Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

St George Regional Airport (KSGU)

Lat: 37.0451°NLon: 113.50561°WElev: 2872.0ft.

Overcast

45°F

7°C

Humidity 56%
Wind Speed SSW 17 MPH
Barometer 29.61 in (1002.71 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 18 Feb 04:35 AM MST
Extended Forecast for

6 Miles NNE Washington UT

Winter Storm Warning February 18, 04:58am until February 18, 05:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 18, 04:58am until February 18, 05:00pm

    NOW until 5:00pm Wed

    Winter Storm Warning

  • Overnight

    Low: 37 °F

    Snow

  • Wednesday

    Wednesday: Snow before 8am, then a chance of snow showers between 8am and 2pm. Some thunder is also possible.  Steady temperature around 36. West wind 16 to 21 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 36 °F

    Snow then
    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 22. West wind 6 to 11 mph becoming north northeast after midnight.

    Low: 22 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of snow after 11am.  Increasing clouds, with a high near 38. Northeast wind 6 to 8 mph becoming south southeast in the afternoon.  New snow accumulation of less than one inch possible.

    High: 38 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Snow.  Low around 27. South southwest wind 7 to 10 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Snow

  • Friday

    Friday: A 30 percent chance of snow before 11am.  Mostly sunny, with a high near 37. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

Detailed Forecast

Overnight
Snow. Steady temperature around 37. South southwest wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow before 8am, then a chance of snow showers between 8am and 2pm. Some thunder is also possible. Steady temperature around 36. West wind 16 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Mostly clear, with a low around 22. West wind 6 to 11 mph becoming north northeast after midnight.
Thursday
A 40 percent chance of snow after 11am. Increasing clouds, with a high near 38. Northeast wind 6 to 8 mph becoming south southeast in the afternoon. New snow accumulation of less than one inch possible.
Thursday Night
Snow. Low around 27. South southwest wind 7 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday
A 30 percent chance of snow before 11am. Mostly sunny, with a high near 37. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around 21.
Saturday
Sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 34.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
A slight chance of rain. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Washington UT
 37.22°N 113.46°W (Elev. 4596 ft)
2:07 am MST Feb 18, 2026
4am MST Feb 18, 2026-6pm MST Feb 24, 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