Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

83°F

28°C

Humidity 46%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 60°F (16°C)
Visibility NA
Heat Index83°F (28°C)
Last update 02 Aug 04:16 PM MDT
Extended Forecast for

7 Miles W Lambert MT

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Sunny, with a high near 84. East wind around 7 mph.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 2am.  Partly cloudy, with a low around 59. East wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 84. West northwest wind 3 to 7 mph.

    High: 84 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 60. Northwest wind around 6 mph becoming southeast after midnight.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 88. East southeast wind 3 to 8 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 61. East southeast wind around 10 mph.

    Low: 61 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 82. East wind 8 to 10 mph becoming west in the afternoon.  Chance of precipitation is 60%.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 58. West southwest wind 6 to 10 mph.

    Low: 58 °F

    Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. West southwest wind 6 to 9 mph.

    High: 87 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 84. East wind around 7 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 59. East wind 5 to 7 mph becoming light and variable after midnight.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 84. West northwest wind 3 to 7 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60. Northwest wind around 6 mph becoming southeast after midnight.
Monday
Sunny, with a high near 88. East southeast wind 3 to 8 mph.
Monday Night
A 40 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 61. East southeast wind around 10 mph.
Tuesday
A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 82. East wind 8 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 58. West southwest wind 6 to 10 mph.
Wednesday
Sunny, with a high near 87. West southwest wind 6 to 9 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 59. North wind 6 to 8 mph becoming south southeast after midnight.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. East wind 6 to 9 mph becoming northwest in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 76.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles W Lambert MT
 47.69°N 104.78°W (Elev. 2497 ft)
2:18 pm MDT Aug 2, 2025
4pm MDT Aug 2, 2025-6pm MDT Aug 9, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database