| NWS Forecast for: Northern Sweet Grass Issued by: National Weather Service Billings, MT Last Update: 505 PM MDT Thu Aug 27 2026 |  |
Tonight: Mostly cloudy. Chance of showers and slight chance of thunderstorms early in the evening, then chance of showers late in the evening. Lows in the upper 50s. West winds 5 to 10 mph. Chance of precipitation 50 percent. Friday: Mostly cloudy. Slight chance of rain showers late in the morning. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent. Friday Night: Mostly cloudy. Chance of rain showers early in the evening, then slight chance of rain showers late in the evening. Chance of rain showers overnight. Lows in the upper 50s. Southwest winds 5 to 10 mph. Chance of precipitation 40 percent. Saturday: Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs in the upper 70s. West winds 5 to 15 mph. Chance of precipitation 60 percent. Saturday Night: Slight chance of thunderstorms early in the evening. Rain showers likely in the evening, then chance of rain showers overnight. Lows in the lower 50s. West winds 5 to 10 mph. Chance of precipitation 60 percent. Sunday: Partly sunny. Chance of rain showers in the morning, then chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 50 percent. Sunday Night: Mostly clear. Lows in the mid 40s. Monday: Sunny. Highs around 80. Monday Night: Mostly clear. Lows around 50. Tuesday: Sunny. Highs in the lower 80s. Tuesday Night: Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the lower 50s. Wednesday: Sunny. Highs in the lower 80s. Wednesday Night: Partly cloudy. Lows around 50. Thursday: Mostly sunny. Highs in the upper 70s. | |
| Zone Forecast: Northern Sweet Grass | |
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