Point Forecast: Helena MT  46.59N 111.98W (Elev. 1218 m)	Last Update: 8:58 am MDT Jul 3, 2025

[hide menu]

Weather Elements Fire Weather Aviation Weather Temperature (°C) Dewpoint (°C) Heat Index (°C) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Mixing Height  x100ftx100m Trans. Wind  ktmphkm/hm/s Vent Rate (x1000 mph-m) Grassland Fire Danger Index Ceiling Height Visibility

48-Hour Period Starting: 10am Thu, Jul 3 202511am Thu, Jul 3 202512pm Thu, Jul 3 20251pm Thu, Jul 3 20252pm Thu, Jul 3 20253pm Thu, Jul 3 20254pm Thu, Jul 3 20255pm Thu, Jul 3 20256pm Thu, Jul 3 20257pm Thu, Jul 3 20258pm Thu, Jul 3 20259pm Thu, Jul 3 202510pm Thu, Jul 3 202511pm Thu, Jul 3 202512am Fri, Jul 4 20251am Fri, Jul 4 20252am Fri, Jul 4 20253am Fri, Jul 4 20254am Fri, Jul 4 20255am Fri, Jul 4 20256am Fri, Jul 4 20257am Fri, Jul 4 20258am Fri, Jul 4 20259am Fri, Jul 4 202510am Fri, Jul 4 202511am Fri, Jul 4 202512pm Fri, Jul 4 20251pm Fri, Jul 4 20252pm Fri, Jul 4 20253pm Fri, Jul 4 20254pm Fri, Jul 4 20255pm Fri, Jul 4 20256pm Fri, Jul 4 20257pm Fri, Jul 4 20258pm Fri, Jul 4 20259pm Fri, Jul 4 202510pm Fri, Jul 4 202511pm Fri, Jul 4 202512am Sat, Jul 5 20251am Sat, Jul 5 20252am Sat, Jul 5 20253am Sat, Jul 5 20254am Sat, Jul 5 20255am Sat, Jul 5 20256am Sat, Jul 5 20257am Sat, Jul 5 20258am Sat, Jul 5 20259am Sat, Jul 5 202510am Sat, Jul 5 202511am Sat, Jul 5 202512pm Sat, Jul 5 20251pm Sat, Jul 5 20252pm Sat, Jul 5 20253pm Sat, Jul 5 20254pm Sat, Jul 5 20255pm Sat, Jul 5 20256pm Sat, Jul 5 20257pm Sat, Jul 5 20258pm Sat, Jul 5 20259pm Sat, Jul 5 202510pm Sat, Jul 5 202511pm Sat, Jul 5 202512am Sun, Jul 6 20251am Sun, Jul 6 20252am Sun, Jul 6 20253am Sun, Jul 6 20254am Sun, Jul 6 20255am Sun, Jul 6 20256am Sun, Jul 6 20257am Sun, Jul 6 20258am Sun, Jul 6 20259am Sun, Jul 6 202510am Sun, Jul 6 202511am Sun, Jul 6 202512pm Sun, Jul 6 20251pm Sun, Jul 6 20252pm Sun, Jul 6 20253pm Sun, Jul 6 20254pm Sun, Jul 6 20255pm Sun, Jul 6 20256pm Sun, Jul 6 20257pm Sun, Jul 6 20258pm Sun, Jul 6 20259pm Sun, Jul 6 202510pm Sun, Jul 6 202511pm Sun, Jul 6 202512am Mon, Jul 7 20251am Mon, Jul 7 20252am Mon, Jul 7 20253am Mon, Jul 7 20254am Mon, Jul 7 20255am Mon, Jul 7 20256am Mon, Jul 7 20257am Mon, Jul 7 20258am Mon, Jul 7 20259am Mon, Jul 7 202510am Mon, Jul 7 202511am Mon, Jul 7 202512pm Mon, Jul 7 20251pm Mon, Jul 7 20252pm Mon, Jul 7 20253pm Mon, Jul 7 20254pm Mon, Jul 7 20255pm Mon, Jul 7 20256pm Mon, Jul 7 20257pm Mon, Jul 7 20258pm Mon, Jul 7 20259pm Mon, Jul 7 2025

Date	07/03														07/04
Hour (MDT)	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09
Temperature (°C)	23	25	27	27	28	29	29	31	29	29	28	24	22	21	19	19	18	16	15	15	14	15	16	17
Dewpoint (°C)	10	11	10	9	10	8	8	8	8	8	9	8	8	9	8	8	8	6	6	6	5	7	7	8
Heat Index (°C)		25	26	27	28	28	28	29	28	28	27	24
Surface Wind (mph)	3	5	6	7	8	9	9	9	9	8	7	7	6	6	5	3	3	2	2	2	2	2	2	3
Wind Dir	NNW	N	NNE	NNE	N	W	WNW	N	WSW	WSW	SW	S	SSW	WSW	WSW	WSW	W	W	W	W	W	WNW	NW	N
Gust
Sky Cover (%)	42	50	50	56	55	56	40	34	63	73	77	86	84	62	51	45	32	23	26	44	35	51	34	32
Precipitation Potential (%)	11	10	25	34	33	16	12	14	14	16	11	4	3	2	2	2	1	1	2	3	15	15	15	15
Relative Humidity (%)	44	39	36	34	32	27	27	25	25	28	31	35	43	47	48	49	52	52	53	54	54	57	56	53
Rain	--	--	Chc	Chc	Chc	SChc	--	--	--	SChc	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc
Thunder	--	--	--	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date															07/05
Hour (MDT)	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09
Temperature (°C)	19	21	22	22	21	21	20	19	18	18	17	17	17	16	14	13	13	12	11	11	11	11	12	14
Dewpoint (°C)	9	9	8	9	9	11	12	12	11	11	11	11	11	11	10	9	9	9	9	8	8	9	9	10
Heat Index (°C)
Surface Wind (mph)	5	6	7	7	7	8	8	8	8	8	8	6	6	6	3	3	3	2	2	2	2	2	2	3
Wind Dir	N	N	N	N	N	N	N	N	WNW	WNW	WNW	WNW	WNW	WNW	W	W	W	W	W	W	W	W	W	WNW
Gust
Sky Cover (%)	37	58	83	83	83	86	86	86	80	80	80	80	80	80	52	52	52	51	51	51	62	62	62	62
Precipitation Potential (%)	15	15	74	74	74	74	74	74	70	70	70	70	70	70	27	27	27	27	27	27	43	43	43	43
Relative Humidity (%)	50	45	42	44	48	54	58	62	65	66	66	67	69	72	75	78	81	84	86	87	87	85	82	77
Rain	SChc	SChc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Thunder	--	--	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--	--	--	--	--	--	--	--	--

English Units Forecast Discussion 7-Day Forecast Hourly Weather Graph