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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 >

Hazardous Weather Conditions

Current conditions at

Glendive, Dawson Community Airport (KGDV)

Lat: 47.13333°NLon: 104.8°WElev: 2457.0ft.

Clear

66°F

19°C

Humidity 82%
Wind Speed N 3 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 Aug 02:20 AM MDT
Extended Forecast for

4 Miles WNW Glendive MT

Heat Advisory August 19, 10:00am until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 90. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. North northwest wind around 6 mph becoming calm after midnight.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Light east wind becoming south southeast 5 to 10 mph in the afternoon.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Southeast wind around 10 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. South southeast wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. West wind 8 to 10 mph becoming north after midnight.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84. North wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after midnight. Mostly clear, with a low around 56. North wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Clear
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 64. Calm wind.
Monday
Sunny, with a high near 90. Calm wind becoming south southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 63. North northwest wind around 6 mph becoming calm after midnight.
Tuesday
Sunny and hot, with a high near 100. Light east wind becoming south southeast 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 70. Southeast wind around 10 mph.
Wednesday
Sunny and hot, with a high near 103. South southeast wind 8 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 66. West wind 8 to 10 mph becoming north after midnight.
Thursday
Mostly sunny, with a high near 84. North wind 9 to 13 mph, with gusts as high as 21 mph.
Thursday Night
A 20 percent chance of showers after midnight. Mostly clear, with a low around 56. North wind 5 to 11 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 79. North northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 52. North wind 6 to 10 mph.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 80.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Glendive MT
 47.12°N 104.78°W (Elev. 2303 ft)
Last Update:
2:17 am MDT Aug 18, 2025
Forecast Valid:
2am MDT Aug 18, 2025-6pm MDT Aug 24, 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