Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

Lat: 47.31333°NLon: 114.09806°WElev: 2990.0ft.

NA

45°F

7°C

Humidity 82%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 18 Oct 10:00 AM MDT
Extended Forecast for

Arlee MT

  • Today

    Today: Sunny, with a high near 63. Light northwest wind.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68. Southeast wind around 6 mph becoming calm  in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain after noon.  Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 63. Light northwest wind.
Tonight
Partly cloudy, with a low around 42. Light and variable wind.
Monday
Mostly sunny, with a high near 68. Southeast wind around 6 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 44. Calm wind.
Tuesday
Mostly sunny, with a high near 65. Calm wind.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
A chance of rain after noon. Partly sunny, with a high near 67.
Thursday Night
Rain. Mostly cloudy, with a low around 45.
Friday
Rain likely. Mostly cloudy, with a high near 52.
Friday Night
A chance of rain. Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Arlee MT
 47.16°N 114.09°W (Elev. 3199 ft)
2:01 am MDT Oct 18, 2026
11am MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database