What is today's weather forecast for Eureka, MT?

Today's forecast for Eureka shows a low of 35 degrees Fahrenheit. A 50 percent chance of snow.

What is the 7-day weather forecast for Eureka, MT?

The 7-day forecast for Eureka shows highs from 36 to 46 degrees and lows from 24 to 35 degrees Fahrenheit. Expect precipitation on 8 days with chances of 20% or higher.

Will it rain in Eureka, MT this week?

Yes, rain is possible in Eureka this week. Precipitation chances: Tuesday (50% chance), Wednesday (50% chance), Thursday (50% chance), Friday (50% chance), Saturday (50% chance), Sunday (50% chance), Monday (50% chance), Tuesday (50% chance).

How accurate is the Eureka weather forecast?

WeatherForYou provides highly accurate Eureka forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Eureka, MT Weather Forecast and Current Conditions

WEATHER ALERTS - Avalanche Watch - High Wind Warning - Flash Flood Watch

Current Conditions From Nearby Station

Switch to Metric Units

40°F
Feels Like 34°F

Humidity 91% Dew Point 37°F Wind SSE 9 MPH Gusts 11 Barometer 29.23 in.

Report from a personal weather station 9.2 mi. SSE of central Eureka
at 3:25 AM Wed, Dec 17, 2025

Point Forecast at a Glance

TueDec 16

50%

WedDec 17

50%

ThuDec 18

50%

FriDec 19

40%

SatDec 20

50%

SunDec 21

50%

MonDec 22

50%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 36°F to 46°F. Unsettled weather expected with snow likely on at least 7 days.

Climate Context

This week's forecast shows temperatures running 9°F above the historical average for December. Normal highs for this period are around 31°F with lows around 19°F.

This Date in Weather History

1924 - A severe icestorm struck central Illinois. It coated the ground with nearly two inches of glaze at Springfield. The storm caused 21 million dollars damage along with much hardship. Ice was on the trees until the 4th of January, and electricity was not restored until January 10th.

Eureka, MT 7 Day Weather Forecast Details

Tuesday Dec 16

Night: A 50 percent chance of snow. Cloudy, with a low around 35. Southeast wind around 13 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.

Wednesday Dec 17

Day: A 50 percent chance of snow. Cloudy, then gradually becoming mostly sunny, with a high near 46. Breezy, with a south southeast wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 43 mph. Little or no snow accumulation expected.

Night: A 30 percent chance of snow. Partly cloudy, with a low around 27. West wind 6 to 13 mph becoming southeast after midnight. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.

Thursday Dec 18

Day: A 50 percent chance of snow. Cloudy, with a high near 41. South southeast wind around 7 mph. New snow accumulation of less than a half inch possible.

Night: A 50 percent chance of snow. Snow level rising to 4100 feet. Cloudy, with a low around 30. South southeast wind 7 to 11 mph becoming southwest after midnight. Winds could gust as high as 33 mph. New snow accumulation of less than a half inch possible.

Friday Dec 19

Day: A 40 percent chance of snow. Partly sunny, with a high near 41. New snow accumulation of less than a half inch possible.

Night: A 50 percent chance of snow. Mostly cloudy, with a low around 24. New snow accumulation of less than a half inch possible.

Saturday Dec 20

Day: A chance of snow. Mostly cloudy, with a high near 36.

Night: A chance of snow. Mostly cloudy, with a low around 25.

Sunday Dec 21

Day: A chance of snow. Mostly cloudy, with a high near 38.

Night: A chance of snow. Mostly cloudy, with a low around 28.

Monday Dec 22

Day: A chance of snow. Snow level 3200 feet. Partly sunny, with a high near 40.

Night: A chance of snow. Mostly cloudy, with a low around 25.

Tuesday Dec 23

Day: A chance of snow. Partly sunny, with a high near 39.

About Eureka, MT

Eureka is a town in Lincoln County, Montana, United States, 9 miles (14 km) south of the Canada–US border. The population was 1,380 at the 2020 census.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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