Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Lexington, Jim Kelly Field Airport (KLXN)

Lat: 40.79°NLon: 99.78°WElev: 2415ft.

Fair

81°F

27°C

Humidity 63%
Wind Speed S 13 mph
Barometer 30.19 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 27 Aug 12:35 pm CDT
Extended Forecast for

Sumner NE

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm.  Sunny, with a high near 84. South wind around 10 mph.

    High: 84 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 4am.  Partly cloudy, with a low around 62. South southeast wind 5 to 10 mph.

    Low: 62 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 89. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 89 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 70. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 70 °F

    Increasing
    Clouds and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 94. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 84. South wind around 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 4am. Partly cloudy, with a low around 62. South southeast wind 5 to 10 mph.
Friday
Sunny, with a high near 89. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Increasing clouds, with a low around 70. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 94. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 88.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
Partly sunny, with a high near 88.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Sumner NE
 40.94°N 99.5°W (Elev. 2402 ft)
12:21 pm CDT Aug 27, 2026
12pm CDT Aug 27, 2026-6pm CDT Sep 2, 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