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 >

Current conditions at

Ottawa Municipal Airport (KOWI)

Lat: 38.54°NLon: 95.25°WElev: 958ft.

Fair

75°F

24°C

Humidity 83%
Wind Speed NE 3 mph
Barometer 29.85 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 18 Aug 10:45 pm CDT
Extended Forecast for

5 Miles E Osawatomie KS

Severe T-storm Watch until August 19, 04:00am
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until August 19, 04:00am

    NOW until 4:00am Wed

    Severe T-storm Watch

  • Tonight

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly before 8am.  Partly sunny, with a high near 84. East wind around 7 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. North wind around 6 mph becoming calm  in the evening.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 87. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Light east wind.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 70. East northeast wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 84. East wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 67. North wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 87. Calm wind becoming east northeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 66. Light east wind.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 68.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 71.
Monday
Mostly sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Osawatomie KS
 38.51°N 94.86°W (Elev. 863 ft)
10:01 pm CDT Aug 18, 2026
11pm CDT Aug 18, 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