Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

EUREKA (EURM8)

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

NA

50°F

10°C

Humidity 45%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 17 May 09:15 PM MDT
Extended Forecast for

Eureka MT

Frost Advisory May 18, 12:00am until May 18, 08:00am
Click here for hazard details and duration
Frost Advisory
  • Tonight

    Tonight: Widespread frost, mainly after 3am.  Otherwise, partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy
    then Frost

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Widespread frost before 8am.  Otherwise, mostly sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Frost then
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 9pm.  Areas of frost after 4am.  Otherwise, mostly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Slight Chance
    Showers then
    Areas Frost

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Areas of frost before 7am.  Otherwise, partly sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.

    High: 67 °F

    Areas Frost
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 39. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 39 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 68. Chance of precipitation is 40%.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain after noon.  Partly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

Detailed Forecast

Tonight
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 33. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms after noon. Widespread frost before 8am. Otherwise, mostly sunny, with a high near 64. Light and variable wind.
Monday Night
A 20 percent chance of showers before 9pm. Areas of frost after 4am. Otherwise, mostly cloudy, with a low around 36. Light and variable wind.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Areas of frost before 7am. Otherwise, partly sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 39. West southwest wind around 5 mph becoming calm in the evening.
Wednesday
A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 68. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
A slight chance of rain after noon. Partly sunny, with a high near 71.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 42.
Friday
A slight chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka MT
 48.88°N 115.06°W (Elev. 2818 ft)
9:02 pm MDT May 17, 2026
10pm MDT May 17, 2026-6pm MDT May 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database