Severe Weather Across the Center of the Nation; Fire Weather Concerns for Southwest and California; Snow for the Central Rockies

Severe thunderstorms will continue to impact the center of the Nation through today. Very large hail, strong tornadoes, and damaging winds are expected from the Great Lakes into the central/southern Plains; Flash flooding is possible for portions into the mid-Mississippi Valley. Critical fire weather conditions for the Southwest and central valley of California today. Winter hangs on for Rockies. Read More >

Current conditions at

I80/US30 - Peru Hill (KCMS)

Lat: 41.54958°NLon: 109.60197°WElev: 6407.0ft.

light snow

28°F

-2°C

Humidity 93%
Wind Speed N 29 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility 0.30 mi
Wind Chill12°F (-11°C)
Last update 18 May 07:42 AM MDT
Extended Forecast for

22 Miles NNE Granger WY

Winter Weather Advisory May 18, 07:49am until May 18, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory May 18, 07:49am until May 18, 06:00pm

    NOW until 6:00pm Mon

    Winter Weather Advisory

  • Today

    High: 41 °F

    Snow Showers
    and Breezy
    then Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow showers before 9pm, then a chance of snow showers between 9pm and 11pm.  Mostly cloudy, with a low around 21. South southeast wind 5 to 10 mph becoming light and variable  after midnight.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 21 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. South wind around 5 mph becoming calm  in the evening.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 59. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. West southwest wind 5 to 10 mph becoming light southwest  in the evening.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 62. Breezy, with a light and variable wind becoming west northwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Today
Snow showers before 2pm, then a chance of rain and snow showers. Some thunder is also possible. High near 41. Breezy, with a north northeast wind 6 to 15 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
A chance of rain and snow showers before 9pm, then a chance of snow showers between 9pm and 11pm. Mostly cloudy, with a low around 21. South southeast wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 50. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 21. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 59. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 29. West southwest wind 5 to 10 mph becoming light southwest in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62. Breezy, with a light and variable wind becoming west northwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Sunny, with a high near 76. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNE Granger WY
 41.9°N 109.85°W (Elev. 6302 ft)
6:02 am MDT May 18, 2026
7am MDT May 18, 2026-6pm MDT May 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