One to three inches of snow fell across the Flathead Valley in Montana on Sunday, October 18, as the state saw it’s first winter weather of the season, according to local media.Video posted by Julia Trice shows fallen snow on the hillside above Flathead Lake. Historical or past weather forecast page provides historical weather forecast from 1 st July, 2008 till now in 3 hourly interval. Thirteen public access points make it easy for you to get on the water from any direction. Please also visit Flathead Lake, Lake Historical Weather, Weather widget and Weather Charts pages. Local conditions may vary. Flathead Lake weather report, historic temperatures and climate info,… Searchable lists of Flathead Lake tourism offices and other helpful government agencies. Visitors on the southern part of the lake need to buy a tribal recreation permit, however, as this half of the water lies on Flathead Reservation boundary. Flathead Lake in northwest Montana is the largest natural freshwater lake west of the Mississippi; slightly larger than Lake Tahoe at 27.3 mi. If you are using this forecast for boating purposes, I’d recommend that you also check Polson, MT. This year, donors have helped to fund urgent monitoring of beach closures during the COVID-19 pandemic, expand our support for volunteer water quality monitoring, and create groundbreaking data sharing resources for scientists. If runoff conditions in the mountains don't warrant flood threats, the lake's level is brought to 2,890 feet by the end of May and to full pool, 2893 feet, by June 15. The Flathead Lake water level value is provided by the US Geological H: 33 L: 23. Temperature and precipitation outlooks for the 6-10 day and 8-14 day periods. 791 miles. wide, and max depth of 370.7 ft.. As one of the cleanest in the world, Flathead Lake is perfect for OPEN WATER SWIMMING! Expect the … Note that surface water temperature sensor readings are only available when the lake is at or near full pool (roughly May - September). Another video by Trice shows her and a friend wrapped up warm as they bravely paddleboarded on the lake during the snowfall.The National … In Flathead County, there are 3 comfortable months with high temperatures in the range of 70-85°. Spend summer vacation at one of the top lakes in the U.S. As one of the largest freshwater lakes on the West Coast and clearest lakes in the U.S., Flathead Lake is an ideal spot for sailing, speed boating, and fishing. For current information and recent updates, please check the Energy Keepers Facebook site at: Temperature. Text weather page will allow you to get a weather text summary for next 14 days and weather chart page displays weather pattern like temperature, wind speed, gust, pressure, etc. For recreational purposes, lake level is typically kept within 1 foot of full pool though Labor Day. Data is read in RDB format. (More Info), The … Air. USGS 12371550 Flathead Lake at Polson MT. At night the average minimum temperature drops down to around -1°C, that's 30°F. Long range weather outlook for Flathead Lake includes 14 day forecast summary: The outlook for Flathead Lake in the two weeks ahead shows the average daytime maximum temperature will be around 2°C, with a high for the two weeks of 5°C expected on the afternoon of Friday 27th. The most pleasant months of the year for Flathead County are July, August and June. Weather Summary. Flathead Weather. Home to hiking trails that provide an excellent view of bald eagles and wild horses, this state park is only accessible by boat. This station managed by the Helena Field Unit. Flathead Lake, MT water temperature, weather and conditions Flathead Lake's water temperature 45° Today's forecast Overcast H:33° L:23° Wind:10-31 mph Flathead Lake . This weather module for Flathead Valley Weather displays data for Bigfork, MT which is located at the NE corner of the lake. No sharks, no jellyfish, and no lane lanes, just clear, clean, and crisp water! Flathead Lake (Salish: člq̓etkʷ) is a large natural lake in northwest Montana and is the largest natural freshwater lake by surface area that is west of the source of the Missouri River in the contiguous United States.. Lake Surface Temperature 44.1 °F at 10:00 PM on 11/21/2020 The Flathead Lake surface water temperature reading is measured at the end of Yellow Bay Point. Click for explanation of … Max Wind Speeds, Air Pressure, Humidity, and Precipitation. The National Weather Service uses FLBS LakeNET data in its Lake Surface Conditions Forecast and predictive issuances of small craft advisories. The Flathead Valley is blessed with moderate Pacific … As one of the measurements in the Flathead Lake environmental data suite, temperature is reported every 15 minutes. The Flathead Lake surface water temperature reading is measured at the end of Yellow Bay Point. Issued daily by the NOAA/NWS Climate Prediction Center. The Flathead Lake surface water temperature reading is measured at the end of Yellow Bay Point. At 35 miles in length, weather down in Polson can sometimes be much different than what’s happening in Bigfork. The climate profile is taken from closest available data source to Flathead Lake. Explore destinations near Flathead Lake. Available data for this site . August is the hottest month for Flathead County with an average high temperature of 79.7°, which ranks it as one of the coolest places in Montana. Data from LakeNET’s environmental sensors has greatly increased understanding of Flathead Lake’s biological and physical processes and is currently being used in concert with our long-term physical and chemical measurements to drive a nutrient-food web model for Flathead Lake.