Winter Storm System To Bring Widespread Impacts Across the Eastern Half of the U.S. Through Midweek

A developing winter storm system will bring a swath of heavy snow and ice from Oklahoma into the Midwest, Ohio Valley, Mid Atlantic, and the Northeast U.S. Tuesday through Wednesday. Areas of dangerous travel are likely. Further South, several inches of heavy rain will lead to the potential for flooding in the lower Mississippi and Tennessee River Valleys. Read More >

Hazardous Weather Conditions

Current conditions at

South Pass WYO 28 near South Pass (KSOU)

Lat: 42.47752°NLon: 108.84441°WElev: 8185ft.

NA

-4°F

-20°C

Humidity 90%
Wind Speed WNW 6 G 6 MPH
Barometer NA
Dewpoint -6°F (-21°C)
Visibility 1.24 mi
Wind Chill-17°F (-27°C)
Last update 18 Feb 7:55 pm MST
Extended Forecast for

23 Miles E Boulder WY

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around -5 by 1am. Wind chill values as low as -20. Calm wind becoming northwest around 6 mph after midnight.

    Mostly Cloudy

    Low: -10 °F

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly after 10am.  Mostly sunny and cold, with a high near -2. Wind chill values as low as -25. West wind 6 to 10 mph.

    Chance Snow

    High: -2 °F

  • Tuesday
    Night

    Tuesday Night: Patchy blowing snow after 1am. Mostly clear, with a low around -12. Wind chill values as low as -35. Breezy, with a west wind 13 to 21 mph, with gusts as high as 31 mph.

    Breezy.
    Partly Cloudy
    then Patchy
    Blowing Snow

    Low: -12 °F

  • Wednesday

    Wednesday: A 40 percent chance of snow, mainly after 11am.  Areas of blowing snow before 5pm. Mostly cloudy and cold, with a high near 3. Wind chill values as low as -40. Blustery, with a west wind 18 to 24 mph, with gusts as high as 37 mph.  New snow accumulation of less than one inch possible.

    Chance Snow
    and Areas
    Blowing Snow

    High: 3 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of snow.  Patchy blowing snow before 4am, then patchy blowing snow after 5am. Mostly cloudy, with a low around -7. Breezy, with a west southwest wind 16 to 20 mph, with gusts as high as 30 mph.  New snow accumulation of less than one inch possible.

    Chance Snow
    and Patchy
    Blowing Snow

    Low: -7 °F

  • Thursday

    Thursday: Snow likely.  Patchy blowing snow. Mostly cloudy and cold, with a high near 2. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 60%.

    Snow Likely
    and Patchy
    Blowing Snow

    High: 2 °F

  • Thursday
    Night

    Thursday Night: Snow showers likely.  Cloudy, with a low around -7. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 70%.

    Snow Showers
    Likely and
    Breezy

    Low: -7 °F

  • Friday

    Friday: A 50 percent chance of snow showers.  Mostly cloudy and cold, with a high near 7. Breezy.

    Chance Snow
    Showers and
    Breezy

    High: 7 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of snow showers before 11pm.  Partly cloudy, with a low around -3. Breezy.

    Breezy.
    Slight Chance
    Snow Showers
    then Mostly
    Clear

    Low: -3 °F

Detailed Forecast

Tonight
Mostly cloudy, with a temperature rising to around -5 by 1am. Wind chill values as low as -20. Calm wind becoming northwest around 6 mph after midnight.
Tuesday
A 30 percent chance of snow, mainly after 10am. Mostly sunny and cold, with a high near -2. Wind chill values as low as -25. West wind 6 to 10 mph.
Tuesday Night
Patchy blowing snow after 1am. Mostly clear, with a low around -12. Wind chill values as low as -35. Breezy, with a west wind 13 to 21 mph, with gusts as high as 31 mph.
Wednesday
A 40 percent chance of snow, mainly after 11am. Areas of blowing snow before 5pm. Mostly cloudy and cold, with a high near 3. Wind chill values as low as -40. Blustery, with a west wind 18 to 24 mph, with gusts as high as 37 mph. New snow accumulation of less than one inch possible.
Wednesday Night
A 50 percent chance of snow. Patchy blowing snow before 4am, then patchy blowing snow after 5am. Mostly cloudy, with a low around -7. Breezy, with a west southwest wind 16 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.
Thursday
Snow likely. Patchy blowing snow. Mostly cloudy and cold, with a high near 2. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Thursday Night
Snow showers likely. Cloudy, with a low around -7. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.
Friday
A 50 percent chance of snow showers. Mostly cloudy and cold, with a high near 7. Breezy.
Friday Night
A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around -3. Breezy.
Saturday
A 20 percent chance of snow showers after 11am. Mostly sunny and cold, with a high near 8. Breezy.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around -3. Windy.
Sunday
A chance of snow showers. Partly sunny and cold, with a high near 8. Windy.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around -4. Windy.
Monday
A slight chance of snow showers. Mostly cloudy and cold, with a high near 5. Breezy.
Click Map For Forecast
Point Forecast:
23 Miles E Boulder WY
 42.7°N 109.17°W (Elev. 12287 ft)
7:45 pm MST Feb 18, 2019
8pm MST Feb 18, 2019-6pm MST Feb 25, 2019
 
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Additional Resources

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