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

Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Hays Site MT-66 MP 10.5 (MTHAY)

Lat: 47.91928°NLon: 108.72611°WElev: 3898.0ft.

NA

29°F

-2°C

Humidity 33%
Wind Speed WSW 16 MPH
Barometer NA
Dewpoint 3°F (-16°C)
Visibility NA
Wind Chill17°F (-8°C)
Last update 16 Apr 07:30 PM MDT
Extended Forecast for

5 Miles WSW Zortman MT

Lake Wind Advisory April 16, 07:57pm until April 16, 09:00pm
Click here for hazard details and duration
...
  •  
    Lake Wind Advisory April 16, 07:57pm until April 16, 09:00pm

    NOW until 9:00pm Thu

    Lake Wind Advisory

  • Tonight

    Low: 16 °F

    Slight Chance
    Snow Showers
    and Patchy
    Freezing Fog

  • Friday

    Friday: Mostly sunny, with a high near 39. Northwest wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. West northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 52. West wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. West northwest wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. South wind around 9 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 67. West wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 67 °F

    Sunny

Detailed Forecast

Tonight
A slight chance of snow showers between 11pm and 2am. Patchy freezing fog between 11pm and midnight. Mostly cloudy, with a low around 16. Northwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 39. Northwest wind 14 to 18 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 24. West northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Saturday
Sunny, with a high near 52. West wind 7 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 32. West northwest wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 62. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 43. South wind around 9 mph.
Monday
Sunny, with a high near 67. West wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 44. North wind 7 to 10 mph becoming southeast after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 72. Southeast wind 8 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 49. West southwest wind 9 to 13 mph becoming east northeast after midnight. Winds could gust as high as 21 mph.
Wednesday
A chance of showers. Mostly sunny, with a high near 73.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 46.
Thursday
A chance of showers. Mostly cloudy, with a high near 57. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Zortman MT
 47.9°N 108.62°W (Elev. 4521 ft)
Last Update:
3:40 pm MDT Apr 16, 2026
Forecast Valid:
7pm MDT Apr 16, 2026-6pm MDT Apr 23, 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