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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Marysville Municipal Airport (KMYZ)

Lat: 39.86°NLon: 96.63°WElev: 1283ft.

Fair

70°F

21°C

Humidity 94%
Wind Speed SE 3 mph
Barometer 30.09 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Sep 6:15 am CDT
Extended Forecast for

Washington KS

  • Today

    Today: Sunny, with a high near 94. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 70. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 85. Southwest wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 30%.

    High: 85 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 64. North wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 71. North wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 59. Northeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 68. North wind 5 to 10 mph.

    High: 68 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. North wind around 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66. Northeast wind around 5 mph.

    High: 66 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 94. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 70. South wind around 10 mph, with gusts as high as 20 mph.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 85. Southwest wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 30%.
Saturday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 64. North wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 71. North wind 5 to 10 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 59. Northeast wind around 5 mph. Chance of precipitation is 30%.
Monday
Mostly cloudy, with a high near 68. North wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 53. North wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 66. Northeast wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly cloudy, with a high near 67.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Washington KS
 39.8°N 97.07°W
Last Update:
5:46 am CDT Sep 18, 2026
Forecast Valid:
6am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation