72	72	71	70	69	68	68	68	69	71	73	75	78	80	81	82	83	82	81
Dewpoint (°F)	50	49	48	48	48	49	50	51	51	52	53	54	55	56	58	59	60	60	60	60	59	59	59	59
Wind Chill (°F)
Surface Wind (mph)	11	11	11	13	13	14	14	14	15	15	15	15	15	16	16	17	18	18	18	18	18	17	16	15
Wind Dir	S	S	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW
Gust	21	21	21	22	23	23	24	25	26	26	26	25	25	26	26	28	28	26	26	26	26	26	25	24
Sky Cover (%)	46	68	66	63	66	70	73	74	74	75	70	64	59	58	56	55	54	52	51	48	46	43	42	42
Precipitation Potential (%)	12	12	12	12	12	12	61	61	61	61	61	61	36	36	36	36	36	36	12	12	12	12	12	12
Relative Humidity (%)	38	40	40	41	41	44	46	49	51	55	59	61	63	63	64	62	60	54	51	49	46	44	46	47
Rain	--	--	--	--	--	--	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	Chc	Chc	Chc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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