Northwestern Energy - 50-69 kV transmission Fire Weather Dashboard
Last update: 2025-12-17 00:45. Next update: 2025-12-17 06:45.

Previous forecast cycles can be accessed as:
https://nwefireweather.app/nwe_transmission_50_69/YYYYMMDD_CC.html
where CC is 00, 06, 12, or 18

**Northwestern Energy - 50-69 kV Transmission Severe Fire Danger Index Forecast for 12/16/25 - 12/22/25**
Zone	Dec 16	Dec 17	Dec 18	Dec 19	Dec 20	Dec 21	Dec 22
Big Timber City to Livingston Westside - Tier 2	low	low	low	low	low	low	low
Bozeman Sourdough to Livingston Westside - Tier 3	moderate	moderate	moderate	low	low	low	low
Bridger Auto to Red Lodge Northside A-Line - Tier 3	low	low	low	low	low	low	low
Clyde Park to Livingston Westside 1-Line - Tier 3	low	low	moderate	low	low	low	low
Clyde Park to Livingston Westside 2-Line - Tier 3	low	low	low	low	low	low	low
Lewistown Boulevard to Heath - Tier 3	low	low	moderate	low	low	low	low
Line Creek to Red Lodge Northside - Tier 2	low	low	moderate	low	low	low	low
Red Lodge Northside to Bridger Auto B-Line - Tier 2	low	low	low	low	low	low	low
Renova Auto to Whitehall - Tier 2	low	low	moderate	low	low	low	low
Rockvale to Bridger Auto - Tier 2	low	low	moderate	low	low	low	low
Roundup Auto to Melstone - Tier 2	low	low	moderate	low	low	low	low
Anaconda to Silver Bow - Tier 3	low	low	low	low	low	low	low
Big Sky Meadow Village to Big Sky Midway - Tier 3	low	low	low	low	low	low	low
Big Sky Midway to Big Sky Lone Mountain - Tier 3	low	low	low	low	low	low	low
Boulder Auto to Boulder - Tier 2	low	low	low	low	low	low	low
Butte Montana Street to Divide - Tier 2	low	low	low	low	low	low	low
East Helena to Ash Grove Cement - Tier 2	low	low	moderate	low	low	low	low
East Helena to Hauser - Tier 2	low	low	moderate	low	low	low	low
Emigrant to Gardiner 1-Line - Tier 2	low	low	moderate	low	low	low	low
Emigrant to Gardiner 2-Line - Tier 2	low	low	low	low	low	low	low
Emigrant to Livingston Westside - Tier 3	low	low	low	low	low	low	low
Ennis Auto to Ennis City - Tier 3	low	low	low	low	low	low	low
Ennis City to Madison Valley - Tier 2	low	low	low	low	low	low	low
Gardiner to Mammoth - Tier 2	low	low	low	low	low	low	low
Hamilton City to Darby A-Line - Tier 2	low	low	low	low	low	low	low
Hamilton Heights to Hamilton City - Tier 2	low	low	low	low	low	low	low
Hamilton Heights to Hamilton South Side - Tier 2	low	low	low	low	low	low	low
Hauser Hydro to Hauser - Tier 3	low	low	low	low	low	low	low
Missoula Miller Creek to Stevensville B-Line - Tier 2	moderate	moderate	moderate	moderate	moderate	low	low
Roundup Auto to Sumatra - Tier 2	low	moderate	moderate	low	low	low	low
Sheridan Auto to Virginia City - Tier 2	low	low	low	low	low	low	low
Sheridan City to Sheridan Auto - Tier 2	low	low	low	low	low	low	low
South Huntley to Johnson Lane - Tier 2	low	low	low	low	low	low	low
Stevensville to Hamilton Heights B-Line - Tier 2	low	low	low	low	low	low	low

