Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

66°F

19°C

Humidity 36%
Wind Speed E 4 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 09 May 02:00 PM MDT
Extended Forecast for

Arlee MT

  • Tonight

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

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80. South southeast wind around 6 mph becoming southwest in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. Light south wind.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 76. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before midnight.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. North northwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 80. South southeast wind around 6 mph becoming southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 50. Light south wind.
Monday
Sunny, with a high near 76. Light and variable wind becoming west around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 46. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Wednesday Night
A chance of rain, mainly before midnight. Mostly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
A chance of rain. Partly cloudy, with a low around 48.
Friday
A slight chance of rain. Mostly sunny, with a high near 69.
Friday Night
A chance of rain. Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Arlee MT
 47.16°N 114.09°W (Elev. 3199 ft)
2:01 pm MDT May 9, 2026
3pm MDT May 9, 2026-6pm MDT May 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database