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

O'Neill / Baker Field (KONL)

Lat: 42.47°NLon: 98.68°WElev: 2031ft.

Fair

68°F

20°C

Humidity 82%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 Aug 9:35 pm CDT
Extended Forecast for

10 Miles S Monowi NE

  • Tonight

    Tonight: Mostly clear, with a low around 61. South southwest wind 5 to 10 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, sunny, with a high near 87. South southwest wind around 10 mph.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Mostly clear, with a low around 64. South southwest wind around 5 mph.

    Low: 64 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm.  Sunny, with a high near 86. Southwest wind around 5 mph becoming east southeast in the afternoon.  Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Mostly clear, with a low around 64. East southeast wind around 5 mph becoming northeast after midnight.

    Low: 64 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    Showers

  • Sunday Night

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

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 61. South southwest wind 5 to 10 mph.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 87. South southwest wind around 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 64. South southwest wind around 5 mph.
Friday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm. Sunny, with a high near 86. Southwest wind around 5 mph becoming east southeast in the afternoon. Chance of precipitation is 30%.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 64. East southeast wind around 5 mph becoming northeast after midnight.
Saturday
Sunny, with a high near 82.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79.
Sunday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64.
Monday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles S Monowi NE
 42.69°N 98.34°W
6:07 pm CDT Aug 19, 2026
9pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database