| NWS Forecast for: Fallon County Issued by: National Weather Service Billings, MT Last Update: 350 PM MDT Wed Jun 17 2026 | |
| Tonight: Partly cloudy. A 20 percent chance of showers and thunderstorms early in the evening. Lows in the lower 40s. Northwest winds 5 to 15 mph. Thursday: Increasing clouds. Slight chance of rain showers early in the afternoon. Chance of rain showers and slight chance of thunderstorms late in the afternoon. Highs in the lower 70s. West winds 5 to 15 mph. Chance of precipitation 30 percent. Thursday Night: Mostly cloudy. A 20 percent chance of showers and thunderstorms early in the evening. Lows in the lower 40s. West winds 5 to 15 mph. Juneteenth: Sunny. Highs in the lower 70s. Northwest winds 5 to 15 mph. Friday Night: Partly cloudy. Lows in the mid 40s. East winds 5 to 15 mph. Saturday: Mostly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Saturday Night: Chance of showers and thunderstorms in the evening, then rain showers likely and chance of thunderstorms overnight. Lows in the upper 40s. Chance of precipitation 70 percent. Sunday: Rain showers likely and slight chance of thunderstorms in the morning, then partly sunny with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 70 percent. Sunday Night: Mostly cloudy. Slight chance of showers and thunderstorms in the evening, then slight chance of rain showers overnight. Lows in the mid 40s. Chance of precipitation 20 percent. Monday: Partly sunny with a 40 percent chance of rain showers. Highs in the upper 60s. Monday Night: Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows in the mid 40s. Tuesday: Sunny. Highs in the mid 70s. Tuesday Night: Mostly clear. Lows in the mid 40s. Wednesday: Mostly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. | |
| Zone Forecast: Fallon County | |
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