Weather WorldFairmont, MT 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Fairmont, MT Weather Forecast
Fairmont, MT Weather Forecast Date: 206 PM MDT Thu Sep 17 2026
The area/counties/county of: Butte/Blackfoot Region, including the cities of: Anaconda, Deer Lodge, and Drummond.or toggle through each period.
Tonight... Mostly cloudy with a chance of showers and thunderstorms early in the evening, then mostly cloudy with a chance of rain showers late in the evening. Partly cloudy after midnight. Patchy fog after midnight. Chance of precipitation 50%. Lows in the 40s. South winds to 15 mph in the evening.
Friday... Mostly cloudy with a chance of rain showers. Areas of fog in the morning. Chance of thunderstorms in the afternoon. Chance of precipitation 50%. Highs in the 60s to lower 70s. North winds to 15 mph.
Friday Night... Rain showers likely and a chance of thunderstorms. Areas of fog after midnight. Chance of precipitation near 100%. Lows in the 40s.
Saturday... Rain showers likely in the morning, then rain showers likely and a slight chance of thunderstorms in the afternoon. Areas of fog in the morning. Chance of precipitation near 100%. Highs in the mid 50s to lower 60s.
Saturday Night... Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Areas of fog after midnight. Chance of precipitation 50%. Lows in the upper 30s to mid 40s.
Sunday... Mostly sunny. Areas of fog in the morning. Highs in the mid 60s to lower 70s.
Sunday Night... Mostly clear. Lows in the upper 30s to mid 40s.
Monday... Sunny. Highs in the upper 60s to mid 70s.
Monday Night... Mostly clear. Lows in the 40s.
Tuesday... Partly cloudy. A 20% chance of rain in the afternoon. Highs in the mid 60s to lower 70s.
Tuesday Night... Mostly clear. A 20% chance of rain in the evening. Lows in the upper 30s to mid 40s.
Wednesday... Mostly sunny. Highs in the mid 60s to lower 70s.
Wednesday Night... Partly cloudy. Lows in the upper 30s to mid 40s.
POP = Probability of Precipitation
Fairmont Radar Loop
Use the map search tool if you want to place a location marker on the radar map...