| NWS Forecast for: Northern Sweet Grass Issued by: National Weather Service Billings, MT Last Update: 851 PM MDT Fri Oct 3 2025 | |
| Rest Of Tonight: Mostly cloudy. Chance of rain showers and slight chance of thunderstorms early in the evening, then chance of rain showers overnight. Lows in the upper 40s. Northwest winds 5 to 10 mph. Chance of precipitation 40 percent. Saturday: Rain likely early in the morning, then rain in the late morning and afternoon. Much colder. Highs in the mid 50s. North winds 5 to 15 mph. Chance of precipitation 100 percent. Saturday Night: Rain, colder. Lows in the upper 30s. West winds 5 to 10 mph. Chance of precipitation 90 percent. Sunday: Rain in the morning, then rain likely in the afternoon. Highs in the mid 40s. North winds 5 to 15 mph. Chance of precipitation 80 percent. Sunday Night: Mostly cloudy. Chance of rain early in the evening, then chance of rain and snow late in the evening. Lows in the upper 20s. North winds 5 to 10 mph. Chance of precipitation 30 percent. Monday: Sunny, warmer. Highs in the upper 50s. Monday Night: Mostly clear. Lows around 30. Tuesday: Sunny. Highs in the lower 60s. Tuesday Night: Mostly clear. Lows in the upper 30s. Wednesday: Sunny. Highs in the upper 60s. Wednesday Night: Mostly clear. Lows around 40. Thursday: Sunny. Highs in the upper 60s. Thursday Night: Mostly clear. Lows in the upper 30s. Friday: Sunny with a 20 percent chance of rain showers. Highs in the mid 60s. | |
| Zone Forecast: Northern Sweet Grass | |
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