National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

EUREKA (EURM8)

Lat: 48.89781°NLon: 115.05836°WElev: 2632.0ft.

NA

40°F

4°C

Humidity 79%
Wind Speed SE 9 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 17 Mar 01:15 AM MDT
Extended Forecast for

Eureka MT

  • Overnight

    Overnight: A 50 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 38. Southeast wind around 6 mph.

    Low: 38 °F

    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly between 11am and 2pm. Mostly cloudy, with a high near 56. Southeast wind around 7 mph, with gusts as high as 18 mph.

    High: 56 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly after 1am. Low around 42. South southwest wind around 6 mph becoming southeast in the evening. Chance of precipitation is 80%.

    Low: 42 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 57. East southeast wind around 7 mph becoming south in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 43. South wind around 6 mph.

    Low: 43 °F

    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 62.

    High: 62 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

Detailed Forecast

Overnight
A 50 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 38. Southeast wind around 6 mph.
Tuesday
A 30 percent chance of rain, mainly between 11am and 2pm. Mostly cloudy, with a high near 56. Southeast wind around 7 mph, with gusts as high as 18 mph.
Tuesday Night
Rain, mainly after 1am. Low around 42. South southwest wind around 6 mph becoming southeast in the evening. Chance of precipitation is 80%.
Wednesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 57. East southeast wind around 7 mph becoming south in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43. South wind around 6 mph.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 58.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Friday
Rain likely. Mostly cloudy, with a high near 62.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41.
Saturday
A chance of rain. Partly sunny, with a high near 54.
Saturday Night
A slight chance of rain. Snow level 4500 feet lowering to 3300 feet after midnight . Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Eureka MT
 48.88°N 115.06°W (Elev. 2818 ft)
Last Update:
2:01 am MDT Mar 17, 2026
Forecast Valid:
2am MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation