Libby, MT Weather

Lincoln County7:25 AM MDT48.39°N, 115.56°WElevation 2,096 ft

Current conditions

Areas Of Fog
32°
Areas Of Fog
Feels like 32°
High 70°·Low 35°
WindCalm
Humidity97%
Dew point31°
Cloud cover26%
UV index0 Low
Sunrise8:12 AM
Sunset6:43 PM

Observed at LIBBY · 1 hr ago

Forecast

10-day

  • Today

    Areas of fog before 10am. Mostly sunny, with a high near 70. Wind around 0 mph.

  • Tonight

    Partly cloudy, with a low around 35. Wind around 0 mph.

  • Thursday

    Areas of fog between 7am and 10am. Partly sunny, with a high near 69. Wind around 0 mph.

National Weather Service forecast updated 5 hrs ago.

Hourly

Hourly forecast
  1. Now Areas Of Fog 34°
  2. 8 AM Areas Of Fog 33°
  3. 9 AM Areas Of Fog 33°
  4. 10 AM Sunny 38°
  5. 11 AM Sunny 45°
  6. 12 PM Sunny 52°
  7. 1 PM Sunny 59°
  8. 2 PM Sunny 64°
  9. 3 PM Sunny 68°
  10. 4 PM Mostly Sunny 69°
  11. 5 PM Mostly Sunny 68°
  12. 6 PM Partly Cloudy 65°
  13. 7 PM Partly Cloudy 61°
  14. 8 PM Partly Cloudy 54°
  15. 9 PM Partly Cloudy 50°
  16. 10 PM Partly Cloudy 47°
  17. 11 PM Mostly Clear 45°
  18. Thu12 AM Mostly Clear 43°
  19. 1 AM Mostly Clear 41°
  20. 2 AM Mostly Clear 40°
  21. 3 AM Mostly Clear 39°
  22. 4 AM Mostly Clear 38°
  23. 5 AM Mostly Clear 37°
  24. 6 AM Mostly Sunny 36°

10-day forecast

Details
  1. TodayOct 21 Areas Of Fog then Mostly Sunny Areas Of Fog then Mostly Sunny35°70°
  2. ThuOct 22 Areas Of Fog then Partly Sunny Areas Of Fog then Partly Sunny69%40°69°
  3. FriOct 23 Chance Light Rain Chance Light Rain33%26°58°
  4. SatOct 24 Partly Sunny Partly Sunny22%25°55°
  5. SunOct 25 Chance Rain And Snow Chance Rain And Snow27%22°53°
  6. MonOct 26 Slight Chance Light Snow then Partly Sunny Slight Chance Light Snow then Partly Sunny19%24°53°
  7. TueOct 27 Slight Chance Light Snow Slight Chance Light Snow23%24°54°
  8. WedOct 28 Cloudy Cloudy0.19 in31°48°
  9. ThuOct 29 Partly cloudy Partly cloudy29°47°
  10. FriOct 30 Partly cloudy Partly cloudy33°49°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
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Weather news in Montana

More weather news

Air quality

51
Moderate
Fine particles (PM2.5)

Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Libby, MT reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 8:12 AM
Sunset 6:43 PM
Daylight 10 h 31 min (−3 min 22 s tomorrow)
Waxing Gibbous · 77% lit
Moonrise 4:46 PM Moonset 2:54 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low54° / 32°
Record high77° (2023)
Record low18° (1996)
Wettest0.55 in (2016)
Yesterday57° / 32°
Month to date0.00 in (normal 1.07 in)

Libby Dam (base), records since 1986. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Forecasters' discussion

From the National Weather Service office in MSO, issued 3 hrs ago

Discussion

KEY MESSAGES:

- Mild daytime temperatures through Thursday.

- Patchy valley fog around sunrise each morning.

- Significant weather change coming Thursday night into Friday.

Mild day-time temperatures will continue across the Northern Rockies through Thursday as high pressure remains in control. Stable conditions under the ridge are promoting the development of daily valley inversions and trapped cold air, with patchy dense fog. Afternoon temperatures will run around 10 degrees above normal for this time of year.

A significant change remains on track late Thursday into Friday, as a low pressure system and cold front tracks across the region. Colder temperatures and widespread precipitation, focused along and south of the Interstate 90 corridor and along the divide in northwest Montana are the main story. Precipitation amounts have trended higher over the last 48 hours, as model guidance has come into stronger consensus for a mid-level low to track along the divide in southwest Montana by Friday morning. Widespread precipitation will wrap around the west-northwest area of this low pointing towards the highest precipitation amounts (0.75-1.50 inches) along the divide across mountain ranges in southwest Montana. As discussed previously, most of the precipitation will fall as rain ahead of the cold front, limiting the potential for winter weather impacts. Snow levels will fall to around 5,000 feet Friday and lower over the weekend as shower activity begins to decrease. Therefore, forecast snow amounts will be generally under an inch across the region and above 5,000 feet. The exception is across higher peaks along the divide, where several inches of snow may fall above 7,000 feet.

Aviation

High pressure will continue to bring stable conditions. Valley inversions and cold air pools will set the stage for patchy areas of valley fog, particularly near large bodies of water and river systems. The primary period to watch will be from 21/1200-1500Z, including KGPI and KMSO. The probability of dense fog impacts at these terminals is generally less than 10 percent, but can not be ruled out.

Mso Watches

MT...None. ID...None.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.