Eureka, MT Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Eureka, MT in one place.
Sunny, with a high near 93. South wind 2 to 8 mph, with gusts as high as 22 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: Jul 17, 2026 9:30 AM MDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Eureka, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 9:30 AM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Eureka
Wednesday looks like the warmest upcoming period in Eureka at 95 degrees F.
Saturday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Saturday Night at about 3 to 9 mph SSW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 9:30 AM MDT
- Coverage
- 7 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
Mostly clear, with a low around 57. South southwest wind 3 to 9 mph, with gusts as high as 22 mph.
Sunny, with a high near 91. South wind 2 to 6 mph.
Mostly clear, with a low around 58.
Mostly sunny, with a high near 92.
Mostly cloudy, with a low around 62.
Mostly sunny, with a high near 93.
Partly cloudy, with a low around 64.
Mostly sunny, with a high near 95.
Partly cloudy, with a low around 64.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Sunny
|
93°F |
2 to 8 mph
S
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
57°F |
3 to 9 mph
SSW
|
|
Sunday
Jul 19
|
Sunny
|
91°F |
2 to 6 mph
S
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
58°F |
1 to 5 mph
SSW
|
|
Monday
Jul 20
|
Mostly Sunny
|
92°F |
2 mph
NNW
|
|
Monday Night
Jul 20
|
Mostly Cloudy
|
62°F |
2 mph
N
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
93°F |
2 mph
N
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
64°F |
2 mph
NNE
|
|
Wednesday
Jul 22
|
Mostly Sunny
|
95°F |
2 mph
N
|
|
Wednesday Night
Jul 22
|
Partly Cloudy
|
64°F |
2 mph
N
|
|
Thursday
Jul 23
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
95°F |
2 mph
S
|
|
Thursday Night
Jul 23
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
64°F |
2 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Eureka.
