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Point Forecast: 4 Miles SW North Spearfish SD  44.47N 103.97W (Elev. 5299 ft)	Last Update: 5:09 pm MDT Oct 21, 2019

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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 Haines Index Lightning Activity Level Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Dispersion Index 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: 5pm Mon, Oct 21 20196pm Mon, Oct 21 20197pm Mon, Oct 21 20198pm Mon, Oct 21 20199pm Mon, Oct 21 201910pm Mon, Oct 21 201911pm Mon, Oct 21 201912am Tue, Oct 22 20191am Tue, Oct 22 20192am Tue, Oct 22 20193am Tue, Oct 22 20194am Tue, Oct 22 20195am Tue, Oct 22 20196am Tue, Oct 22 20197am Tue, Oct 22 20198am Tue, Oct 22 20199am Tue, Oct 22 201910am Tue, Oct 22 201911am Tue, Oct 22 201912pm Tue, Oct 22 20191pm Tue, Oct 22 20192pm Tue, Oct 22 20193pm Tue, Oct 22 20194pm Tue, Oct 22 20195pm Tue, Oct 22 20196pm Tue, Oct 22 20197pm Tue, Oct 22 20198pm Tue, Oct 22 20199pm Tue, Oct 22 201910pm Tue, Oct 22 201911pm Tue, Oct 22 201912am Wed, Oct 23 20191am Wed, Oct 23 20192am Wed, Oct 23 20193am Wed, Oct 23 20194am Wed, Oct 23 20195am Wed, Oct 23 20196am Wed, Oct 23 20197am Wed, Oct 23 20198am Wed, Oct 23 20199am Wed, Oct 23 201910am Wed, Oct 23 201911am Wed, Oct 23 201912pm Wed, Oct 23 20191pm Wed, Oct 23 20192pm Wed, Oct 23 20193pm Wed, Oct 23 20194pm Wed, Oct 23 20195pm Wed, Oct 23 20196pm Wed, Oct 23 20197pm Wed, Oct 23 20198pm Wed, Oct 23 20199pm Wed, Oct 23 201910pm Wed, Oct 23 201911pm Wed, Oct 23 201912am Thu, Oct 24 20191am Thu, Oct 24 20192am Thu, Oct 24 20193am Thu, Oct 24 20194am Thu, Oct 24 20195am Thu, Oct 24 20196am Thu, Oct 24 20197am Thu, Oct 24 20198am Thu, Oct 24 20199am Thu, Oct 24 201910am Thu, Oct 24 201911am Thu, Oct 24 201912pm Thu, Oct 24 20191pm Thu, Oct 24 20192pm Thu, Oct 24 20193pm Thu, Oct 24 20194pm Thu, Oct 24 20195pm Thu, Oct 24 20196pm Thu, Oct 24 20197pm Thu, Oct 24 20198pm Thu, Oct 24 20199pm Thu, Oct 24 201910pm Thu, Oct 24 201911pm Thu, Oct 24 201912am Fri, Oct 25 20191am Fri, Oct 25 20192am Fri, Oct 25 20193am Fri, Oct 25 20194am Fri, Oct 25 20195am Fri, Oct 25 20196am Fri, Oct 25 20197am Fri, Oct 25 20198am Fri, Oct 25 20199am Fri, Oct 25 201910am Fri, Oct 25 201911am Fri, Oct 25 201912pm Fri, Oct 25 20191pm Fri, Oct 25 20192pm Fri, Oct 25 20193pm Fri, Oct 25 20194pm Fri, Oct 25 20195pm Fri, Oct 25 20196pm Fri, Oct 25 20197pm Fri, Oct 25 20198pm Fri, Oct 25 20199pm Fri, Oct 25 201910pm Fri, Oct 25 201911pm Fri, Oct 25 201912am Sat, Oct 26 20191am Sat, Oct 26 20192am Sat, Oct 26 20193am Sat, Oct 26 20194am Sat, Oct 26 2019

Date	10/21							10/22
Hour (MDT)	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16
Temperature (°F)	34	33	33	33	32	32	32	32	32	33	32	32	32	32	32	32	35	35	38	39	42	43	43	43
Dewpoint (°F)	28	27	27	26	25	25	25	26	26	25	25	25	25	25	25	26	26	26	27	28	29	30	31	32
Wind Chill (°F)	27	25	24	23	23	22	22	22	22	22	21	22	22	22	22	22	25	25	29	30	34	35	35	35
Surface Wind (mph)	8	11	14	13	13	14	15	15	15	16	16	15	15	15	15	15	15	15	16	16	16	16	16	16
Wind Dir	N	NW	NW	NW	NW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W
Gust			20	18	18	20	21	21	22	22	22	22	22	21	21	21	21	22	22	22	23	23	23	22
Sky Cover (%)	48	44	41	39	36	37	38	38	33	29	24	24	24	25	32	39	46	43	41	38	51	64	77	74
Precipitation Potential (%)	16	16	16	16	16	16	16	6	5	4	2	3	3	2	2	3	3	2	6	13	14	15	15	15
Relative Humidity (%)	78	78	79	77	75	75	75	78	78	72	75	75	75	75	75	78	69	69	64	64	60	60	62	65
Rain	--	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	SChc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date								10/23
Hour (MDT)	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16
Temperature (°F)	42	42	43	41	43	44	43	41	41	40	40	38	35	33	32	36	31	34	32	31	32	33	33	32
Dewpoint (°F)	33	33	33	33	34	34	34	33	33	32	32	31	30	30	29	28	27	26	26	26	26	26	26	26
Wind Chill (°F)	34	34	36	33	35	36	35	32	32	31	31	28	23	21	20	26	20	24	20	19	20	22	22	21
Surface Wind (mph)	15	15	15	16	16	17	20	21	20	20	20	21	23	23	21	18	16	16	18	20	21	21	21	20
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW
Gust	21	21	21	22	23	25	26	29	28	28	28	30	32	33	30	25	22	23	25	28	29	29	29	28
Sky Cover (%)	71	68	69	71	72	72	71	70	71	73	74	74	75	76	76	77	78	78	77	77	78	80	81	80
Precipitation Potential (%)	24	45	50	51	51	51	46	34	31	30	30	30	34	47	47	47	47	47	47	58	58	58	58	58
Relative Humidity (%)	70	70	67	73	70	68	70	73	73	73	73	76	82	89	88	72	85	72	78	81	78	75	75	78
Rain	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	--	--	Chc	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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