**Northwestern Energy - 50-69 kV Transmission Percent of CRI Threshold Forecast for 12/16/25 - 12/22/25**
Zone	Dec 16	Dec 17	Dec 18	Dec 19	Dec 20	Dec 21	Dec 22
Big Timber City to Livingston Westside - Tier 2	1	63	16	21	16	5	2
Bozeman Sourdough to Livingston Westside - Tier 3	5	59	19	31	10	4	1
Bridger Auto to Red Lodge Northside A-Line - Tier 3	5	80	19	19	12	3	5
Clyde Park to Livingston Westside 1-Line - Tier 3	2	48	25	27	1	2	1
Clyde Park to Livingston Westside 2-Line - Tier 3	7	47	15	27	7	0	0
Lewistown Boulevard to Heath - Tier 3	5	71	58	47	1	7	4
Line Creek to Red Lodge Northside - Tier 2	1	51	27	19	1	2	0
Red Lodge Northside to Bridger Auto B-Line - Tier 2	8	39	40	46	2	1	1
Renova Auto to Whitehall - Tier 2	9	67	27	26	12	0	1
Rockvale to Bridger Auto - Tier 2	5	50	11	18	7	0	0
Roundup Auto to Melstone - Tier 2	4	43	10	15	6	0	0
Anaconda to Silver Bow - Tier 3	0	74	24	25	15	5	2
Big Sky Meadow Village to Big Sky Midway - Tier 3	4	77	10	12	8	1	0
Big Sky Midway to Big Sky Lone Mountain - Tier 3	7	26	7	0	4	1	0
Boulder Auto to Boulder - Tier 2	9	28	8	6	3	1	2
Butte Montana Street to Divide - Tier 2	7	3	5	0	2	0	0
East Helena to Ash Grove Cement - Tier 2	15	27	9	13	8	2	1
East Helena to Hauser - Tier 2	3	27	3	21	3	0	1
Emigrant to Gardiner 1-Line - Tier 2	3	29	3	30	2	0	0
Emigrant to Gardiner 2-Line - Tier 2	15	41	22	29	10	6	5
Emigrant to Livingston Westside - Tier 3	22	51	31	38	11	7	6
Ennis Auto to Ennis City - Tier 3	3	23	5	7	2	1	2
Ennis City to Madison Valley - Tier 2	0	61	14	45	29	2	1
Gardiner to Mammoth - Tier 2	2	60	6	4	8	1	1
Hamilton City to Darby A-Line - Tier 2	3	25	5	3	7	1	1
Hamilton Heights to Hamilton City - Tier 2	2	44	8	2	10	2	1
Hamilton Heights to Hamilton South Side - Tier 2	4	27	7	4	5	1	0
Hauser Hydro to Hauser - Tier 3	8	26	8	0	4	1	0
Missoula Miller Creek to Stevensville B-Line - Tier 2	10	45	20	21	4	3	2
Roundup Auto to Sumatra - Tier 2	13	33	27	22	3	3	3
Sheridan Auto to Virginia City - Tier 2	33	140	73	84	15	18	17
Sheridan City to Sheridan Auto - Tier 2	15	42	6	19	11	4	5
South Huntley to Johnson Lane - Tier 2	10	24	4	20	9	3	4
Stevensville to Hamilton Heights B-Line - Tier 2	29	77	15	12	9	2	2

**Northwestern Energy - 50-69 kV Transmission Energy Release Component Percentile Forecast for 12/16/25 - 12/22/25**
Zone	Dec 16	Dec 17	Dec 18	Dec 19	Dec 20	Dec 21	Dec 22
Big Timber City to Livingston Westside - Tier 2	0	0	0	0	0	1	1
Bozeman Sourdough to Livingston Westside - Tier 3	5	6	5	5	3	5	7
Bridger Auto to Red Lodge Northside A-Line - Tier 3	0	0	0	0	0	0	0
Clyde Park to Livingston Westside 1-Line - Tier 3	1	2	2	4	5	3	5
Clyde Park to Livingston Westside 2-Line - Tier 3	0	0	0	0	0	0	0
Lewistown Boulevard to Heath - Tier 3	0	0	0	0	1	0	1
Line Creek to Red Lodge Northside - Tier 2	0	0	1	2	1	1	2
Red Lodge Northside to Bridger Auto B-Line - Tier 2	0	0	0	0	0	0	1
Renova Auto to Whitehall - Tier 2	0	0	0	1	0	0	1
Rockvale to Bridger Auto - Tier 2	0	0	0	0	0	0	0
Roundup Auto to Melstone - Tier 2	0	0	0	0	0	0	0
Anaconda to Silver Bow - Tier 3	0	0	0	0	0	1	1
Big Sky Meadow Village to Big Sky Midway - Tier 3	0	0	0	0	0	0	0
Big Sky Midway to Big Sky Lone Mountain - Tier 3	0	0	0	0	0	0	0
Boulder Auto to Boulder - Tier 2	0	0	0	0	0	0	0
Butte Montana Street to Divide - Tier 2	0	0	0	0	0	0	0
East Helena to Ash Grove Cement - Tier 2	2	2	2	2	0	1	3
East Helena to Hauser - Tier 2	0	0	0	0	0	0	0
Emigrant to Gardiner 1-Line - Tier 2	0	0	0	0	0	0	0
Emigrant to Gardiner 2-Line - Tier 2	0	0	0	0	0	0	0
Emigrant to Livingston Westside - Tier 3	0	0	0	0	0	0	0
Ennis Auto to Ennis City - Tier 3	0	0	0	0	0	0	0
Ennis City to Madison Valley - Tier 2	0	0	0	0	0	0	0
Gardiner to Mammoth - Tier 2	0	0	0	0	0	0	0
Hamilton City to Darby A-Line - Tier 2	0	0	0	0	0	0	0
Hamilton Heights to Hamilton City - Tier 2	0	0	0	0	0	0	0
Hamilton Heights to Hamilton South Side - Tier 2	0	0	0	0	0	0	0
Hauser Hydro to Hauser - Tier 3	0	0	0	0	0	0	0
Missoula Miller Creek to Stevensville B-Line - Tier 2	0	0	0	0	0	0	0
Roundup Auto to Sumatra - Tier 2	0	0	0	0	0	0	0
Sheridan Auto to Virginia City - Tier 2	0	0	0	0	0	0	0
Sheridan City to Sheridan Auto - Tier 2	0	0	0	0	0	0	0
South Huntley to Johnson Lane - Tier 2	0	0	0	0	0	0	0
Stevensville to Hamilton Heights B-Line - Tier 2	0	0	0	0	0	0	0

