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

12 Miles S Iliad MT

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 82. West southwest wind 5 to 8 mph becoming north northwest in the afternoon.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 7pm.  Cloudy, then gradually becoming partly cloudy, with a low around 59. Southeast wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 59 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 87. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 87 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. East wind around 6 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. South southeast wind around 6 mph becoming light and variable.

    High: 94 °F

    Sunny

  • Tuesday Night

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

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Southwest wind 6 to 9 mph becoming northwest in the afternoon.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 61. West wind 6 to 9 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 82. West southwest wind 5 to 8 mph becoming north northwest in the afternoon.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 59. Southeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Monday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 87. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 63. East wind around 6 mph.
Tuesday
Sunny, with a high near 94. South southeast wind around 6 mph becoming light and variable.
Tuesday Night
Mostly clear, with a low around 63. Northeast wind around 7 mph becoming south after midnight.
Wednesday
Sunny, with a high near 90. Southwest wind 6 to 9 mph becoming northwest in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. West wind 6 to 9 mph.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles S Iliad MT
 47.63°N 109.77°W (Elev. 3301 ft)
3:16 am MDT Aug 17, 2025
8am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
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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