Point Forecast: 2 Miles SSW Spearfish SD  44.46N 103.84W (Elev. 4229 ft)	Last Update: 8:16 am MDT Mar 16, 2026

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Weather Elements Fire Weather Aviation Weather 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) Dispersion Index Ceiling Height Visibility Thunder Potential

48-Hour Period Starting: 9am Mon, Mar 16 202610am Mon, Mar 16 202611am Mon, Mar 16 202612pm Mon, Mar 16 20261pm Mon, Mar 16 20262pm Mon, Mar 16 20263pm Mon, Mar 16 20264pm Mon, Mar 16 20265pm Mon, Mar 16 20266pm Mon, Mar 16 20267pm Mon, Mar 16 20268pm Mon, Mar 16 20269pm Mon, Mar 16 202610pm Mon, Mar 16 202611pm Mon, Mar 16 202612am Tue, Mar 17 20261am Tue, Mar 17 20262am Tue, Mar 17 20263am Tue, Mar 17 20264am Tue, Mar 17 20265am Tue, Mar 17 20266am Tue, Mar 17 20267am Tue, Mar 17 20268am Tue, Mar 17 20269am Tue, Mar 17 202610am Tue, Mar 17 202611am Tue, Mar 17 202612pm Tue, Mar 17 20261pm Tue, Mar 17 20262pm Tue, Mar 17 20263pm Tue, Mar 17 20264pm Tue, Mar 17 20265pm Tue, Mar 17 20266pm Tue, Mar 17 20267pm Tue, Mar 17 20268pm Tue, Mar 17 20269pm Tue, Mar 17 202610pm Tue, Mar 17 202611pm Tue, Mar 17 202612am Wed, Mar 18 20261am Wed, Mar 18 20262am Wed, Mar 18 20263am Wed, Mar 18 20264am Wed, Mar 18 20265am Wed, Mar 18 20266am Wed, Mar 18 20267am Wed, Mar 18 20268am Wed, Mar 18 20269am Wed, Mar 18 202610am Wed, Mar 18 202611am Wed, Mar 18 202612pm Wed, Mar 18 20261pm Wed, Mar 18 20262pm Wed, Mar 18 20263pm Wed, Mar 18 20264pm Wed, Mar 18 20265pm Wed, Mar 18 20266pm Wed, Mar 18 20267pm Wed, Mar 18 20268pm Wed, Mar 18 20269pm Wed, Mar 18 202610pm Wed, Mar 18 202611pm Wed, Mar 18 202612am Thu, Mar 19 20261am Thu, Mar 19 20262am Thu, Mar 19 20263am Thu, Mar 19 20264am Thu, Mar 19 20265am Thu, Mar 19 20266am Thu, Mar 19 20267am Thu, Mar 19 20268am Thu, Mar 19 20269am Thu, Mar 19 202610am Thu, Mar 19 202611am Thu, Mar 19 202612pm Thu, Mar 19 20261pm Thu, Mar 19 20262pm Thu, Mar 19 20263pm Thu, Mar 19 20264pm Thu, Mar 19 20265pm Thu, Mar 19 20266pm Thu, Mar 19 20267pm Thu, Mar 19 20268pm Thu, Mar 19 20269pm Thu, Mar 19 202610pm Thu, Mar 19 202611pm Thu, Mar 19 202612am Fri, Mar 20 20261am Fri, Mar 20 20262am Fri, Mar 20 20263am Fri, Mar 20 20264am Fri, Mar 20 20265am Fri, Mar 20 20266am Fri, Mar 20 20267am Fri, Mar 20 20268am Fri, Mar 20 20269am Fri, Mar 20 202610am Fri, Mar 20 202611am Fri, Mar 20 202612pm Fri, Mar 20 20261pm Fri, Mar 20 20262pm Fri, Mar 20 20263pm Fri, Mar 20 20264pm Fri, Mar 20 20265pm Fri, Mar 20 20266pm Fri, Mar 20 20267pm Fri, Mar 20 20268pm Fri, Mar 20 2026

Date	03/16															03/17
Hour (MDT)	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)	16	19	22	25	29	33	33	33	33	32	31	31	32	33	34	35	36	37	41	42	42	44	44	46
Dewpoint (°F)	5	6	7	8	9	11	14	15	17	19	19	20	22	23	26	28	29	30	32	32	33	33	33	33
Wind Chill (°F)	11	12	15	19	23	29	29	30	30	32	28	28	27	28	29	29	30	30	35	36	35	37	37	39
Surface Wind (mph)	3	5	5	5	6	5	5	3	3	2	3	3	5	6	6	7	8	9	10	11	14	14	16	17
Wind Dir	W	W	NW	NW	NW	NW	NW	NW	NW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W
Gust																16	18	20	22	24	28	29	31	32
Sky Cover (%)	56	52	43	38	37	40	47	64	70	84	87	88	88	94	90	91	94	93	94	95	92	67	65	66
Precipitation Potential (%)	1	1	1	1	2	10	10	10	10	32	32	32	32	32	32	57	57	57	57	57	57	12	12	12
Relative Humidity (%)	60	57	51	47	43	39	45	47	51	58	61	63	66	66	72	75	75	75	70	67	70	65	65	60
Rain	--	--	--	--	--	--	--	--	--	--	--	--	Chc	--	Chc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																03/18
Hour (MDT)	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)	48	50	52	54	56	57	57	57	56	55	53	52	50	49	48	48	48	47	47	46	45	45	47	49
Dewpoint (°F)	32	32	32	32	33	33	34	34	34	34	34	33	33	33	33	33	33	33	33	33	33	33	33	34
Wind Chill (°F)	42	44											45	44	43	43	43	42	42	41	39	39	42	44
Surface Wind (mph)	17	18	20	20	20	20	20	18	18	17	16	15	14	14	13	13	13	11	11	11	11	11	11	11
Wind Dir	W	W	W	W	W	NW	NW	NW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W
Gust	33	34	36	37	37	37	37	36	33	32	30	29	28	26	25	25	25	24	24	24	23	23	23	23
Sky Cover (%)	67	63	59	55	51	48	44	41	38	35	37	38	40	37	34	31	33	34	36	44	52	60	58	55
Precipitation Potential (%)	12	12	12	3	3	3	3	3	3	1	1	1	1	1	1	1	1	1	1	1	1	4	4	4
Relative Humidity (%)	54	50	46	43	42	40	42	42	43	45	48	48	52	54	56	56	56	58	58	60	63	63	58	56
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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