Petroleum County, MT Weather Forecast

County weather hub

49°

Chance Light Rain

Compare major city weather across Petroleum County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Sunday, November 1, 2026

Wind: 2 to 10 mph WSW

Sunday

A chance of rain. Partly sunny, with a high near 49.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Petroleum County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 0 of 0 mapped cities in Petroleum County.

Page Snapshot

Page focus: county weather
Forecast window: Nov 1 to Nov 2, 2026
Latest sync: Oct 27, 2026 4:06 AM MDT
Forecast office: GGW
Source: NOAA / NWS

Next High

49°F

Sunday

Next Low

30°F

Sunday Night

Rain Outlook

Periods mentioning precipitation

Windiest

9 to 15 mph

Monday

Daily Outlook

Today

Nov 1

Chance Light Rain

49 °F

/ 30°F

Wind 2 to 10 mph

Mon

Nov 2

Chance Rain And Snow

48 °F

Wind 9 to 15 mph

This Week in Petroleum County

Sunday looks like the warmest upcoming period in Petroleum County at 49 degrees F.

Sunday Night is the coolest period ahead with temperatures near 30 degrees F.

The strongest winds are forecast for Monday at about 9 to 15 mph NW.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated: Oct 27, 2026 4:06 AM MDT
Coverage: 2 days
Time zone: America/Denver
Forecast office: GGW
Radar station: KBLX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Sunday Night

Nov 1

30°F

Chance Light Rain then Chance Rain And Snow

8 to 13 mph NW

A chance of rain before 5am, then a chance of rain and snow. Mostly cloudy, with a low around 30.

Monday

Nov 2

48°F

Chance Rain And Snow

9 to 15 mph NW

A chance of rain and snow. Partly sunny, with a high near 48.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Sunday Nov 1	Chance Light Rain	49°F	2 to 10 mph WSW	A chance of rain. Partly sunny, with a high near 49.
Sunday Night Nov 1	Chance Light Rain then Chance Rain And Snow	30°F	8 to 13 mph NW	A chance of rain before 5am, then a chance of rain and snow. Mostly cloudy, with a low around 30.
Monday Nov 2	Chance Rain And Snow	48°F	9 to 15 mph NW	A chance of rain and snow. Partly sunny, with a high near 48.

Nearby Forecasts

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Coverage

Forecast coverage currently spans 0 of 0 mapped cities in Petroleum County.

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Winnett MT Petroleum County Courthouse '2' image

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.