Marine Weather and Tide Forecast for Big Timber, MT
 | Sunrise 7:14 AM Sunset 5:01 PM Moonrise 6:46 AM Moonset 4:12 PM |
Marine Forecasts
NOTE: Zones updated 4/16/2026. Some zones changed. Use Edit if needed.
7 Day Forecast for Marine Location Near Big Timber, MT
NEW! Add second zone forecast
FXUS65 KBYZ 080750 AFDBYZ
Area Forecast Discussion National Weather Service Billings MT 1250 AM MST Sun Nov 8 2026
KEY MESSAGES
- Windy conditions over south-central Montana this morning into this afternoon.
- Gusty crosswinds may impact travel along Interstate 90 from Big Timber to Livingston and Highway 191 from Big Timber through Judith Gap this morning into this afternoon.
- Mostly dry with above to well above normal temperatures over the next 7 days.
DISCUSSION
Through Saturday...
In general, upper ridging over the region will bring mostly dry and warm conditions for the next several days.
A weak shortwave pushing through the Northern Rockies will cause the surface pressure gradients to tighten along the western foothills (IDA-LWT gradient of 12-15mb) and mid level winds to increase (700mb winds to 40 kts) early this morning. This will bring windy conditions from Livingston to Big Timber and Nye this morning into the afternoon hours. A Wind Advisory is in effect for the Livingston and Nye areas into the afternoon, where gusts to 60 mph are possible. Over the rest of the western foothills, gusts of 30 to 45 mph will be common, with breezy conditions extending into central areas. Highs will push into the 60s to lower 70s today, much above normal for this time of year.
Highs will drop behind today's wave into the 50s for most areas on Monday, with another weak wave dropping into the area out of the northwest on Tuesday. That will bring breezy winds to portions of the area (west gusts 20-40 mph) and showers to the mountains and foothills (15-30% chance). Upper ridging then looks to rebound and remain in place through the week bringing warmer and drier conditions. Highs will increase into the upper 50s to 60s most days. Lows will range from the 30s to lower 40s most nights/mornings. STP
AVIATION
Windy conditions are expected over and near the mountains and foothills of south-central Montana this morning and early afternoon, especially at KLVM where localized gap winds are expected to produce peak wind gusts around 50 knots. Where winds remain lighter over south-central Montana (around and west of KBIL) early this morning, some weak low level wind shear is possible until after sunrise when the stronger winds aloft mix down to the surface. Expect winds to gradually decrease through the afternoon and evening today behind a dry cold front passage.
Otherwise, VFR conditions will prevail through the forecast period with passing mid to high clouds. LA
PRELIMINARY POINT TEMP/POPS
Tdy Mon Tue Wed Thu Fri Sat ------------------------------------------------------- BIL 066 041/058 040/062 040/064 042/066 042/064 041/063 0/B 00/B 01/B 00/U 00/U 00/B 00/U LVM 067 035/061 038/058 034/063 035/067 036/063 036/061 0/N 00/E 01/N 00/U 00/U 00/B 00/U HDN 068 036/060 035/062 034/065 033/067 034/065 035/065 0/B 00/B 01/B 00/U 00/U 00/B 00/U MLS 065 037/057 036/060 037/062 036/064 037/063 036/063 0/B 00/B 00/B 00/U 00/U 00/B 00/U 4BQ 068 037/058 036/059 038/063 037/067 038/066 037/065 0/B 00/U 00/B 00/U 00/U 00/U 00/U BHK 067 036/056 032/057 033/059 033/063 035/063 035/065 0/B 00/B 01/B 00/U 00/U 00/U 00/U SHR 070 032/059 032/059 030/065 032/069 034/066 033/065 0/B 00/B 01/B 00/U 00/U 00/U 00/U
BYZ WATCHES/WARNINGS/ADVISORIES
MT...Wind Advisory in effect until 2 PM MST this afternoon FOR ZONES 65-66.
WY...None.
Area Forecast Discussion National Weather Service Billings MT 1250 AM MST Sun Nov 8 2026
KEY MESSAGES
- Windy conditions over south-central Montana this morning into this afternoon.
- Gusty crosswinds may impact travel along Interstate 90 from Big Timber to Livingston and Highway 191 from Big Timber through Judith Gap this morning into this afternoon.
- Mostly dry with above to well above normal temperatures over the next 7 days.
DISCUSSION
Through Saturday...
In general, upper ridging over the region will bring mostly dry and warm conditions for the next several days.
A weak shortwave pushing through the Northern Rockies will cause the surface pressure gradients to tighten along the western foothills (IDA-LWT gradient of 12-15mb) and mid level winds to increase (700mb winds to 40 kts) early this morning. This will bring windy conditions from Livingston to Big Timber and Nye this morning into the afternoon hours. A Wind Advisory is in effect for the Livingston and Nye areas into the afternoon, where gusts to 60 mph are possible. Over the rest of the western foothills, gusts of 30 to 45 mph will be common, with breezy conditions extending into central areas. Highs will push into the 60s to lower 70s today, much above normal for this time of year.
Highs will drop behind today's wave into the 50s for most areas on Monday, with another weak wave dropping into the area out of the northwest on Tuesday. That will bring breezy winds to portions of the area (west gusts 20-40 mph) and showers to the mountains and foothills (15-30% chance). Upper ridging then looks to rebound and remain in place through the week bringing warmer and drier conditions. Highs will increase into the upper 50s to 60s most days. Lows will range from the 30s to lower 40s most nights/mornings. STP
AVIATION
Windy conditions are expected over and near the mountains and foothills of south-central Montana this morning and early afternoon, especially at KLVM where localized gap winds are expected to produce peak wind gusts around 50 knots. Where winds remain lighter over south-central Montana (around and west of KBIL) early this morning, some weak low level wind shear is possible until after sunrise when the stronger winds aloft mix down to the surface. Expect winds to gradually decrease through the afternoon and evening today behind a dry cold front passage.
Otherwise, VFR conditions will prevail through the forecast period with passing mid to high clouds. LA
PRELIMINARY POINT TEMP/POPS
Tdy Mon Tue Wed Thu Fri Sat ------------------------------------------------------- BIL 066 041/058 040/062 040/064 042/066 042/064 041/063 0/B 00/B 01/B 00/U 00/U 00/B 00/U LVM 067 035/061 038/058 034/063 035/067 036/063 036/061 0/N 00/E 01/N 00/U 00/U 00/B 00/U HDN 068 036/060 035/062 034/065 033/067 034/065 035/065 0/B 00/B 01/B 00/U 00/U 00/B 00/U MLS 065 037/057 036/060 037/062 036/064 037/063 036/063 0/B 00/B 00/B 00/U 00/U 00/B 00/U 4BQ 068 037/058 036/059 038/063 037/067 038/066 037/065 0/B 00/U 00/B 00/U 00/U 00/U 00/U BHK 067 036/056 032/057 033/059 033/063 035/063 035/065 0/B 00/B 01/B 00/U 00/U 00/U 00/U SHR 070 032/059 032/059 030/065 032/069 034/066 033/065 0/B 00/B 01/B 00/U 00/U 00/U 00/U
BYZ WATCHES/WARNINGS/ADVISORIES
MT...Wind Advisory in effect until 2 PM MST this afternoon FOR ZONES 65-66.
WY...None.
Link to 5 hour of 5 minute data for KLVM
Terminal Aerodrome Forecast (TAF) for KLVM
Wind History Graph: LVM
(wind in knots)
GEOS Local Image of northern rockey
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