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

Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

Lat: 47.91973°NLon: 104.32619°WElev: 2480.0ft.

NA

31°F

-1°C

Humidity 77%
Wind Speed NNW 12 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 16 Apr 06:30 PM MDT
Extended Forecast for

8 Miles NNE Lambert MT

  • Tonight

    Tonight: A 20 percent chance of snow showers after 5am. Mostly cloudy, with a low around 19. North northwest wind 11 to 18 mph, with gusts as high as 28 mph.

    Low: 19 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: A 20 percent chance of snow showers before 7am. Partly sunny, with a high near 35. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 32 mph.

    High: 35 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 19. West wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 48. West wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25. North northwest wind 5 to 14 mph becoming east southeast after midnight. Winds could gust as high as 22 mph.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62. East southeast wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Southeast wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72. South southwest wind 11 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. North northwest wind 6 to 13 mph becoming east southeast after midnight.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of snow showers after 5am. Mostly cloudy, with a low around 19. North northwest wind 11 to 18 mph, with gusts as high as 28 mph.
Friday
A 20 percent chance of snow showers before 7am. Partly sunny, with a high near 35. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 32 mph.
Friday Night
Mostly clear, with a low around 19. West wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.
Saturday
Mostly sunny, with a high near 48. West wind 10 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 25. North northwest wind 5 to 14 mph becoming east southeast after midnight. Winds could gust as high as 22 mph.
Sunday
Sunny, with a high near 62. East southeast wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 40. Southeast wind 9 to 11 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 72. South southwest wind 11 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 39. North northwest wind 6 to 13 mph becoming east southeast after midnight.
Tuesday
Sunny, with a high near 76. Southeast wind 7 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 48. Southeast wind 10 to 13 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 49.
Thursday
A chance of showers. Mostly cloudy, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Lambert MT
 47.78°N 104.57°W (Elev. 2500 ft)
Last Update:
3:40 pm MDT Apr 16, 2026
Forecast Valid:
6pm MDT Apr 16, 2026-6pm MDT Apr 23, 2026
 
Forecast Discussion
 
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