Get AccuWeather alerts as they happen with our browser notifications. 38 ° 19 ° 30. *affiliate links: find out how we are funded and why this helps us remain free to use. A major winter storm will continue to impact much of the Mid-Atlantic and Northeast U.S. before gradually diminishing Thursday afternoon and evening. 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Past Weather in Missoula, Montana, USA — September 2017 Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 26 °F. Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers. — Trooper Amanda Villa (@TrooperAVilla) September 28, 2019 The snowfall totals were staggering for any time of year: 40 inches in Browning since Friday, and … This is generally standard throughout the entire state, too. Based on weather reports collected during 1985–2015. Daily low temperatures decrease by 9°F , from 48°F to 39°F , rarely falling below 30°F or exceeding 55°F . NWS Missoula September 2019 Winter Weather Briefing NWSMissoula. Temperatures in the 90s Fahrenheit are mainly confined to July and August, with a day or two in June and September. The National Weather Service in Missoula reports that the overnight snowfall has broken the all-time September snowfall record. September snow in several states, severe weather across the country Sept. 29, 2019 01:27 Sept. 29, 2019, 10:00 PM UTC / Updated Sept. 30, 2019, 12:54 AM UTC 36 ° 19 ° 1. 6:26 am MST sun mon tue wed thu fri sat. Get the monthly weather forecast for Missoula, MT, including daily high/low, historical averages, to help you plan ahead. Submitted by Sara Dunford on September 12, 2020 - 8:05pm. Missoula, Montana - Travel and vacation weather averages, current conditions and forecasts. Days of Hot Weather in Missoula. July is the hottest month for Missoula with an average high temperature of 84.6°, which ranks it as about average compared to other places in Montana. The best window for great fall fly fishing in Missoula is the last half of September to the 2-3rd week in October. Missoula Weather Forecasts. Glendive saw 8.32 inches this month, beating its … Montana mornings are cool and crisp in September but warm quickly as the sun comes up over the mountains and warms the valley floor. Yet, despite the sunshine, temperatures are generally not too hot except during periods of heat waves. NOAA National Weather Service Missoula, MT. Missoula City-County Health Department -quality">Air Quality Specialist Sarah Coefield offers this advice to western Montanans. Below are average maximum temperatures at popular destinations in Montana in September. 35 ° 19 ° 3. Generally, from July through September (summer in Montana), it tends to be generally dry throughout Montana, with sunshine the norm, with only a few days of clouds and light rain. Daytime temperatures usually reach 21°C in Missoula in September, falling to 4°C at night. Things to Do in Missoula, Montana: See Tripadvisor's 3,991 traveler reviews and photos of Missoula tourist attractions. View all Avis offers, Metric (°C / mm)  |  Imperial (°F / inches). Missoula rafting in September is wonderful. In Missoula, there are 4 comfortable months with high temperatures in the range of 70-85°. 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