Point Forecast: Helena MT  46.59N 111.98W (Elev. 1218 m)	Last Update: 2:09 pm MDT May 16, 2024

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Weather Elements Fire Weather Aviation Weather Temperature (°C) Dewpoint (°C) Wind Chill (°C) 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-m) Grassland Fire Danger Index Ceiling Height Visibility

48-Hour Period Starting: 3pm Thu, May 16 20244pm Thu, May 16 20245pm Thu, May 16 20246pm Thu, May 16 20247pm Thu, May 16 20248pm Thu, May 16 20249pm Thu, May 16 202410pm Thu, May 16 202411pm Thu, May 16 202412am Fri, May 17 20241am Fri, May 17 20242am Fri, May 17 20243am Fri, May 17 20244am Fri, May 17 20245am Fri, May 17 20246am Fri, May 17 20247am Fri, May 17 20248am Fri, May 17 20249am Fri, May 17 202410am Fri, May 17 202411am Fri, May 17 202412pm Fri, May 17 20241pm Fri, May 17 20242pm Fri, May 17 20243pm Fri, May 17 20244pm Fri, May 17 20245pm Fri, May 17 20246pm Fri, May 17 20247pm Fri, May 17 20248pm Fri, May 17 20249pm Fri, May 17 202410pm Fri, May 17 202411pm Fri, May 17 202412am Sat, May 18 20241am Sat, May 18 20242am Sat, May 18 20243am Sat, May 18 20244am Sat, May 18 20245am Sat, May 18 20246am Sat, May 18 20247am Sat, May 18 20248am Sat, May 18 20249am Sat, May 18 202410am Sat, May 18 202411am Sat, May 18 202412pm Sat, May 18 20241pm Sat, May 18 20242pm Sat, May 18 20243pm Sat, May 18 20244pm Sat, May 18 20245pm Sat, May 18 20246pm Sat, May 18 20247pm Sat, May 18 20248pm Sat, May 18 20249pm Sat, May 18 202410pm Sat, May 18 202411pm Sat, May 18 202412am Sun, May 19 20241am Sun, May 19 20242am Sun, May 19 20243am Sun, May 19 20244am Sun, May 19 20245am Sun, May 19 20246am Sun, May 19 20247am Sun, May 19 20248am Sun, May 19 20249am Sun, May 19 202410am Sun, May 19 202411am Sun, May 19 202412pm Sun, May 19 20241pm Sun, May 19 20242pm Sun, May 19 20243pm Sun, May 19 20244pm Sun, May 19 20245pm Sun, May 19 20246pm Sun, May 19 20247pm Sun, May 19 20248pm Sun, May 19 20249pm Sun, May 19 202410pm Sun, May 19 202411pm Sun, May 19 202412am Mon, May 20 20241am Mon, May 20 20242am Mon, May 20 20243am Mon, May 20 20244am Mon, May 20 20245am Mon, May 20 20246am Mon, May 20 20247am Mon, May 20 20248am Mon, May 20 20249am Mon, May 20 202410am Mon, May 20 202411am Mon, May 20 202412pm Mon, May 20 20241pm Mon, May 20 20242pm Mon, May 20 20243pm Mon, May 20 20244pm Mon, May 20 20245pm Mon, May 20 20246pm Mon, May 20 20247pm Mon, May 20 20248pm Mon, May 20 20249pm Mon, May 20 202410pm Mon, May 20 202411pm Mon, May 20 202412am Tue, May 21 20241am Tue, May 21 20242am Tue, May 21 2024

Date	05/16									05/17
Hour (MDT)	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14
Temperature (°C)	24	24	24	24	23	22	18	16	15	14	13	13	12	11	11	11	11	12	13	14	14	14	14	16
Dewpoint (°C)	3	3	3	2	2	3	1	1	1	1	1	1	0	-1	0	-1	0	1	1	1	1	0	-1	-1
Wind Chill (°C)
Surface Wind (mph)	22	22	23	23	22	20	17	14	13	10	10	9	8	8	8	8	11	16	20	22	24	25	26	28
Wind Dir	W	W	W	W	W	W	W	WSW	WSW	WSW	WSW	WSW	SW	SW	WSW	WSW	W	W	W	W	W	W	W	W
Gust	39	41	44	43	40	38	34	31										30	37	40	43	45	49	48
Sky Cover (%)	80	74	74	55	26	5	5	3	5	4	5	5	6	10	12	22	35	55	54	57	56	50	51	52
Precipitation Potential (%)	8	7	6	1	0	0	0	0	0	0	0	1	2	5	6	14	19	33	31	36	34	25	27	28
Relative Humidity (%)	26	26	25	23	26	29	33	36	39	40	42	44	44	45	47	47	47	45	41	42	40	37	34	32
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date										05/18
Hour (MDT)	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14
Temperature (°C)	14	13	13	11	11	9	8	8	7	7	6	5	4	4	3	3	5	7	9	11	12	14	16	17
Dewpoint (°C)	-4	-4	-5	-7	-6	-6	-5	-4	-4	-4	-5	-6	-6	-6	-7	-6	-7	-6	-6	-6	-7	-7	-7	-7
Wind Chill (°C)						4	4	3	3	3	2	1	1	-1	-1	0	2	4	6
Surface Wind (mph)	28	29	30	30	28	25	24	22	20	15	15	15	11	11	11	8	8	8	10	10	10	10	10	10
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	SSW	SSW	SSW	WSW	WSW	WSW	W	W	W
Gust	48	52	52	52	49	47	45	43	39	32	32	32
Sky Cover (%)	58	63	63	26	22	21	35	28	25	22	22	22	21	21	21	25	25	25	18	18	18	23	23	23
Precipitation Potential (%)	37	44	45	7	7	7	7	7	7	1	1	1	1	1	1	0	0	0	0	0	0	2	2	2
Relative Humidity (%)	28	29	28	28	30	35	38	42	44	45	46	46	47	48	48	49	44	39	34	30	26	23	20	19
Rain	Chc	Chc	Chc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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