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.

Overcast

55°F

13°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Aug 01:10 AM MDT
Extended Forecast for

9 Miles WSW Bondurant WY

  • Overnight

    Overnight: A slight chance of showers before 4am, then a slight chance of showers after 5am.  Mostly cloudy, with a low around 50. Southwest wind 6 to 8 mph.  Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 59. West southwest wind 5 to 13 mph becoming south southeast in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 46. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63. Light and variable wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. West northwest wind 7 to 13 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. South southeast wind 5 to 10 mph becoming west in the afternoon.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. West wind 7 to 9 mph becoming south southeast in the evening.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after midnight.  Mostly cloudy, with a low around 50. Chance of precipitation is 30%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 50. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 59. West southwest wind 5 to 13 mph becoming south southeast in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 46. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 63. Light and variable wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 48. West northwest wind 7 to 13 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.
Thursday
Sunny, with a high near 68. South southeast wind 5 to 10 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 52. West wind 7 to 9 mph becoming south southeast in the evening.
Friday
Mostly sunny, with a high near 70.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Sunday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 60.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WSW Bondurant WY
 43.15°N 110.58°W (Elev. 10102 ft)
1:02 am MDT Aug 18, 2026
1am MDT Aug 18, 2026-6pm MDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database