Point Forecast: Lewistown MT  47.07N 109.43W (Elev. 3898 ft)	Last Update: 2:31 pm MDT Apr 22, 2025

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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 Vent Rate (x1000 mph-ft) Grassland Fire Danger Index Ceiling Height Visibility

48-Hour Period Starting: 7pm Tue, Apr 22 20258pm Tue, Apr 22 20259pm Tue, Apr 22 202510pm Tue, Apr 22 202511pm Tue, Apr 22 202512am Wed, Apr 23 20251am Wed, Apr 23 20252am Wed, Apr 23 20253am Wed, Apr 23 20254am Wed, Apr 23 20255am Wed, Apr 23 20256am Wed, Apr 23 20257am Wed, Apr 23 20258am Wed, Apr 23 20259am Wed, Apr 23 202510am Wed, Apr 23 202511am Wed, Apr 23 202512pm Wed, Apr 23 20251pm Wed, Apr 23 20252pm Wed, Apr 23 20253pm Wed, Apr 23 20254pm Wed, Apr 23 20255pm Wed, Apr 23 20256pm Wed, Apr 23 20257pm Wed, Apr 23 20258pm Wed, Apr 23 20259pm Wed, Apr 23 202510pm Wed, Apr 23 202511pm Wed, Apr 23 202512am Thu, Apr 24 20251am Thu, Apr 24 20252am Thu, Apr 24 20253am Thu, Apr 24 20254am Thu, Apr 24 20255am Thu, Apr 24 20256am Thu, Apr 24 20257am Thu, Apr 24 20258am Thu, Apr 24 20259am Thu, Apr 24 202510am Thu, Apr 24 202511am Thu, Apr 24 202512pm Thu, Apr 24 20251pm Thu, Apr 24 20252pm Thu, Apr 24 20253pm Thu, Apr 24 20254pm Thu, Apr 24 20255pm Thu, Apr 24 20256pm Thu, Apr 24 20257pm Thu, Apr 24 20258pm Thu, Apr 24 20259pm Thu, Apr 24 202510pm Thu, Apr 24 202511pm Thu, Apr 24 202512am Fri, Apr 25 20251am Fri, Apr 25 20252am Fri, Apr 25 20253am Fri, Apr 25 20254am Fri, Apr 25 20255am Fri, Apr 25 20256am Fri, Apr 25 20257am Fri, Apr 25 20258am Fri, Apr 25 20259am Fri, Apr 25 202510am Fri, Apr 25 202511am Fri, Apr 25 202512pm Fri, Apr 25 20251pm Fri, Apr 25 20252pm Fri, Apr 25 20253pm Fri, Apr 25 20254pm Fri, Apr 25 20255pm Fri, Apr 25 20256pm Fri, Apr 25 20257pm Fri, Apr 25 20258pm Fri, Apr 25 20259pm Fri, Apr 25 202510pm Fri, Apr 25 202511pm Fri, Apr 25 202512am Sat, Apr 26 20251am Sat, Apr 26 20252am Sat, Apr 26 20253am Sat, Apr 26 20254am Sat, Apr 26 20255am Sat, Apr 26 20256am Sat, Apr 26 20257am Sat, Apr 26 20258am Sat, Apr 26 20259am Sat, Apr 26 202510am Sat, Apr 26 202511am Sat, Apr 26 202512pm Sat, Apr 26 20251pm Sat, Apr 26 20252pm Sat, Apr 26 20253pm Sat, Apr 26 20254pm Sat, Apr 26 20255pm Sat, Apr 26 20256pm Sat, Apr 26 20257pm Sat, Apr 26 20258pm Sat, Apr 26 20259pm Sat, Apr 26 202510pm Sat, Apr 26 202511pm Sat, Apr 26 202512am Sun, Apr 27 20251am Sun, Apr 27 20252am Sun, Apr 27 20253am Sun, Apr 27 20254am Sun, Apr 27 20255am Sun, Apr 27 20256am Sun, Apr 27 2025

Date	04/22					04/23
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)	45	41	37	35	32	31	30	29	28	27	27	26	28	32	37	43	46	49	51	51	51	52	51	51
Dewpoint (°F)	24	25	24	24	24	24	23	23	22	22	21	21	22	22	22	25	25	25	26	27	27	28	27	28
Wind Chill (°F)	39	36	33	32	32	31	30	29	28	27	27	26	28	32	37	43	46	48
Surface Wind (mph)	10	7	5	3	2	2	2	2	2	2	2	2	2	2	2	2	2	3	5	5	6	6	7	7
Wind Dir	NNW	NNW	N	E	S	S	SSE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	E	ESE	ESE	ESE	ESE	ESE	SE	ESE	ESE
Gust	18
Sky Cover (%)	40	25	8	9	14	28	22	24	27	14	14	14	16	20	16	13	19	36	59	63	58	62	67	75
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	4	5	6	8	11	10	5
Relative Humidity (%)	44	52	60	66	70	74	75	77	79	79	79	81	77	65	55	48	43	39	39	39	39	39	39	42
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date						04/24
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)	49	45	42	40	38	37	36	34	33	32	31	31	33	37	41	44	47	50	51	52	52	52	51	50
Dewpoint (°F)	29	29	28	28	28	28	27	27	26	26	25	26	27	29	30	31	31	31	32	33	33	33	32	31
Wind Chill (°F)	46	41	38	36	34	32	31	29	29	27	26	27	30	34	36	40	44	45						45
Surface Wind (mph)	7	7	6	6	6	6	6	6	5	5	5	3	3	3	7	7	7	13	13	13	15	15	15	14
Wind Dir	ESE	ESE	ESE	ESE	SE	SE	SE	SE	SE	SE	SE	ESE	ESE	ESE	E	E	E	E	E	E	E	E	E	ESE
Gust																		23	23	23	25	25	25	25
Sky Cover (%)	63	68	61	66	50	45	45	45	39	39	39	48	48	48	48	48	48	57	57	57	57	57	57	73
Precipitation Potential (%)	3	2	1	1	1	10	10	10	10	10	10	24	24	24	24	24	24	35	35	35	35	35	35	43
Relative Humidity (%)	46	53	58	62	67	69	71	74	76	79	81	81	77	72	65	58	52	48	47	47	48	47	47	48
Rain	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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