Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Hazardous Weather Conditions

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

NA

53°F

12°C

Humidity 62%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 29 Jul 02:30 AM MDT
Extended Forecast for

4 Miles ESE Elliston MT

  • Overnight

    Overnight: Patchy smoke. Mostly clear, with a low around 53. Southwest wind 3 to 5 mph.

    Low: 53 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Patchy smoke. Sunny, with a high near 81. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 81 °F

    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Patchy smoke. Partly cloudy, with a low around 55. Northwest wind 5 to 8 mph becoming light and variable  in the evening.

    Low: 55 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke. Sunny, with a high near 82. West wind 3 to 8 mph.

    High: 82 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight.  Patchy smoke before 7pm. Partly cloudy, with a low around 55. West wind 5 to 8 mph becoming south southwest after midnight.  Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. Breezy.

    Low: 52 °F

    Mostly Clear
    and Breezy

Detailed Forecast

Overnight
Patchy smoke. Mostly clear, with a low around 53. Southwest wind 3 to 5 mph.
Wednesday
Patchy smoke. Sunny, with a high near 81. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.
Wednesday Night
Patchy smoke. Partly cloudy, with a low around 55. Northwest wind 5 to 8 mph becoming light and variable in the evening.
Thursday
Patchy smoke. Sunny, with a high near 82. West wind 3 to 8 mph.
Thursday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Patchy smoke before 7pm. Partly cloudy, with a low around 55. West wind 5 to 8 mph becoming south southwest after midnight. Chance of precipitation is 20%.
Friday
Sunny, with a high near 84.
Friday Night
Clear, with a low around 58.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 52. Breezy.
Sunday
Sunny, with a high near 72.
Sunday Night
Clear, with a low around 44. Breezy.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Elliston MT
 46.56°N 112.35°W (Elev. 5945 ft)
2:00 am MDT Jul 29, 2026
2am MDT Jul 29, 2026-6pm MDT Aug 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database