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

HORSE THIEF (HORM8)

Lat: 46.42581°NLon: 108.6745°WElev: 3414.0ft.

NA

63°F

17°C

Humidity 74%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 17 Aug 07:39 AM MDT
Extended Forecast for

16 Miles E Harlowton MT

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 5pm. Areas of smoke before 9am. Increasing clouds, with a high near 86. Northwest wind 5 to 9 mph becoming southeast in the afternoon.

    High: 86 °F

    Areas Smoke
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 52. West wind 5 to 9 mph becoming north in the evening. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 89. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. South southeast wind 5 to 8 mph becoming north after midnight.

    Low: 58 °F

    Mostly Clear

  • Tuesday

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

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. East southeast wind 6 to 8 mph becoming north northeast after midnight.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. West wind 7 to 11 mph.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Northwest wind 9 to 11 mph.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 84. Northwest wind 9 to 11 mph.

    High: 84 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Areas of smoke before 9am. Increasing clouds, with a high near 86. Northwest wind 5 to 9 mph becoming southeast in the afternoon.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 52. West wind 5 to 9 mph becoming north in the evening. Chance of precipitation is 50%.
Monday
Sunny, with a high near 89. Light and variable wind becoming south 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 58. South southeast wind 5 to 8 mph becoming north after midnight.
Tuesday
Sunny and hot, with a high near 96. Northwest wind around 6 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 58. East southeast wind 6 to 8 mph becoming north northeast after midnight.
Wednesday
Sunny and hot, with a high near 95. West wind 7 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 58. Northwest wind 9 to 11 mph.
Thursday
Sunny, with a high near 84. Northwest wind 9 to 11 mph.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 52. East northeast wind 8 to 10 mph.
Friday
Sunny, with a high near 79. East wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 50. East northeast wind 6 to 11 mph.
Saturday
Sunny, with a high near 81. Northeast wind 6 to 10 mph becoming east southeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles E Harlowton MT
 46.47°N 109.49°W (Elev. 4075 ft)
Last Update:
5:08 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