Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Alpine (K46U)

Lat: 43.1846°NLon: 111.0424°WElev: 5634.0ft.

Partly Cloudy

63°F

17°C

Humidity 67%
Wind Speed SE 9 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 17 Aug 08:15 PM MDT
Extended Forecast for

12 Miles WSW Rafter J Ranch WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. South southeast wind 6 to 8 mph becoming north northwest in the evening.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Isolated showers between 1pm and 3pm.  Mostly cloudy, with a high near 68. South southwest wind 5 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    High: 68 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. West southwest wind 5 to 9 mph becoming east after midnight.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 69. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. West northwest wind 5 to 9 mph becoming east after midnight.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 73. East wind 6 to 9 mph becoming west in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. North northwest wind around 6 mph becoming east after midnight.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 56. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. South southeast wind 6 to 8 mph becoming north northwest in the evening.
Tuesday
Isolated showers between 1pm and 3pm. Mostly cloudy, with a high near 68. South southwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 51. West southwest wind 5 to 9 mph becoming east after midnight.
Wednesday
Sunny, with a high near 69. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 52. West northwest wind 5 to 9 mph becoming east after midnight.
Thursday
Mostly sunny, with a high near 73. East wind 6 to 9 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 55. North northwest wind around 6 mph becoming east after midnight.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 20%.
Saturday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 65.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WSW Rafter J Ranch WY
 43.33°N 110.99°W (Elev. 8455 ft)
8:17 pm MDT Aug 17, 2026
8pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database