Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

LIBBY (LBBM8)

Lat: 48.40361°NLon: 115.53917°WElev: 2070.0ft.

NA

44°F

7°C

Humidity 34%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Last update 30 Mar 07:25 PM MDT
Extended Forecast for

18 Miles SW Fortine MT

  • Tonight

    Tonight: Mostly clear, with a low around 20. West wind 6 to 11 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. East wind around 6 mph becoming southwest in the afternoon.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. Southwest wind around 5 mph becoming light and variable  in the evening.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow after noon.  Mostly cloudy, with a high near 43. South southeast wind 3 to 7 mph.  Little or no snow accumulation expected.

    High: 43 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 9pm, then snow.  Low around 33. Southeast wind around 6 mph becoming northeast after midnight.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely then
    Snow

  • Thursday

    Thursday: Snow.  High near 36. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 36 °F

    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 31. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow
    then Slight
    Chance Snow

  • Friday

    Friday: A slight chance of snow.  Mostly cloudy, with a high near 41.

    High: 41 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 20. West wind 6 to 11 mph becoming light and variable. Winds could gust as high as 20 mph.
Tuesday
Partly sunny, with a high near 40. East wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 28. Southwest wind around 5 mph becoming light and variable in the evening.
Wednesday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 43. South southeast wind 3 to 7 mph. Little or no snow accumulation expected.
Wednesday Night
Rain and snow likely before 9pm, then snow. Low around 33. Southeast wind around 6 mph becoming northeast after midnight. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Snow. High near 36. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 31. New snow accumulation of less than a half inch possible.
Friday
A slight chance of snow. Mostly cloudy, with a high near 41.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 33.
Monday
A chance of rain and snow. Partly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SW Fortine MT
 48.58°N 115.15°W (Elev. 5600 ft)
2:01 pm MDT Mar 30, 2026
8pm MDT Mar 30, 2026-6pm MDT Apr 6, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database