Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Island, Central Nebraska Regional Airport (KGRI)

Lat: 40.96°NLon: 98.31°WElev: 1844ft.

Fair

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in (1017.4 mb)
Dewpoint 63°F (17°C)
Visibility 8.00 mi
Last update 20 Aug 1:53 am CDT
Extended Forecast for

2 Miles SSE Grand Island, Central Nebraska Regional Airport NE

  • Overnight

    Overnight: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 62. East wind around 5 mph becoming calm.

    Low: 62 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 10am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning.

    High: 83 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 11pm.  Mostly clear, with a low around 65. South southwest wind around 5 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 85. South southwest wind 5 to 10 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 64. East wind 5 to 10 mph becoming north northwest after midnight.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of thunderstorms before 7am.  Mostly sunny, with a high near 81. Chance of precipitation is 10%.

    High: 81 °F

    Slight Chance
    T-storms then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm.  Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 62. East wind around 5 mph becoming calm.
Thursday
Areas of fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning.
Thursday Night
A 20 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 65. South southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 85. South southwest wind 5 to 10 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64. East wind 5 to 10 mph becoming north northwest after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 81. Chance of precipitation is 10%.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 78.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 65.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Grand Island, Central Nebraska Regional Airport NE
 40.97°N 98.31°W (Elev. 1844 ft)
1:31 am CDT Aug 20, 2026
1am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

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