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Dunkirk Reservoir, MT Weather Forecast

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Mostly Cloudy

53°F

Updated	1:38 pm
Feels Like	47°F
Humidity	56%
Wind	N 0 mph
Barometer	30.07 in
Dew Point	38°F

Mostly Cloudy

12°C

Updated	1:38 pm
Feels Like	9°C
Humidity	56%
Wind	N 0 km/h
Barometer	101.8 kPa
Dew Point	3°C

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Cloud Cover	100%
uv UV Index	2
Sunrise	6:59 AM
Sunset	7:48 PM
Moonrise	7:40 AM
Moonset	7:49 PM

Civil Twilight
6:23 AM to 6:55 AM
7:48 PM to 8:20 PM
Dunkirk Reservoir MT Weather - Waxing Crescent Moon

Waxing Crescent Moon

Dunkirk Reservoir Weather Forecast

REST OF TODAY	TONIGHT	SATURDAY	SATURDAY NIGHT	SUNDAY	SUNDAY NIGHT	MONDAY	MONDAY NIGHT	TUESDAY	TUESDAY NIGHT	WEDNESDAY	WEDNESDAY NIGHT

Chance of Rain	Mostly Cloudy	Chance of Rain	Partly Cloudy	Chance of Rain	Rain	Chance of Rain	Chance of Showers	Chance of Showers	Chance of Showers	Rain Showers	Mostly Clear
Hi: 55°FHi: 13°C	Lo: 41°FLo: 5°C	Hi: 55°FHi: 13°C	Lo: 39°FLo: 4°C	Hi: 58°FHi: 14°C	Lo: 41°FLo: 5°C	Hi: 57°FHi: 14°C	Lo: 39°FLo: 4°C	Hi: 55°FHi: 13°C Lo: 39°FLo: 4°C	Hi: 55°FHi: 13°C Lo: 39°FLo: 4°C	Hi: 59°FHi: 15°C	Hi: 65°FHi: 18°C Lo: 40°FLo: 4°C
POP: 20%		POP: 20%		POP: 50%	POP: 80%	POP: 50%	POP: 20%	POP: 20%	POP: 20%	POP: 20%

POP = Probability of Precipitation.

Weather Outlook Updated: 1232 PM MDT Fri Sep 11 2026 Dunkirk Reservoir, MT Weather - WeatherWorld.com

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Instant definitions for any meteorological term.

Issued: 1132 AM MDT Fri Sep 11 2026

Key Messages

Scattered showers today, especially over North Central MT, otherwise much cooler.
Another chance for lower elevation rain and mountain snow over the Rockies Sunday into Monday.
Temperatures start to warm back up by late next week.

Discussion

... /Issued 358 AM MDT Fri Sep 11 2026/

Meteorological Overview: A weak upper level disturbance is moving from west to east across North Central MT this morning, producing a few thunderstorms along the divide and scattered showers over the Plains o...

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Weather 101: Term of the Day

Boundary Layer

In general, a layer of air adjacent to a bounding surface. Specifically, the term most often refers to the planetary boundary layer, which is the layer within which the effects of friction are significant. For the earth, this layer is considered to be roughly the lowest one or two kilometers of the atmosphere. It is within this layer that temperatures are most strongly affected by daytime insolation and nighttime radiational cooling, and winds are affected by friction with the earth's surface. The effects of friction die out gradually with increasing height, so the "top" of this layer cannot be defined exactly. There is a thin layer immediately above the earth's surface known as the surface boundary layer (or simply the surface layer). This layer is only a portion of the planetary boundary layer, and represents the layer within which friction effects are more or less constant throughout (as opposed to decreasing with height, as they do above it). The surface boundary layer is roughly 10 meters thick (from the surface up to 10 m above the ground), but again the exact depth is indeterminate. Like friction, the effects of insolation and radiational cooling are strongest within this layer.