Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Hazardous Weather Conditions

Current conditions at

EUREKA (EURM8)

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

NA

51°F

11°C

Humidity 70%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 12 Aug 06:15 AM MDT
Extended Forecast for

Eureka MT

  • Today

    Today: A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Areas of smoke before 4pm. Patchy fog before 8am.  Otherwise, partly sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 80 °F

    Patchy Fog
    then Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am.  Patchy smoke before 7pm. Low around 48. North wind 7 to 9 mph.  Chance of precipitation is 80%.

    Low: 48 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Rain and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm.  High near 70. North wind 3 to 6 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Rain then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 46. North northeast wind around 5 mph becoming calm  after midnight.

    Low: 46 °F

    Slight Chance
    Rain then
    Patchy Fog

  • Friday

    Friday: A chance of rain before 3pm, then a chance of showers and thunderstorms after 3pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 77. Calm wind.  Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 83.

    High: 83 °F

    Areas Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Areas of smoke before 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Patchy smoke before 7pm. Low around 48. North wind 7 to 9 mph. Chance of precipitation is 80%.
Thursday
Rain and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. High near 70. North wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of rain before midnight. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 46. North northeast wind around 5 mph becoming calm after midnight.
Friday
A chance of rain before 3pm, then a chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 77. Calm wind. Chance of precipitation is 30%.
Friday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 47.
Saturday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 83.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 86.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 52.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka MT
 48.88°N 115.06°W (Elev. 2818 ft)
2:12 am MDT Aug 12, 2026
7am MDT Aug 12, 2026-6pm MDT Aug 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database