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

Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Casper, Natrona County International Airport (KCPR)

Lat: 42.8975°NLon: 106.47306°WElev: 5348.0ft.

Overcast

10°F

-12°C

Humidity 72%
Wind Speed ENE 17 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 23 Jan 01:53 AM MST
Extended Forecast for

Mills WY

  • Overnight

    Overnight: A 40 percent chance of snow showers after 3am. Cloudy, with a low around 8. Wind chill values as low as -5. East northeast wind around 14 mph, with gusts as high as 21 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 8 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly between 7am and 10am. Cloudy, with a high near 13. Wind chill values as low as -10. East wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 13 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of snow showers, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around -5. Wind chill values as low as -15. Northeast wind 5 to 8 mph becoming light and variable after midnight. Little or no snow accumulation expected.

    Low: -5 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 23. Wind chill values as low as -15. Light southwest wind becoming west 5 to 9 mph in the morning.

    High: 23 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 3. West northwest wind around 6 mph.

    Low: 3 °F

    Slight Chance
    Snow Showers

  • Sunday

    Sunday: A 30 percent chance of snow showers before 11am. Partly sunny, with a high near 19. North wind 6 to 11 mph becoming west in the afternoon.

    High: 19 °F

    Chance Snow
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 9. Breezy, with a southwest wind 8 to 17 mph, with gusts as high as 26 mph.

    Low: 9 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Monday

    Monday: Sunny, with a high near 40. Breezy.

    High: 40 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of snow showers after 3am. Cloudy, with a low around 8. Wind chill values as low as -5. East northeast wind around 14 mph, with gusts as high as 21 mph. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly between 7am and 10am. Cloudy, with a high near 13. Wind chill values as low as -10. East wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A 40 percent chance of snow showers, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around -5. Wind chill values as low as -15. Northeast wind 5 to 8 mph becoming light and variable after midnight. Little or no snow accumulation expected.
Saturday
Mostly sunny, with a high near 23. Wind chill values as low as -15. Light southwest wind becoming west 5 to 9 mph in the morning.
Saturday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 3. West northwest wind around 6 mph.
Sunday
A 30 percent chance of snow showers before 11am. Partly sunny, with a high near 19. North wind 6 to 11 mph becoming west in the afternoon.
Sunday Night
Mostly clear, with a low around 9. Breezy, with a southwest wind 8 to 17 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 40. Breezy.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mills WY
 42.85°N 106.37°W (Elev. 5161 ft)
Last Update:
2:01 am MST Jan 23, 2026
Forecast Valid:
2am MST Jan 23, 2026-6pm MST Jan 29, 2026
 
Forecast Discussion
 
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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