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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

EUREKA (EURM8)

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

NA

70°F

21°C

Humidity 44%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 17 Sep 04:15 PM MDT
Extended Forecast for

Fortine MT

  • Tonight

    Tonight: Partly cloudy, with a low around 46. North northwest wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78. Calm wind.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. North northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 77. Light and variable wind.
Friday Night
Partly cloudy, with a low around 46. Calm wind.
Saturday
Sunny, with a high near 78. Calm wind.
Saturday Night
Mostly clear, with a low around 48. Calm wind.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fortine MT
 48.77°N 114.91°W (Elev. 2999 ft)
Last Update:
2:01 pm MDT Sep 17, 2026
Forecast Valid:
5pm MDT Sep 17, 2026-6pm MDT Sep 24, 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