Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

57°F

14°C

Humidity 90%
Wind Speed SE 9 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 03 Jul 03:45 AM MDT
Extended Forecast for

16 Miles NNE Lambert MT

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 83. South southeast wind 5 to 8 mph becoming northeast in the morning.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm.  Widespread haze before midnight. Mostly cloudy, with a low around 56. South southeast wind 5 to 8 mph becoming west in the evening.  Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely then
    Partly Cloudy

  • Independence Day

    Independence Day: Mostly sunny, with a high near 86. South southwest wind 5 to 7 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Southeast wind 7 to 10 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. South wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 60. Northwest wind around 10 mph becoming north northeast after midnight.  Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 82. North wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 58. Northeast wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 83. East southeast wind 13 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 50%.

    High: 83 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. South southeast wind 5 to 8 mph becoming northeast in the morning.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Widespread haze before midnight. Mostly cloudy, with a low around 56. South southeast wind 5 to 8 mph becoming west in the evening. Chance of precipitation is 60%.
Independence Day
Mostly sunny, with a high near 86. South southwest wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 61. Southeast wind 7 to 10 mph.
Sunday
Sunny, with a high near 93. South wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 60. Northwest wind around 10 mph becoming north northeast after midnight. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 82. North wind 13 to 15 mph, with gusts as high as 24 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 58. Northeast wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 83. East southeast wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. East southeast wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Southeast wind around 11 mph, with gusts as high as 21 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Lambert MT
 47.89°N 104.46°W (Elev. 2398 ft)
12:50 am MDT Jul 3, 2026
4am MDT Jul 3, 2026-6pm MDT Jul 9, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database