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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

ZORTMAN BLM (ALDM8)

Lat: 47.91189°NLon: 108.50389°WElev: 3980.0ft.

NA

46°F

8°C

Humidity 82%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 18 Jun 12:32 AM MDT
Extended Forecast for

Zortman MT

  • Overnight

    Overnight: Partly cloudy, with a low around 44. West northwest wind around 6 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 4pm. High near 63. West northwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    High: 63 °F

    Showers
    Likely then
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 7pm. Mostly clear, with a low around 43. Northwest wind 7 to 16 mph, with gusts as high as 26 mph.

    Low: 43 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 67. North northwest wind 5 to 8 mph becoming east in the afternoon.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. East southeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. East southeast wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51. East southeast wind 10 to 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 51 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. West northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 67 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 44. West northwest wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. West northwest wind around 6 mph.
Thursday
Showers and thunderstorms, mainly before 4pm. High near 63. West northwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Thursday Night
A 20 percent chance of showers before 7pm. Mostly clear, with a low around 43. Northwest wind 7 to 16 mph, with gusts as high as 26 mph.
Juneteenth
Sunny, with a high near 67. North northwest wind 5 to 8 mph becoming east in the afternoon.
Friday Night
Mostly cloudy, with a low around 49. East southeast wind around 11 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 72. East southeast wind 11 to 17 mph, with gusts as high as 26 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51. East southeast wind 10 to 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. West northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 44. West northwest wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 45. North northwest wind 6 to 11 mph becoming light west northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Zortman MT
 47.91°N 108.53°W (Elev. 4134 ft)
Last Update:
12:26 am MDT Jun 18, 2026
Forecast Valid:
12am MDT Jun 18, 2026-6pm MDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation