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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

East of Denton MT-81 MP 17 (MTDEN)

Lat: 47.30023°NLon: 109.85117°WElev: 3648.0ft.

NA

62°F

17°C

Humidity 72%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 17 Aug 08:00 AM MDT
Extended Forecast for

Square Butte MT

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. Light and variable wind becoming north northwest 5 to 7 mph in the morning.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 59. South southeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 59 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after noon. Widespread haze between noon and 1pm. Mostly sunny, with a high near 90. Calm wind becoming east around 6 mph in the afternoon.

    High: 90 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. East northeast wind around 6 mph becoming south after midnight.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96. Light and variable wind becoming north around 6 mph in the afternoon.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Northeast wind around 7 mph becoming south southwest after midnight.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. West southwest wind 6 to 10 mph becoming northwest in the afternoon.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61. North wind 7 to 10 mph becoming west after midnight.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. Light and variable wind becoming north northwest 5 to 7 mph in the morning.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 59. South southeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Monday
A 30 percent chance of showers after noon. Widespread haze between noon and 1pm. Mostly sunny, with a high near 90. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 63. East northeast wind around 6 mph becoming south after midnight.
Tuesday
Sunny and hot, with a high near 96. Light and variable wind becoming north around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 63. Northeast wind around 7 mph becoming south southwest after midnight.
Wednesday
Sunny, with a high near 94. West southwest wind 6 to 10 mph becoming northwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61. North wind 7 to 10 mph becoming west after midnight.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Square Butte MT
 47.52°N 110.19°W (Elev. 3235 ft)
Last Update:
3:16 am MDT Aug 17, 2025
Forecast Valid:
8am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
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