| NWS Forecast for: Petroleum County Issued by: National Weather Service Glasgow, MT Last Update: 1131 AM MST Wed Nov 11 2026 |  |
| Rest Of Today: Sunny. Highs in the upper 60s. West wind around 5 mph. Tonight: Mostly clear. Lows in the upper 30s. Southwest wind around 5 mph. Thursday: Mostly sunny. Highs around 70. South wind 5 to 10 mph. Thursday Night: Mostly cloudy. Lows in the upper 30s. South wind 5 to 10 mph. Friday: Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 60s. South wind 5 to 10 mph. Friday Night: Mostly cloudy. Lows in the mid 30s. Saturday And Saturday Night: Partly cloudy. Highs in the lower 60s. Lows in the mid 30s. Sunday And Sunday Night: Mostly clear. Highs around 60. Lows in the mid 30s. Monday: Mostly sunny. Highs in the lower 60s. Monday Night And Tuesday: Mostly cloudy. Lows in the mid 30s. Highs in the mid 50s. | |
| Zone Forecast: Petroleum County | |
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