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

Dense Plumes of Canadian Smoke Plague the Eastern U.S.

A persistent low pressure system in the Northeast combined with large Canadian wildfires producing a tremendous amount of smoke has resulted in deep plumes of smoke spreading into the Northeast, Mid-Atlantic, and Ohio Valleys. Unhealthy air quality alerts produced by the EPA are in effect for many high population urban centers along the I-95 corridor. Hazy conditions extend into the central U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874ft.

Clear

79°F

26°C

Humidity 47%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 08 Jun 11:20 AM MDT
Extended Forecast for

Helena MT

Flood Watch June 8, 12:00pm until June 9, 12:00am
Click here for hazard details and duration
Flood Watch

  • Today

    Today: Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 3pm, then showers and thunderstorms after 3pm. Some of the storms could produce heavy rain. Temperature falling to around 67 by 5pm. North wind 6 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 73 °F⇓

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 10pm. Low around 56. North northwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    T-storms then
    Mostly Cloudy

    Low: 56 °F

  • Friday

    Friday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 77. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%.

    Chance
    Showers then
    Showers
    Likely

    High: 77 °F

  • Friday
    Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 57. East northeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 70%.

    Showers
    Likely then
    Chance
    T-storms

    Low: 57 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 73. Calm wind becoming north northeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%.

    Chance
    Showers then
    Showers

    High: 73 °F

  • Saturday
    Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 56. North northeast wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 70%.

    Showers
    Likely then
    Slight Chance
    T-storms

    Low: 56 °F

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 74. Light and variable wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 80%.

    Chance
    Showers then
    Showers

    High: 74 °F

  • Sunday
    Night

    Sunday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 56. Northeast wind 6 to 9 mph becoming west northwest after midnight.

    Showers
    Likely

    Low: 56 °F

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 73.

    Showers

    High: 73 °F

Detailed Forecast

Today
Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 3pm, then showers and thunderstorms after 3pm. Some of the storms could produce heavy rain. Temperature falling to around 67 by 5pm. North wind 6 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before 10pm. Low around 56. North northwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 77. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 57. East northeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 73. Calm wind becoming north northeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 56. North northeast wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 70%.
Sunday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 74. Light and variable wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 56. Northeast wind 6 to 9 mph becoming west northwest after midnight.
Monday
A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 73.
Monday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 78.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Helena MT
 46.58°N 112.04°W (Elev. 4413 ft)
Last Update:
10:44 am MDT Jun 8, 2023
Forecast Valid:
11am MDT Jun 8, 2023-6pm MDT Jun 14, 2023
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation