Eureka, MT Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Eureka, MT in one place.
Mostly sunny, with a high near 76. West wind around 2 mph.
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
Daily Outlook
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 sourceExtended Forecast
A chance of rain after midnight. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
A chance of rain before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 72.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.
Sunny, with a high near 75.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 68.
A slight chance of rain after midnight. Partly cloudy, with a low around 42.
A slight chance of rain. Mostly sunny, with a high near 65.
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
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Eureka.