Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.642°NLon: 108.22633°WElev: 4426.0ft.

NA

40°F

4°C

Humidity 79%
Wind Speed N 10 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 18 Oct 04:25 AM MDT
Extended Forecast for

22 Miles NNW Arminto WY

  • Overnight

    Overnight: A 50 percent chance of snow showers.  Mostly cloudy, with a low around 25. Blustery, with a north northwest wind around 20 mph, with gusts as high as 30 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow
    Showers and
    Blustery

  • Saturday

    Saturday: A 50 percent chance of snow showers before 9am.  Cloudy through mid morning, then gradual clearing, with a high near 34. Breezy, with a north northwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 30 mph.  New snow accumulation of less than a half inch possible.

    High: 34 °F

    Breezy.
    Chance Snow
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Breezy, with a south southwest wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 28 mph.

    Low: 29 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 51. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 33 mph.

    High: 51 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and 11pm, then a chance of snow showers after 11pm.  Partly cloudy, with a low around 30. Breezy, with a west northwest wind 14 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Monday

    Monday: Sunny, with a high near 35. Breezy, with a northwest wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 35 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. Northwest wind 8 to 10 mph becoming south southwest after midnight.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
A 50 percent chance of snow showers. Mostly cloudy, with a low around 25. Blustery, with a north northwest wind around 20 mph, with gusts as high as 30 mph. Total nighttime snow accumulation of less than a half inch possible.
Saturday
A 50 percent chance of snow showers before 9am. Cloudy through mid morning, then gradual clearing, with a high near 34. Breezy, with a north northwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 30 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 29. Breezy, with a south southwest wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 28 mph.
Sunday
Mostly sunny, with a high near 51. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 33 mph.
Sunday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and 11pm, then a chance of snow showers after 11pm. Partly cloudy, with a low around 30. Breezy, with a west northwest wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Monday
Sunny, with a high near 35. Breezy, with a northwest wind 13 to 18 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 27. Northwest wind 8 to 10 mph becoming south southwest after midnight.
Tuesday
Sunny, with a high near 47.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 38.
Friday
Mostly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Arminto WY
 43.48°N 107.4°W (Elev. 8051 ft)
2:32 am MDT Oct 18, 2025
4am MDT Oct 18, 2025-6pm MDT Oct 24, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database