Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

STILLWATER (STWM8)

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

NA

54°F

12°C

Humidity 74%
Wind Speed SE 3 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 19 May 04:00 PM MDT
Extended Forecast for

15 Miles NW Whitefish MT

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 62. Light southwest wind.

    High: 62 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 8pm.  Mostly cloudy, with a low around 33. Light and variable wind.

    Low: 33 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of rain and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 61. Calm wind.  Chance of precipitation is 60%.

    High: 61 °F

    Chance Rain
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain before 10pm.  Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Chance Rain
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Calm wind.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 62. Light southwest wind.
Tonight
A 30 percent chance of rain, mainly before 8pm. Mostly cloudy, with a low around 33. Light and variable wind.
Wednesday
A chance of rain and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 61. Calm wind. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of rain before 10pm. Partly cloudy, with a low around 31. Calm wind.
Thursday
Sunny, with a high near 67. Calm wind.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 39.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 41.
Memorial Day
A slight chance of showers and thunderstorms. Partly sunny, with a high near 69.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NW Whitefish MT
 48.55°N 114.57°W (Elev. 3199 ft)
2:01 pm MDT May 19, 2026
5pm MDT May 19, 2026-6pm MDT May 26, 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