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

STILLWATER (STWM8)

Lat: 48.53944°NLon: 114.55944°WElev: 3116.0ft.

NA

44°F

7°C

Humidity 90%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 18 Jun 03:00 AM MDT
Extended Forecast for

12 Miles SW Polebridge MT

  • Overnight

    Overnight: Partly cloudy, with a low around 43. Northwest wind around 8 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 55. West wind 6 to 9 mph.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. Northwest wind 9 to 14 mph becoming east after midnight.

    Low: 40 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 59. East wind around 9 mph becoming south in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. South wind around 9 mph becoming north after midnight.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of rain before midnight. Partly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 43. Northwest wind around 8 mph.
Thursday
Mostly sunny, with a high near 55. West wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 40. Northwest wind 9 to 14 mph becoming east after midnight.
Juneteenth
Mostly sunny, with a high near 59. East wind around 9 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 46. South wind around 9 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 54.
Sunday Night
A slight chance of rain before midnight. Partly cloudy, with a low around 37.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SW Polebridge MT
 48.64°N 114.5°W (Elev. 6801 ft)
Last Update:
2:01 am MDT Jun 18, 2026
Forecast Valid:
3am 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