| NWS Forecast for: Fallon County Issued by: National Weather Service Billings, MT Last Update: 120 AM MDT Fri May 15 2026 |  |
| Today: Sunny. Highs around 70. West winds 15 to 25 mph. Gusts up to 40 mph in the afternoon. Tonight: Partly cloudy. Lows in the upper 30s. West winds 10 to 20 mph in the evening becoming light overnight. Saturday: Partly sunny. Highs in the mid 70s. Southeast winds 5 to 15 mph. Saturday Night: Cloudy. Chance of rain showers through the night. Slight chance of thunderstorms overnight. Lows in the lower 40s. East winds 15 to 25 mph. Chance of precipitation 50 percent. Sunday: Mostly cloudy with a 50 percent chance of rain showers. Cooler. Highs in the upper 50s. Northwest winds 15 to 25 mph. Sunday Night: Cloudy. Chance of rain showers in the evening and overnight, then chance of rain and snow showers after 3 am. Colder. Lows in the lower 30s. Chance of precipitation 50 percent. Monday: Colder. Rain and snow showers likely in the morning, then rain showers and slight chance of snow showers in the afternoon. Highs in the lower 40s. Chance of precipitation 80 percent. Monday Night: Rain showers likely in the evening, then chance of rain and snow showers overnight. Lows in the upper 20s. Chance of precipitation 70 percent. Tuesday: Partly sunny. Chance of snow showers early in the morning. Chance of rain showers in the morning, then slight chance of rain showers in the afternoon. Highs in the lower 50s. Chance of precipitation 40 percent. Tuesday Night: Mostly cloudy. Lows around 30. Wednesday: Mostly sunny. Warmer. Highs in the mid 60s. Wednesday Night: Partly cloudy. Lows in the upper 30s. Thursday: Mostly sunny. Highs in the lower 70s. | |
| Zone Forecast: Fallon County | |
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