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

50°F

10°C

Humidity 68%
Wind Speed WNW 6 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 18 Jun 04:32 AM MDT
Extended Forecast for

4 Miles W Zortman MT

  • Today

    Today: Showers and thunderstorms, mainly before 3pm. High near 59. Northwest wind 6 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 59 °F

    Showers
    Likely then
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 7pm. Mostly clear, with a low around 41. Northwest wind 7 to 17 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 63. North northwest wind 5 to 7 mph becoming east in the afternoon.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47. East southeast wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68. East southeast wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. East southeast wind 11 to 16 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 50%.

    Low: 49 °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 62. West northwest wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 62 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 42. West northwest wind 7 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 58 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms, mainly before 3pm. High near 59. Northwest wind 6 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Tonight
A 20 percent chance of showers before 7pm. Mostly clear, with a low around 41. Northwest wind 7 to 17 mph, with gusts as high as 25 mph.
Juneteenth
Sunny, with a high near 63. North northwest wind 5 to 7 mph becoming east in the afternoon.
Friday Night
Mostly cloudy, with a low around 47. East southeast wind 11 to 14 mph, with gusts as high as 23 mph.
Saturday
Partly sunny, with a high near 68. East southeast wind 15 to 17 mph, with gusts as high as 28 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. East southeast wind 11 to 16 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 62. West northwest wind 11 to 16 mph, with gusts as high as 26 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 42. West northwest wind 7 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 58. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 42. North northwest wind 6 to 11 mph becoming light northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 66. Light and variable wind becoming east 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Zortman MT
 47.92°N 108.62°W (Elev. 5000 ft)
Last Update:
5:15 am MDT Jun 18, 2026
Forecast Valid:
5am 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation