Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

McCook, McCook Municipal Airport (KMCK)

Lat: 40.2°NLon: 100.59°WElev: 2579ft.

Fair

84°F

29°C

Humidity 48%
Wind Speed W 14 G 21 mph
Barometer 30.02 in (1013.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 Aug 11:53 am CDT
Extended Forecast for

Trenton NE

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. Northwest wind 5 to 10 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. North wind 5 to 10 mph becoming east after midnight.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. South wind 5 to 15 mph.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 65. Southeast wind 5 to 10 mph.

    Low: 65 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny and hot, with a high near 100. South wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Northwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 63. North wind 5 to 10 mph becoming east after midnight.
Thursday
Sunny, with a high near 95. South wind 5 to 15 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65. Southeast wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 96.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 95.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 96.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Trenton NE
 40.17°N 101.02°W
9:36 am CDT Aug 19, 2026
12pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database