Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

EUREKA (EURM8)

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

NA

53°F

12°C

Humidity 31%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 21 Mar 04:15 PM MDT
Extended Forecast for

15 Miles SW Fortine MT

Flood Watch March 21, 04:49pm until March 22, 12:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 21, 04:49pm until March 22, 12:00pm

    NOW until 12:00pm Sun

    Flood Watch

  • This Afternoon

    High: 40 °F

    Chance Snow

  • Tonight

    Tonight: Mostly clear, with a low around 24. West southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 38 mph.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 37. West southwest wind 9 to 15 mph, with gusts as high as 30 mph.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. West southwest wind 6 to 15 mph, with gusts as high as 29 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. South wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow, mainly after noon.  High near 38. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Chance Snow
    then Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 3am.  Snow level 5800 feet. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain/Snow

Detailed Forecast

This Afternoon
A 40 percent chance of snow. Partly sunny, with a high near 40. West southwest wind around 20 mph, with gusts as high as 38 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly clear, with a low around 24. West southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 38 mph.
Sunday
Sunny, with a high near 37. West southwest wind 9 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 26. West southwest wind 6 to 15 mph, with gusts as high as 29 mph.
Monday
Mostly sunny, with a high near 44. South wind 6 to 9 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Snow, mainly after noon. High near 38. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Tuesday Night
Rain and snow, becoming all snow after 3am. Snow level 5800 feet. Mostly cloudy, with a low around 32.
Wednesday
Snow likely, mainly before noon. Mostly cloudy, with a high near 39.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 25.
Thursday
A chance of snow. Mostly sunny, with a high near 36.
Thursday Night
Mostly clear, with a low around 23.
Friday
Sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 46.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SW Fortine MT
 48.62°N 115.13°W (Elev. 5584 ft)
2:01 pm MDT Mar 21, 2026
4pm MDT Mar 21, 2026-6pm MDT Mar 28, 2026
 
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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