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Point Forecast: Lewistown MT  47.07N 109.43W (Elev. 3898 ft)	Last Update: 8:56 am MST Feb 21, 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: 9am Thu, Feb 21 201910am Thu, Feb 21 201911am Thu, Feb 21 201912pm Thu, Feb 21 20191pm Thu, Feb 21 20192pm Thu, Feb 21 20193pm Thu, Feb 21 20194pm Thu, Feb 21 20195pm Thu, Feb 21 20196pm Thu, Feb 21 20197pm Thu, Feb 21 20198pm Thu, Feb 21 20199pm Thu, Feb 21 201910pm Thu, Feb 21 201911pm Thu, Feb 21 201912am Fri, Feb 22 20191am Fri, Feb 22 20192am Fri, Feb 22 20193am Fri, Feb 22 20194am Fri, Feb 22 20195am Fri, Feb 22 20196am Fri, Feb 22 20197am Fri, Feb 22 20198am Fri, Feb 22 20199am Fri, Feb 22 201910am Fri, Feb 22 201911am Fri, Feb 22 201912pm Fri, Feb 22 20191pm Fri, Feb 22 20192pm Fri, Feb 22 20193pm Fri, Feb 22 20194pm Fri, Feb 22 20195pm Fri, Feb 22 20196pm Fri, Feb 22 20197pm Fri, Feb 22 20198pm Fri, Feb 22 20199pm Fri, Feb 22 201910pm Fri, Feb 22 201911pm Fri, Feb 22 201912am Sat, Feb 23 20191am Sat, Feb 23 20192am Sat, Feb 23 20193am Sat, Feb 23 20194am Sat, Feb 23 20195am Sat, Feb 23 20196am Sat, Feb 23 20197am Sat, Feb 23 20198am Sat, Feb 23 20199am Sat, Feb 23 201910am Sat, Feb 23 201911am Sat, Feb 23 201912pm Sat, Feb 23 20191pm Sat, Feb 23 20192pm Sat, Feb 23 20193pm Sat, Feb 23 20194pm Sat, Feb 23 20195pm Sat, Feb 23 20196pm Sat, Feb 23 20197pm Sat, Feb 23 20198pm Sat, Feb 23 20199pm Sat, Feb 23 201910pm Sat, Feb 23 201911pm Sat, Feb 23 201912am Sun, Feb 24 20191am Sun, Feb 24 20192am Sun, Feb 24 20193am Sun, Feb 24 20194am Sun, Feb 24 20195am Sun, Feb 24 20196am Sun, Feb 24 20197am Sun, Feb 24 20198am Sun, Feb 24 20199am Sun, Feb 24 201910am Sun, Feb 24 201911am Sun, Feb 24 201912pm Sun, Feb 24 20191pm Sun, Feb 24 20192pm Sun, Feb 24 20193pm Sun, Feb 24 20194pm Sun, Feb 24 20195pm Sun, Feb 24 20196pm Sun, Feb 24 20197pm Sun, Feb 24 20198pm Sun, Feb 24 20199pm Sun, Feb 24 201910pm Sun, Feb 24 201911pm Sun, Feb 24 201912am Mon, Feb 25 20191am Mon, Feb 25 20192am Mon, Feb 25 20193am Mon, Feb 25 20194am Mon, Feb 25 20195am Mon, Feb 25 20196am Mon, Feb 25 20197am Mon, Feb 25 20198am Mon, Feb 25 20199am Mon, Feb 25 201910am Mon, Feb 25 201911am Mon, Feb 25 201912pm Mon, Feb 25 20191pm Mon, Feb 25 20192pm Mon, Feb 25 20193pm Mon, Feb 25 20194pm Mon, Feb 25 20195pm Mon, Feb 25 20196pm Mon, Feb 25 20197pm Mon, Feb 25 20198pm Mon, Feb 25 2019

Date	02/21															02/22
Hour (MST)	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)	9	8	8	8	9	9	8	7	4	2	-1	-2	-3	-4	-5	-5	-6	-6	-6	-5	-7	-5	-3	-1
Dewpoint (°F)	7	5	5	5	6	5	4	3	0	-1	-4	-5	-7	-8	-9	-9	-10	-10	-9	-8	-10	-8	-6	-4
Wind Chill (°F)	-5	-6	-7	-7	-5	-5	-5	-7	-5	-6	-11	-14	-15	-16	-19	-19	-20	-20	-20	-19	-21	-19	-17	-14
Surface Wind (mph)	10	10	11	11	10	10	9	9	5	3	5	6	6	6	7	7	7	7	7	7	7	7	7	7
Wind Dir	WNW	WNW	NW	NW	NW	WNW	WNW	WNW	WNW	W	S	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S
Gust
Sky Cover (%)	98	97	93	93	92	91	88	84	78	60	47	32	24	11	7	6	4	3	2	1	0	0	0	0
Precipitation Potential (%)	67	51	35	28	22	15	13	13	3	2	0	2	2	2	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	90	89	89	88	87	85	84	82	83	86	86	86	84	82	82	82	83	84	85	86	87	87	88	88
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	Lkly	Chc	Chc	Chc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																02/23
Hour (MST)	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)	5	12	17	20	21	22	21	8	18	16	14	12	12	12	13	12	11	11	12	14	15	14	14	14
Dewpoint (°F)	2	8	12	13	12	11	10	-5	8	7	6	5	5	4	5	4	3	3	5	8	10	9	10	10
Wind Chill (°F)	-7	1	7	10	11	11	10	-5	7	4	2	-1	-1	-2	-1	-2	-3	-3	-2	0	2	0	0	0
Surface Wind (mph)	7	7	8	8	9	10	10	9	9	9	9	10	10	11	11	11	11	11	11	11	11	11	13	13
Wind Dir	S	SSW	SSW	SW	SW	SW	WSW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	WSW	WSW	WSW	WSW	W
Gust																							18	18
Sky Cover (%)	0	0	0	1	2	3	6	9	12	24	48	59	54	41	34	31	26	23	33	50	59	56	50	44
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	7	7	7	7
Relative Humidity (%)	86	86	81	73	67	61	60	55	64	67	70	72	72	71	70	70	70	71	73	76	80	81	82	82
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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