Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

McCook, McCook Municipal Airport (KMCK)

Lat: 40.2°NLon: 100.59°WElev: 2579ft.

A Few Clouds

92°F

33°C

Humidity 40%
Wind Speed S 10 mph
Barometer 30.03 in (1014.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 17 Aug 6:53 pm CDT
Extended Forecast for

Culbertson NE

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 8pm and 9pm.  Mostly clear, with a low around 65. South wind 10 to 15 mph.  Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. East wind 5 to 15 mph becoming northeast in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am.  Increasing clouds, with a low around 64. Northeast wind 5 to 15 mph.  Chance of precipitation is 60%.

    Low: 64 °F

    Partly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 86. Northeast wind around 5 mph becoming southeast in the afternoon.  Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 61. Southeast wind 5 to 10 mph.

    Low: 61 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 8pm and 9pm. Mostly clear, with a low around 65. South wind 10 to 15 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 93. East wind 5 to 15 mph becoming northeast in the afternoon.
Tuesday Night
Showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 64. Northeast wind 5 to 15 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Northeast wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. Southeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 95.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Culbertson NE
 40.22°N 100.85°W
7:36 pm CDT Aug 17, 2026
7pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database