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

Extreme Heat and Excessive Rainfall This Week

A significant heat wave is underway for the Intermountain West, Northern Plains, and Upper Great Lakes, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. In southwest Texas, excessive rainfall may bring a risk for potentially life-threatening flash and arroyo flooding through Thursday. Read More >

Current conditions at

Jefferson River Valley (JVWM)

Lat: 45.79778°NLon: 112.16528°WElev: 4415.0ft.

NA

80°F

27°C

Humidity 35%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index80°F (27°C)
Last update 13 Jul 09:45 PM MDT
Extended Forecast for

Silver Star MT

  • Tonight

    Tonight: Mostly clear, with a low around 61. North wind 5 to 9 mph becoming light after midnight.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. Light and variable wind becoming north northeast 5 to 7 mph in the morning.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 4am, then a chance of showers after 5am. Mostly cloudy, with a low around 60. North wind 6 to 11 mph becoming light north northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 89. Light and variable wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 60%.

    High: 89 °F

    Partly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 58. North northeast wind 3 to 7 mph. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Calm wind becoming north northeast around 6 mph in the morning.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. North northeast wind 5 to 8 mph.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 93. Light and variable wind becoming east southeast around 6 mph in the morning.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 61. North wind 5 to 9 mph becoming light after midnight.
Tuesday
Mostly sunny, with a high near 93. Light and variable wind becoming north northeast 5 to 7 mph in the morning.
Tuesday Night
Showers and thunderstorms likely before 4am, then a chance of showers after 5am. Mostly cloudy, with a low around 60. North wind 6 to 11 mph becoming light north northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 89. Light and variable wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 58. North northeast wind 3 to 7 mph. Chance of precipitation is 50%.
Thursday
Sunny, with a high near 91. Calm wind becoming north northeast around 6 mph in the morning.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. North northeast wind 5 to 8 mph.
Friday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 93. Light and variable wind becoming east southeast around 6 mph in the morning.
Friday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58.
Saturday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Silver Star MT
 45.68°N 112.28°W (Elev. 4495 ft)
Last Update:
8:48 pm MDT Jul 13, 2026
Forecast Valid:
10pm MDT Jul 13, 2026-6pm MDT Jul 20, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation