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

Tropical Storm Edouard Along the Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard off the central Gulf Coast will bring tropical storm conditions and heavy rainfall to portions of Upper Texas and southwestern Louisiana coasts Tuesday into Wednesday. Storm Surge Watches and Tropical Storm Warnings are in effect. Hot and humid conditions will continue to expand from the Central Plains into the Ohio Valley and Mid-Atlantic this week. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

77°F

25°C

Humidity 16%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Heat Index77°F (25°C)
Last update 31 Aug 07:15 PM MDT
Extended Forecast for

9 Miles WNW Elliston MT

  • Tonight

    Tonight: Mostly clear, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of rain after 5pm. Increasing clouds, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely and possibly a thunderstorm before 1am, then a chance of rain after 5am. Mostly cloudy, with a low around 43. South southeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers
    Likely then
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, then showers and possibly a thunderstorm after noon. Patchy fog before 8am. High near 73. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance Rain
    and Patchy
    Fog then
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 39. West wind 8 to 13 mph becoming light and variable after midnight.

    Low: 39 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Friday

    Friday: A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 41. Light and variable wind.
Tuesday
A 20 percent chance of rain after 5pm. Increasing clouds, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Rain likely and possibly a thunderstorm before 1am, then a chance of rain after 5am. Mostly cloudy, with a low around 43. South southeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of rain, then showers and possibly a thunderstorm after noon. Patchy fog before 8am. High near 73. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 39. West wind 8 to 13 mph becoming light and variable after midnight.
Thursday
A 30 percent chance of rain after noon. Partly sunny, with a high near 70.
Thursday Night
A 30 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 37.
Friday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.
Friday Night
A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 38.
Saturday
A chance of rain. Partly sunny, with a high near 72.
Saturday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Partly sunny, with a high near 71.
Sunday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 40.
Labor Day
A chance of rain. Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Elliston MT
 46.62°N 112.61°W (Elev. 4800 ft)
Last Update:
2:01 pm MDT Aug 31, 2026
Forecast Valid:
7pm MDT Aug 31, 2026-6pm MDT Sep 7, 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