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

Lander (KLND)

Lat: 42.81472°NLon: 108.72806°WElev: 5587.0ft.

Clear

61°F

16°C

Humidity 63%
Wind Speed NA NA MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Aug 01:20 AM MDT
Extended Forecast for

20 Miles ENE South Pass City WY

  • Overnight

    Overnight: Mostly cloudy, with a low around 60. West southwest wind 3 to 6 mph.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 75. Light and variable wind becoming west northwest 5 to 8 mph in the morning.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm.  Mostly cloudy, with a low around 55. South southwest wind 5 to 8 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 79. Calm wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. North wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. Northwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 60. West southwest wind 3 to 6 mph.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 75. Light and variable wind becoming west northwest 5 to 8 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 55. South southwest wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 79. Calm wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 58. North wind 5 to 8 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 85. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 61. Northwest wind 5 to 9 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 86.
Friday Night
Mostly cloudy, with a low around 64.
Saturday
A 10 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 83.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles ENE South Pass City WY
 42.6°N 108.47°W (Elev. 6867 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

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database