NWS Forecast for Southwestern Yellowstone

National Weather Service Forecast for: Southwestern Yellowstone
Issued by: NWS Billings, MT

Updated: 447 AM MST Mon Dec 22 2025

Today Rain and Snow	Tonight Rain and Snow	Tuesday Mostly Cloudy	Tuesday Night Mostly Cloudy	Wednesday Partly Sunny	Wednesday Night Rain and Snow	Christmas Day Rain and Snow	Thursday Night Partly Cloudy	Friday Chance rain
Hi ≈55°F	Lo ≈35°F	Hi ≈45°F	Lo ≈35°F	Hi ≈55°F	Lo ≈35°F	Hi ≈45°F	Lo ≈30°F	Hi ≈55°F

Special Weather Statement

Today	Mostly cloudy. Warmer. Chance of rain and snow in the morning, then slight chance of rain in the afternoon. Highs in the lower 50s. West winds 5 to 15 mph. Chance of precipitation 40 percent.
Tonight	Mostly cloudy. Slight chance of rain early in the evening, then slight chance of rain and snow late in the evening. Lows in the lower 30s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.
Tuesday	Mostly cloudy. Highs in the upper 40s. West winds 5 to 10 mph in the morning shifting to the south in the afternoon.
Tuesday Night	Mostly cloudy. Lows in the lower 30s. Southwest winds 5 to 10 mph.
Wednesday	Partly sunny. Highs in the mid 50s. Southwest winds 5 to 10 mph.
Wednesday Night	Mostly cloudy. Slight chance of rain showers overnight. Slight chance of rain and snow showers after 3 am. Lows in the mid 30s. Chance of precipitation 20 percent.
Christmas Day	Mostly cloudy with a 40 percent chance of rain and snow showers. Cooler. Highs in the mid 40s.
Thursday Night	Partly cloudy. Lows around 30.
Friday	Partly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the lower 50s.
Friday Night	Partly cloudy. A 20 percent chance of rain and snow showers in the evening. Lows in the mid 20s.
Saturday	Mostly sunny. Highs in the lower 40s.
Saturday Night	Mostly clear. Lows in the upper 20s.
Sunday	Mostly sunny. Highs in the upper 40s.

Forecast from NOAA-NWS for Southwestern Yellowstone. (Zone forecast)