| NWS Forecast for: Fallon County Issued by: National Weather Service Billings, MT Last Update: 812 AM MDT Fri Mar 20 2026 | |
| Rest Of Today: Sunny. Highs in the mid 70s. West winds 10 to 20 mph. Tonight: Mostly clear. Lows in the mid 40s. West winds 5 to 15 mph. Saturday: Mostly sunny. Highs in the upper 60s. Northwest winds 10 to 20 mph. Saturday Night: Mostly cloudy. Colder. Chance of rain showers in the evening, then slight chance of rain showers overnight. Slight chance of snow showers after 3 am. Lows in the lower 30s. North winds 10 to 20 mph. Chance of precipitation 30 percent. Sunday: Decreasing clouds. Cooler. Highs around 50. Northwest winds 5 to 15 mph. Sunday Night: Partly cloudy. Lows in the upper 20s. Monday: Partly sunny. Highs in the mid 50s. Monday Night: Mostly cloudy. Lows in the upper 20s. Tuesday: Partly sunny. Highs in the upper 50s. Tuesday Night: Mostly cloudy. Lows in the upper 30s. Wednesday: Mostly sunny. Highs in the mid 60s. Wednesday Night: Partly cloudy. Slight chance of rain showers in the evening, then slight chance of rain and snow showers overnight. Lows in the upper 20s. Chance of precipitation 20 percent. Thursday: Mostly sunny. Slight chance of rain and snow showers early in the morning, then slight chance of snow showers late in the morning. Cooler. Highs in the mid 40s. Chance of precipitation 20 percent. | |
| Zone Forecast: Fallon County | |
Visit your local NWS office at: https://www.weather.gov/byz |