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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

EUREKA (EURM8)

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

NA

72°F

22°C

Humidity 24%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 17 Jun 09:15 PM MDT
Extended Forecast for

18 Miles NE Fortine MT

  • Tonight

    Tonight: A 40 percent chance of rain before midnight. Partly cloudy, with a low around 40. West northwest wind 9 to 11 mph.

    Low: 40 °F

    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56. West wind around 9 mph.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. North wind 10 to 13 mph.

    Low: 38 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 61. North northeast wind around 9 mph becoming south southwest in the afternoon.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. Southwest wind around 9 mph becoming north northwest after midnight.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 61. Breezy.

    High: 61 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. Breezy.

    Low: 41 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 53.

    High: 53 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of rain before midnight. Partly cloudy, with a low around 40. West northwest wind 9 to 11 mph.
Thursday
Sunny, with a high near 56. West wind around 9 mph.
Thursday Night
Mostly clear, with a low around 38. North wind 10 to 13 mph.
Juneteenth
Sunny, with a high near 61. North northeast wind around 9 mph becoming south southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 45. Southwest wind around 9 mph becoming north northwest after midnight.
Saturday
Sunny, with a high near 61. Breezy.
Saturday Night
Partly cloudy, with a low around 41. Breezy.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 53.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 38.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
A chance of rain. Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NE Fortine MT
 48.98°N 114.67°W (Elev. 6890 ft)
Last Update:
2:01 pm MDT Jun 17, 2026
Forecast Valid:
9pm MDT Jun 17, 2026-6pm MDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation