Eureka, MT Weather Forecast

Local 7-day forecast

76°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Eureka, MT in one place.

Wednesday, June 3, 2026
Wind: 2 mph W
Wednesday

Mostly sunny, with a high near 76. West wind around 2 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Eureka, MT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 1, 2026 7:59 PM MDT.

The active forecast window currently covers Jun 3 to Jun 7, 2026 for Eureka, MT.

Page Snapshot

Page focus
city weather
Forecast window
Jun 3 to Jun 7, 2026
Latest sync
Jun 1, 2026 7:59 PM MDT
Forecast office
MSO
Source
NOAA / NWS
Next High
76°F
Wednesday
Next Low
48°F
Wednesday Night
Rain Outlook
5
Periods mentioning precipitation
Windiest
3 to 10 mph
Friday Night

Daily Outlook

Today
Jun 3
Mostly Sunny
76 °F
/ 48°F
Wind 2 mph
Thu
Jun 4
Chance Light Rain then Chance Showers And Thunderstorms
72 °F
/ 46°F
Wind 0 to 5 mph
Fri
Jun 5
Sunny
75 °F
/ 46°F
Wind 2 to 8 mph
Sat
Jun 6
Mostly Sunny
68 °F
/ 42°F
Wind 3 to 9 mph
Sun
Jun 7
Slight Chance Light Rain
65 °F
/ 40°F
Wind 2 to 6 mph

This Week in Eureka

Wednesday looks like the warmest upcoming period in Eureka at 76 degrees F.

Sunday Night is the coolest period ahead with temperatures near 40 degrees F.

The strongest winds are forecast for Friday Night at about 3 to 10 mph SSW.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
Jun 1, 2026 7:59 PM MDT
Coverage
6 days
Time zone
America/Denver
Forecast office
MSO
Radar station
KMSX

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

Open NOAA source

Extended Forecast

Wednesday Night
Jun 3
48°F
Mostly Cloudy then Chance Light Rain
1 mph SSE

A chance of rain after midnight. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.

Thursday
Jun 4
72°F
Chance Light Rain then Chance Showers And Thunderstorms
0 to 5 mph SW

A chance of rain before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 72.

Thursday Night
Jun 4
46°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
2 to 6 mph SSW

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.

Friday
Jun 5
75°F
Sunny
2 to 8 mph SSW

Sunny, with a high near 75.

Friday Night
Jun 5
46°F
Partly Cloudy
3 to 10 mph SSW

Partly cloudy, with a low around 46.

Saturday
Jun 6
68°F
Mostly Sunny
3 to 9 mph SSW

Mostly sunny, with a high near 68.

Saturday Night
Jun 6
42°F
Partly Cloudy then Slight Chance Light Rain
2 to 10 mph SSW

A slight chance of rain after midnight. Partly cloudy, with a low around 42.

Sunday
Jun 7
65°F
Slight Chance Light Rain
2 to 6 mph SW

A slight chance of rain. Mostly sunny, with a high near 65.

Sunday Night
Jun 7
40°F
Partly Cloudy
1 to 7 mph SSW

Partly cloudy, with a low around 40.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Jun 3
Mostly Sunny
76°F
2 mph
W
Wednesday Night
Jun 3
Mostly Cloudy then Chance Light Rain
48°F
1 mph
SSE
Thursday
Jun 4
Chance Light Rain then Chance Showers And Thunderstorms
72°F
0 to 5 mph
SW
Thursday Night
Jun 4
Slight Chance Showers And Thunderstorms then Partly Cloudy
46°F
2 to 6 mph
SSW
Friday
Jun 5
Sunny
75°F
2 to 8 mph
SSW
Friday Night
Jun 5
Partly Cloudy
46°F
3 to 10 mph
SSW
Saturday
Jun 6
Mostly Sunny
68°F
3 to 9 mph
SSW
Saturday Night
Jun 6
Partly Cloudy then Slight Chance Light Rain
42°F
2 to 10 mph
SSW
Sunday
Jun 7
Slight Chance Light Rain
65°F
2 to 6 mph
SW
Sunday Night
Jun 7
Partly Cloudy
40°F
1 to 7 mph
SSW
Eureka Montana Downtown Looking Northwest
Eureka Montana Downtown Looking Northwest 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.