Weather WorldNelson Reservoir, MT 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Nelson Reservoir, MT Weather Forecast
Nelson Reservoir, MT Weather Forecast Date: 1236 AM MDT Fri Sep 11 2026
The area/counties/county of: Judith Gap, including the city of Judith Gap.or toggle through each period.
Today... Much colder. Slight chance of thunderstorms in the morning. Rain showers likely through the day. Chance of thunderstorms in the afternoon. Highs in the upper 50s. North winds 5 to 15 mph. Chance of precipitation 70%.
Tonight... Rain showers likely in the evening and overnight, then chance of rain showers after 3 am. Patchy fog overnight. Lows in the lower 40s. North winds 5 to 15 mph. Chance of precipitation 60%.
Saturday... Cloudy. A 20% chance of rain showers early in the morning. Patchy fog early in the morning. Highs in the upper 50s. Southeast winds 5 to 15 mph.
Saturday Night... Mostly cloudy with a 20% chance of rain showers. Lows in the upper 30s. Southeast winds 10 to 20 mph.
Sunday... Chance of rain showers in the morning, then rain showers likely in the afternoon. Slight chance of thunderstorms late in the afternoon. Highs in the lower 60s. Southeast winds 15 to 25 mph. Chance of precipitation 60%.
Sunday Night... Slight chance of thunderstorms early in the evening. Rain showers likely in the evening, then slight chance of rain showers overnight. Lows in the upper 30s. Chance of precipitation 70%.
Monday... Mostly sunny. Highs in the upper 50s.
Monday Night... Partly cloudy. Lows in the mid 30s.
Tuesday... Mostly sunny. Highs in the lower 60s.
Tuesday Night... Partly cloudy. Lows around 40.
Wednesday... Mostly sunny. Highs around 60.
Wednesday Night... Mostly clear. Lows in the upper 30s.
POP = Probability of Precipitation
Nelson Reservoir Radar Loop
Use the map search tool if you want to place a location marker on the radar map...