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

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.64283°NLon: 108.227°WElev: 4419.52ft.

NA

102°F

39°C

Humidity 15%
Wind Speed N 2 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 46°F (8°C)
Visibility NA
Heat Index98°F (37°C)
Last update 12 Jul 12:10 PM MDT
Extended Forecast for

14 Miles NNE Lysite WY

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 97. South wind around 14 mph, with gusts as high as 21 mph.

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 66. Windy, with an east southeast wind 23 to 28 mph decreasing to 9 to 14 mph. Winds could gust as high as 37 mph.

    Low: 66 °F

    Mostly Clear
    and Windy

  • Monday

    Monday: Sunny, with a high near 94. North wind 6 to 11 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. Breezy, with an east wind 6 to 16 mph, with gusts as high as 24 mph.

    Low: 65 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Light north northeast wind becoming east 8 to 13 mph in the morning.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Breezy, with an east wind 8 to 17 mph, with gusts as high as 24 mph.

    Low: 65 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 94. Breezy, with a north wind 5 to 15 mph, with gusts as high as 21 mph.

    High: 94 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Breezy.

    Low: 63 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 97. South wind around 14 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 66. Windy, with an east southeast wind 23 to 28 mph decreasing to 9 to 14 mph. Winds could gust as high as 37 mph.
Monday
Sunny, with a high near 94. North wind 6 to 11 mph.
Monday Night
Mostly clear, with a low around 65. Breezy, with an east wind 6 to 16 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 95. Light north northeast wind becoming east 8 to 13 mph in the morning.
Tuesday Night
Mostly clear, with a low around 65. Breezy, with an east wind 8 to 17 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 94. Breezy, with a north wind 5 to 15 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 63. Breezy.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. Breezy.
Friday
Sunny, with a high near 91.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Saturday
A slight chance of showers and thunderstorms. Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NNE Lysite WY
 43.44°N 107.63°W (Elev. 6230 ft)
Last Update:
10:47 am MDT Jul 12, 2026
Forecast Valid:
12pm MDT Jul 12, 2026-6pm MDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation