| NWS Forecast for: Petroleum County Issued by: National Weather Service Glasgow, MT Last Update: 715 PM MDT Sat Aug 2 2025 |  |
Rest Of Tonight: Mostly cloudy this evening, then clearing. A chance of thunderstorms this evening. Some thunderstorms may produce gusty winds this evening. Lows in the upper 50s. West wind around 5 mph. Chance of precipitation 40 percent. Sunday: Sunny. Highs in the mid 80s. West wind 5 to 10 mph. Sunday Night: Mostly clear. Lows in the upper 50s. North wind around 5 mph, becoming southwest around 5 mph after midnight. Monday: Sunny. Highs in the lower 90s. Southeast wind 5 to 10 mph. Monday Night: A chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 50s. East wind around 10 mph, becoming northwest after midnight. Chance of rain 50 percent. Tuesday: A slight chance of thunderstorms. Highs in the lower 80s. Tuesday Night: Partly cloudy. Lows in the upper 50s. Wednesday: Sunny. Highs in the upper 80s. Wednesday Night: Mostly cloudy. Lows in the upper 50s. Thursday: Mostly sunny. Highs in the mid 80s. Thursday Night Through Friday Night: A chance of showers with a slight chance of thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Saturday: A slight chance of showers. Highs in the mid 70s. | |
| Zone Forecast: Petroleum County | |
Visit your local NWS office at: https://www.weather.gov/ggw |