Severe Weather in the Central Plains; Fire Concerns in the Southern High Plains and Southwest; Late-Season Mountain Snow

Severe storms, including large hail, wind, and perhaps a couple of tornadoes, are possible in the central Plains. Dry, windy conditions and lightning from dry thunderstorms may produce hazardous fire conditions in the Southwest and southern High Plains. Late-season snow is expected in the Northwest and the Great Basin. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

JETTE (JETM8)

Lat: 47.76706°NLon: 114.23378°WElev: 3593.0ft.

NA

36°F

2°C

Humidity 87%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 17 May 01:43 AM MDT
Extended Forecast for

5 Miles N Big Arm MT

Frost Advisory until May 17, 09:00am
Frost Advisory May 17, 08:00pm until May 18, 09:00am
Click here for hazard details and duration
Frost Advisory
Frost Advisory
  •  
    Frost Advisory until May 17, 09:00am

    NOW until 9:00am Sun

    Frost Advisory

  • Overnight

    Low: 31 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: Rain and snow likely before 9am, then a slight chance of rain between 9am and noon.  Cloudy, then gradually becoming mostly sunny, with a high near 54. Calm wind becoming north 5 to 7 mph in the afternoon.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 54 °F

    Rain/Snow
    Likely then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 31. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 31 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost, mainly before 7am.  Otherwise, sunny, with a high near 61. Calm wind.

    High: 61 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Areas of frost after 5am.  Otherwise, partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy
    then Areas
    Frost

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Areas of frost before 7am.  Otherwise, partly sunny, with a high near 63.

    High: 63 °F

    Areas Frost
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before midnight.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly after noon.  Partly sunny, with a high near 65.

    High: 65 °F

    Chance Rain

Detailed Forecast

Overnight
A chance of rain and snow after 5am. Mostly cloudy, with a low around 31. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
Rain and snow likely before 9am, then a slight chance of rain between 9am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 54. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 31. North northeast wind around 6 mph becoming calm in the evening.
Monday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 61. Calm wind.
Monday Night
Areas of frost after 5am. Otherwise, partly cloudy, with a low around 36. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Areas of frost before 7am. Otherwise, partly sunny, with a high near 63.
Tuesday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 40.
Wednesday
A chance of rain, mainly after noon. Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 44.
Friday
A chance of rain and thunderstorms. Partly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Big Arm MT
 47.86°N 114.3°W (Elev. 2972 ft)
2:01 am MDT May 17, 2026
2am MDT May 17, 2026-6pm MDT May 23, 2026
 
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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