**Northwestern Energy - 50-69 kV Transmission Max Wind Gust Forecast for 12/16/25 - 12/22/25**
Zone	Dec 16	Dec 17	Dec 18	Dec 19	Dec 20	Dec 21	Dec 22
Big Timber City to Livingston Westside - Tier 2	24	61	51	51	31	25	24
Bozeman Sourdough to Livingston Westside - Tier 3	29	58	38	48	31	18	20
Bridger Auto to Red Lodge Northside A-Line - Tier 3	30	64	52	56	32	22	33
Clyde Park to Livingston Westside 1-Line - Tier 3	17	59	54	37	25	20	21
Clyde Park to Livingston Westside 2-Line - Tier 3	34	61	40	47	29	20	26
Lewistown Boulevard to Heath - Tier 3	24	58	53	47	23	32	32
Line Creek to Red Lodge Northside - Tier 2	16	59	54	36	25	19	20
Red Lodge Northside to Bridger Auto B-Line - Tier 2	38	64	53	61	21	23	21
Renova Auto to Whitehall - Tier 2	32	63	47	47	31	19	27
Rockvale to Bridger Auto - Tier 2	34	59	43	47	28	18	23
Roundup Auto to Melstone - Tier 2	34	59	43	47	28	18	23
Anaconda to Silver Bow - Tier 3	23	61	51	49	29	25	20
Big Sky Meadow Village to Big Sky Midway - Tier 3	32	70	39	46	26	12	18
Big Sky Midway to Big Sky Lone Mountain - Tier 3	25	59	30	34	22	22	24
Boulder Auto to Boulder - Tier 2	26	58	35	35	20	24	24
Butte Montana Street to Divide - Tier 2	34	63	31	36	20	22	23
East Helena to Ash Grove Cement - Tier 2	37	60	32	43	27	21	23
East Helena to Hauser - Tier 2	25	54	34	51	21	19	26
Emigrant to Gardiner 1-Line - Tier 2	24	55	29	47	19	17	27
Emigrant to Gardiner 2-Line - Tier 2	25	49	34	41	25	31	28
Emigrant to Livingston Westside - Tier 3	26	49	35	40	25	31	28
Ennis Auto to Ennis City - Tier 3	26	52	39	45	26	26	32
Ennis City to Madison Valley - Tier 2	18	61	49	43	33	17	13
Gardiner to Mammoth - Tier 2	31	66	39	46	28	11	16
Hamilton City to Darby A-Line - Tier 2	37	62	39	41	25	15	23
Hamilton Heights to Hamilton City - Tier 2	31	61	38	50	29	16	15
Hamilton Heights to Hamilton South Side - Tier 2	20	54	29	35	21	17	16
Hauser Hydro to Hauser - Tier 3	25	56	30	32	22	20	21
Missoula Miller Creek to Stevensville B-Line - Tier 2	34	57	39	50	24	26	27
Roundup Auto to Sumatra - Tier 2	33	52	40	48	24	28	28
Sheridan Auto to Virginia City - Tier 2	29	55	38	44	22	33	32
Sheridan City to Sheridan Auto - Tier 2	29	56	33	47	32	25	35
South Huntley to Johnson Lane - Tier 2	31	57	35	48	35	24	36
Stevensville to Hamilton Heights B-Line - Tier 2	37	55	31	44	23	18	19