| NWS Forecast for: Fallon County Issued by: National Weather Service Billings, MT Last Update: 202 AM MST Mon Jan 12 2026 |  |
| Today: Mostly sunny. Highs in the mid 50s. West winds 15 to 25 mph. Tonight: Mostly cloudy. Lows in the upper 30s. West winds 15 to 25 mph. Tuesday: Mostly cloudy with a 20 percent chance of rain showers. Highs in the upper 40s. Northwest winds 15 to 25 mph. Tuesday Night: Mostly cloudy. Colder. Lows in the mid 20s. Northwest winds 10 to 20 mph. Wednesday: Decreasing clouds. Highs in the lower 40s. West winds 5 to 15 mph. Wednesday Night: Partly cloudy. Lows in the lower 30s. Thursday: Mostly sunny. Windy. Highs in the lower 40s. Thursday Night: Mostly cloudy. A 20 percent chance of snow showers overnight. Windy, colder. Lows around 16. Friday: Partly sunny. Windy, colder. Highs in the upper 20s. Friday Night: Mostly cloudy. Lows around 13. Saturday: Mostly sunny. Highs in the mid 30s. Saturday Night: Partly cloudy. Lows around 17. Sunday: Mostly sunny. Highs in the upper 30s. | |
| Zone Forecast: Fallon County | |
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