7-Day Zone Forecast for Petroleum County (Text-Only)
NWS Forecast for: Petroleum County
Issued by: National Weather Service Glasgow, MT
Last Update: 1203 PM MST Thu Nov 27 2025
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Rest Of Today: Cloudy. Near steady temperature in the lower 30s. Southeast wind 5 to 10 mph.

Tonight: Patchy freezing fog in the evening. Snow. Snow accumulation of 1 to 3 inches. Lows around 20. Southeast wind 5 to 10 mph. Chance of precipitation 90 percent.

Friday: Snow. Additional snow accumulation around an inch. Highs in the upper 20s. Northwest wind 15 to 20 mph. Chance of snow 90 percent.

Friday Night: Snow likely, mainly in the evening. Patchy freezing fog after midnight. Additional light snow accumulation possible. Lows zero to 5 above. Northwest wind around 20 mph, decreasing to 10 to 15 mph after midnight. Chance of precipitation 70 percent. Wind chill values around 5 below after midnight.

Saturday: Partly sunny in the morning, then clearing. Highs 15 to 20. Northwest wind 5 to 10 mph, becoming north in the afternoon. Wind chill values around 10 below in the morning.

Saturday Night And Sunday: Partly cloudy. Lows around 10 below. Highs 15 to 20.

Sunday Night: Partly cloudy. Lows near zero.

Monday: Partly sunny. Warmer with highs in the lower 30s.

Monday Night: A slight chance of freezing rain and snow. Lows 15 to 20.

Tuesday: A chance of rain, snow and freezing rain. Highs in the upper 30s.

Tuesday Night: A chance of snow and rain. Lows 15 to 20.

Wednesday: A slight chance of snow. Highs around 30.







Zone Forecast: Petroleum County

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