| NWS Forecast for: Petroleum County Issued by: National Weather Service Glasgow, MT Last Update: 416 AM MST Tue Feb 24 2026 |  |
| Today: Cloudy. A slight chance of rain, freezing rain and snow this morning. Highs in the mid 40s. Northwest wind 10 to 15 mph. Chance of precipitation 20 percent. Tonight: A chance of snow in the evening, then snow likely with a chance of freezing rain after midnight. Little or no snow accumulation. Ice accumulation around a trace. Lows in the upper 20s. Southwest wind around 5 mph. Chance of precipitation 60 percent. Wednesday: Mostly sunny. A slight chance of freezing rain and snow in the morning. Breezy with highs around 50. West wind 5 to 10 mph, increasing to 20 to 25 mph with gusts up to 35 mph in the afternoon. Chance of precipitation 20 percent. Wednesday Night: Mostly clear. Lows in the lower 30s. West wind around 15 mph. Thursday: Mostly sunny and breezy. Highs in the mid 50s. West wind 10 to 15 mph, increasing to 20 to 25 mph with gusts up to 40 mph in the afternoon. Thursday Night: Partly cloudy. Lows in the lower 30s. Friday: A chance of snow. Highs in the upper 40s. Friday Night: Snow likely. Light snow accumulation possible. Lows around 15. Saturday: A chance of snow. Colder with highs around 30. Saturday Night: Mostly cloudy. Lows around 10. Sunday And Sunday Night: Partly cloudy. Highs in the lower 40s. Lows in the lower 20s. Monday: Sunny. Highs in the lower 50s. | |
| Zone Forecast: Petroleum County | |
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