Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Boulder Hill I-15 MP 170.9 (MTBOU)

Lat: 46.3233°NLon: 112.06891°WElev: 5593.0ft.

NA

69°F

21°C

Humidity 27%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 18 Aug 08:15 PM MDT
Extended Forecast for

2 Miles NNE Boulder MT

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm.  Patchy smoke between 4am and 5am. Partly cloudy, with a low around 53. Calm wind becoming west around 5 mph.

    Low: 53 °F

    Slight Chance
    Showers then
    Patchy Smoke

  • Wednesday

    Wednesday: Sunny, with a high near 83. Light west wind becoming west northwest 5 to 9 mph in the morning.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. Northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 87. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 59. East wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning.

    High: 83 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before 10pm. Patchy smoke between 4am and 5am. Partly cloudy, with a low around 53. Calm wind becoming west around 5 mph.
Wednesday
Sunny, with a high near 83. Light west wind becoming west northwest 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 54. Northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 87. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 57. North northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 87. Calm wind becoming southeast around 6 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.
Sunday
Sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Sunny, with a high near 82.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Boulder MT
 46.26°N 112.11°W (Elev. 4934 ft)
12:31 pm MDT Aug 18, 2026
8pm MDT Aug 18, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

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