National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Ottawa Municipal Airport (KOWI)

Lat: 38.54°NLon: 95.25°WElev: 958ft.

Thunderstorm

70°F

21°C

Humidity 100%
Wind Speed N 5 mph
Barometer 29.96 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 4 Jul 7:55 pm CDT
Extended Forecast for

4 Miles N Williamsburg KS

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. Northeast wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88. East wind around 5 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. East wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Calm wind becoming east around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. East wind around 5 mph becoming calm after midnight.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. South wind 5 to 10 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind 5 to 10 mph.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 68. Northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 88. East wind around 5 mph.
Monday Night
Mostly clear, with a low around 67. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 90. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 68. East wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 93. South wind 5 to 10 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind 5 to 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 93.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Williamsburg KS
 38.53°N 95.45°W
Last Update:
6:16 pm CDT Jul 4, 2026
Forecast Valid:
8pm CDT Jul 4, 2026-6pm CDT Jul 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation