Severe Weather Across the Center of the Nation; Fire Weather Concerns for Southwest and California; Snow for the Central Rockies

Severe thunderstorms will continue to impact the center of the Nation through today. Very large hail, strong tornadoes, and damaging winds are expected from the Great Lakes into the central/southern Plains; Flash flooding is possible for portions into the mid-Mississippi Valley. Critical fire weather conditions for the Southwest and central valley of California today. Winter hangs on for Rockies. Read More >

Current conditions at

Ottawa Municipal Airport (KOWI)

Lat: 38.54°NLon: 95.25°WElev: 958ft.

A Few Clouds and Windy

84°F

29°C

Humidity 66%
Wind Speed S 30 G 40 mph
Barometer 29.65 in
Dewpoint 72°F (22°C)
Visibility NA
Heat Index89°F (32°C)
Last update 18 May 4:55 pm CDT
Extended Forecast for

5 Miles ENE Williamsburg KS

Flood Watch May 18, 05:02pm until May 19, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch May 18, 05:02pm until May 19, 07:00am

    NOW until 7:00am Tue

    Flood Watch

  • Tonight

    Low: 54 °F

    Severe
    Thunderstorms
    and Breezy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 8am.  Mostly cloudy, with a high near 65. North wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 50. Northeast wind 5 to 10 mph.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm.  Cloudy, with a high near 67. East wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 55. East wind 5 to 10 mph.  Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 74. East wind 5 to 10 mph becoming northwest in the afternoon.

    High: 74 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could be severe and produce heavy rainfall. Low around 54. Breezy, with a south wind 15 to 25 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 90%.
Tuesday
A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 8am. Mostly cloudy, with a high near 65. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 47. North wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 66. Northeast wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 50. Northeast wind 5 to 10 mph.
Thursday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 67. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm. Low around 55. East wind 5 to 10 mph. Chance of precipitation is 80%.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 74. East wind 5 to 10 mph becoming northwest in the afternoon.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 55. Northeast wind around 5 mph becoming west after midnight. Chance of precipitation is 40%.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Memorial Day
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Williamsburg KS
 38.51°N 95.37°W
3:51 pm CDT May 18, 2026
5pm CDT May 18, 2026-6pm CDT May 25, 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