| NWS Forecast for: Northern Sweet Grass Issued by: National Weather Service Billings, MT Last Update: 1239 PM MDT Fri Aug 28 2026 | |
| Rest Of Today: Cloudy. Chance of showers and slight chance of thunderstorms early in the afternoon. Highs in the upper 70s. South winds 5 to 10 mph. Chance of precipitation 50 percent. Tonight: Mostly cloudy. Chance of rain showers and slight chance of thunderstorms early in the evening, then chance of rain showers late in the evening. Lows in the upper 50s. Southwest winds 5 to 10 mph. Chance of precipitation 30 percent. Saturday: Decreasing clouds. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Highs in the upper 70s. West winds 5 to 10 mph. Chance of precipitation 40 percent. Saturday Night: Mostly cloudy. Chance of thunderstorms in the evening. Chance of rain showers through the night. Lows in the lower 50s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent. Sunday: Partly sunny. Windy in the afternoon. Chance of rain showers in the morning, then slight chance of thunderstorms early in the afternoon. Slight chance of rain showers in the afternoon. Highs in the lower 70s. West winds 5 to 15 mph in the morning increasing to 15 to 30 mph in the afternoon. Chance of precipitation 50 percent. Sunday Night: Mostly clear. Lows in the mid 40s. Monday: Sunny. Highs in the upper 70s. 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: Mostly sunny. Highs in the lower 80s. Wednesday Night: Partly cloudy. Lows around 50. Thursday: Mostly sunny. Highs in the upper 70s. Thursday Night: Mostly cloudy. A 20 percent chance of rain showers overnight. Lows in the upper 40s. Friday: Mostly sunny. A 30 percent chance of rain showers in the afternoon. Highs in the mid 70s. | |
| Zone Forecast: Northern Sweet Grass | |
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