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

MDA Edgar (MTM50)

Lat: 45.46°NLon: 108.86°WElev: 3494.0ft.

NA

44°F

7°C

Humidity 35%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 20 Apr 07:00 AM MDT
Extended Forecast for

Joliet MT

  • Today

    Today: Sunny, with a high near 78. South southwest wind 6 to 10 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southwest wind 7 to 9 mph.

    Low: 43 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. South wind 9 to 17 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. South southwest wind 6 to 13 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 75. South southwest wind 8 to 13 mph increasing to 20 to 25 mph in the afternoon. Chance of precipitation is 50%.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight, then rain after midnight. Low around 38. West southwest wind 17 to 22 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Showers

  • Thursday

    Thursday: Rain before 9am, then rain, possibly mixed with snow. High near 49. Northwest wind 25 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Northwest wind 23 to 28 mph decreasing to 15 to 20 mph after midnight. Chance of precipitation is 40%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday

    Friday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 46. North northwest wind 14 to 18 mph. Chance of precipitation is 60%.

    High: 46 °F

    Snow Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 78. South southwest wind 6 to 10 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southwest wind 7 to 9 mph.
Tuesday
Mostly sunny, with a high near 84. South wind 9 to 17 mph.
Tuesday Night
Mostly cloudy, with a low around 49. South southwest wind 6 to 13 mph.
Wednesday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 75. South southwest wind 8 to 13 mph increasing to 20 to 25 mph in the afternoon. Chance of precipitation is 50%.
Wednesday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight, then rain after midnight. Low around 38. West southwest wind 17 to 22 mph. Chance of precipitation is 80%.
Thursday
Rain before 9am, then rain, possibly mixed with snow. High near 49. Northwest wind 25 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Northwest wind 23 to 28 mph decreasing to 15 to 20 mph after midnight. Chance of precipitation is 40%.
Friday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 46. North northwest wind 14 to 18 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 24. North wind 8 to 18 mph.
Saturday
A 20 percent chance of snow showers. Mostly sunny, with a high near 49. West wind 7 to 14 mph becoming north in the afternoon.
Saturday Night
Mostly cloudy, with a low around 25. North wind 7 to 13 mph.
Sunday
A 20 percent chance of snow showers. Partly sunny, with a high near 48. North northeast wind 7 to 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Joliet MT
 45.48°N 108.97°W (Elev. 3757 ft)
Last Update:
12:48 am MDT Apr 20, 2026
Forecast Valid:
8am MDT Apr 20, 2026-6pm MDT Apr 26, 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