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Point Forecast: Lewistown MT  47.07N 109.43W (Elev. 3898 ft)	Last Update: 5:25 pm MDT Apr 18, 2019

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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 Haines Index Trans. Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Grassland Fire Danger Index Ceiling Height Visibility

48-Hour Period Starting: 7pm Thu, Apr 18 20198pm Thu, Apr 18 20199pm Thu, Apr 18 201910pm Thu, Apr 18 201911pm Thu, Apr 18 201912am Fri, Apr 19 20191am Fri, Apr 19 20192am Fri, Apr 19 20193am Fri, Apr 19 20194am Fri, Apr 19 20195am Fri, Apr 19 20196am Fri, Apr 19 20197am Fri, Apr 19 20198am Fri, Apr 19 20199am Fri, Apr 19 201910am Fri, Apr 19 201911am Fri, Apr 19 201912pm Fri, Apr 19 20191pm Fri, Apr 19 20192pm Fri, Apr 19 20193pm Fri, Apr 19 20194pm Fri, Apr 19 20195pm Fri, Apr 19 20196pm Fri, Apr 19 20197pm Fri, Apr 19 20198pm Fri, Apr 19 20199pm Fri, Apr 19 201910pm Fri, Apr 19 201911pm Fri, Apr 19 201912am Sat, Apr 20 20191am Sat, Apr 20 20192am Sat, Apr 20 20193am Sat, Apr 20 20194am Sat, Apr 20 20195am Sat, Apr 20 20196am Sat, Apr 20 20197am Sat, Apr 20 20198am Sat, Apr 20 20199am Sat, Apr 20 201910am Sat, Apr 20 201911am Sat, Apr 20 201912pm Sat, Apr 20 20191pm Sat, Apr 20 20192pm Sat, Apr 20 20193pm Sat, Apr 20 20194pm Sat, Apr 20 20195pm Sat, Apr 20 20196pm Sat, Apr 20 20197pm Sat, Apr 20 20198pm Sat, Apr 20 20199pm Sat, Apr 20 201910pm Sat, Apr 20 201911pm Sat, Apr 20 201912am Sun, Apr 21 20191am Sun, Apr 21 20192am Sun, Apr 21 20193am Sun, Apr 21 20194am Sun, Apr 21 20195am Sun, Apr 21 20196am Sun, Apr 21 20197am Sun, Apr 21 20198am Sun, Apr 21 20199am Sun, Apr 21 201910am Sun, Apr 21 201911am Sun, Apr 21 201912pm Sun, Apr 21 20191pm Sun, Apr 21 20192pm Sun, Apr 21 20193pm Sun, Apr 21 20194pm Sun, Apr 21 20195pm Sun, Apr 21 20196pm Sun, Apr 21 20197pm Sun, Apr 21 20198pm Sun, Apr 21 20199pm Sun, Apr 21 201910pm Sun, Apr 21 201911pm Sun, Apr 21 201912am Mon, Apr 22 20191am Mon, Apr 22 20192am Mon, Apr 22 20193am Mon, Apr 22 20194am Mon, Apr 22 20195am Mon, Apr 22 20196am Mon, Apr 22 20197am Mon, Apr 22 20198am Mon, Apr 22 20199am Mon, Apr 22 201910am Mon, Apr 22 201911am Mon, Apr 22 201912pm Mon, Apr 22 20191pm Mon, Apr 22 20192pm Mon, Apr 22 20193pm Mon, Apr 22 20194pm Mon, Apr 22 20195pm Mon, Apr 22 20196pm Mon, Apr 22 20197pm Mon, Apr 22 20198pm Mon, Apr 22 20199pm Mon, Apr 22 201910pm Mon, Apr 22 201911pm Mon, Apr 22 201912am Tue, Apr 23 20191am Tue, Apr 23 20192am Tue, Apr 23 20193am Tue, Apr 23 20194am Tue, Apr 23 20195am Tue, Apr 23 20196am Tue, Apr 23 2019

Date	04/18					04/19
Hour (MDT)	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)	61	58	53	51	49	49	48	47	46	47	47	47	47	53	58	63	66	70	71	72	73	73	72	71
Dewpoint (°F)	36	37	36	36	36	36	37	36	36	37	36	36	36	39	38	38	38	39	38	37	37	36	36	38
Wind Chill (°F)					44	44	43	42	40	41	42	41	41
Surface Wind (mph)	15	13	11	11	11	11	11	11	13	13	11	13	14	16	18	20	18	20	21	21	22	22	22	15
Wind Dir	W	W	WSW	WSW	SW	SW	WSW	WSW	WSW	SW	SW	SW	SW	WSW	WSW	WSW	W	W	W	W	W	W	W	W
Gust	22	20							20	20		20	21	24	28	29	28	29	30	30	32	32	32	28
Sky Cover (%)	44	43	42	38	34	30	33	32	30	29	25	17	17	20	23	18	18	24	27	36	43	43	54	71
Precipitation Potential (%)	1	1	1	1	1	1	1	1	1	1	0	1	1	2	3	3	4	5	5	13	21	21	28	52
Relative Humidity (%)	39	45	52	56	61	61	65	66	67	67	66	66	66	58	48	39	35	32	30	28	27	26	27	30
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	Chc	SChc
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date						04/20
Hour (MDT)	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)	66	63	58	55	53	52	50	49	47	46	45	44	43	43	44	46	49	51	51	50	50	49	48	47
Dewpoint (°F)	40	40	40	42	42	42	41	41	41	41	40	39	39	38	38	39	39	39	38	38	38	37	36	35
Wind Chill (°F)							47	46	44	42	41	40	39	38	39	42	45			46	46	45	43	43
Surface Wind (mph)	14	11	10	10	8	7	7	7	7	7	7	7	7	8	8	8	9	9	9	10	10	10	10	9
Wind Dir	SW	W	SW	SW	W	W	W	W	W	WNW	WNW	NW	NW	NW	NW	NNW	NNW	N	N	N	N	N	N	N
Gust	24	22		20			18	18	18
Sky Cover (%)	71	71	68	69	71	73	76	78	81	83	85	82	80	79	77	79	81	83	88	93	98	97	97	96
Precipitation Potential (%)	52	52	48	48	48	54	54	54	54	54	54	52	52	52	52	52	52	51	51	51	51	51	51	36
Relative Humidity (%)	38	43	51	62	66	68	71	75	79	81	83	84	84	83	80	75	69	64	62	62	62	62	62	63
Rain	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Thunder	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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