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

Valentine, Miller Field (KVTN)

Lat: 42.86°NLon: 100.55°WElev: 2589ft.

Fair

77°F

25°C

Humidity 66%
Wind Speed E 6 mph
Barometer 30.00 in (1014.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Aug 7:52 pm CDT
Extended Forecast for

Sparks NE

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 60. East wind around 5 mph becoming southwest after midnight.  Chance of precipitation is 60%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 3pm.  Mostly sunny, with a high near 80. West wind around 5 mph becoming east in the afternoon.  Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Southeast wind 5 to 10 mph becoming south southwest after midnight.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Southwest wind 5 to 10 mph becoming north northwest in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. North wind around 5 mph becoming south after midnight.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Mostly clear, with a low around 61.

    Low: 61 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 60. East wind around 5 mph becoming southwest after midnight. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely, mainly before 3pm. Mostly sunny, with a high near 80. West wind around 5 mph becoming east in the afternoon. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 59. Southeast wind 5 to 10 mph becoming south southwest after midnight.
Thursday
Sunny, with a high near 88. Southwest wind 5 to 10 mph becoming north northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 62. North wind around 5 mph becoming south after midnight.
Friday
Sunny, with a high near 86.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 63.
Sunday
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 84.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparks NE
 42.95°N 100.27°W
5:28 pm CDT Aug 18, 2026
8pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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