Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Current conditions at

Boulder Hill I-15 MP 170.9 (MTBOU)

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

NA

66°F

19°C

Humidity 33%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 27 Jul 09:00 AM MDT
Extended Forecast for

9 Miles ENE Boulder MT

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 2pm.  Increasing clouds, with a high near 76. Light and variable wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 76 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 7pm and 10pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 52. North northwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 52 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76. Northeast wind 3 to 6 mph.

    High: 76 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 53. North wind 3 to 7 mph.

    Low: 53 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 74. Light and variable wind becoming northeast 5 to 8 mph in the morning.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 53. North northeast wind 5 to 9 mph becoming light north  after midnight.

    Low: 53 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 72. North northwest wind 5 to 8 mph becoming east northeast in the afternoon.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 54. Northeast wind 5 to 9 mph becoming light north northwest  after midnight.

    Low: 54 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny
    then Showers
    Likely

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 76. Light and variable wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 7pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. North northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Monday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. Northeast wind 3 to 6 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53. North wind 3 to 7 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. Light and variable wind becoming northeast 5 to 8 mph in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53. North northeast wind 5 to 9 mph becoming light north after midnight.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 72. North northwest wind 5 to 8 mph becoming east northeast in the afternoon.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54. Northeast wind 5 to 9 mph becoming light north northwest after midnight.
Thursday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 74.
Thursday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 73.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Boulder MT
 46.27°N 111.96°W (Elev. 6378 ft)
7:52 am MDT Jul 27, 2025
9am MDT Jul 27, 2025-6pm MDT Aug 2, 2025
 
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Additional Resources

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Hourly Weather Forecast

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