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

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Hazardous Weather Conditions

Current conditions at

Manhattan, Manhattan Municipal Airport (KMHK)

Lat: 39.14°NLon: 96.68°WElev: 1053ft.

Fair

80°F

27°C

Humidity 74%
Wind Speed Calm
Barometer 29.88 in (1010.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 9 Aug 8:52 am CDT
Extended Forecast for

Chapman KS

  • Today

    Today: A 20 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 96. South wind around 10 mph.

    High: 96 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 74. Southeast wind 5 to 10 mph becoming northeast in the evening.

    Low: 74 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 91. South wind 5 to 10 mph becoming west in the morning. Chance of precipitation is 60%.

    High: 91 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 67. Northeast wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 67 °F

    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. North wind around 5 mph. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 85 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 87. Light south wind increasing to 5 to 10 mph in the morning.

    High: 87 °F

    Slight Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 96. South wind around 10 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 74. Southeast wind 5 to 10 mph becoming northeast in the evening.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 91. South wind 5 to 10 mph becoming west in the morning. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 67. Northeast wind 5 to 10 mph. Chance of precipitation is 80%.
Monday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. North wind around 5 mph. Chance of precipitation is 50%.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 87. Light south wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chapman KS
 38.96°N 97.02°W
Last Update:
7:40 am CDT Aug 9, 2025
Forecast Valid:
9am CDT Aug 9, 2025-6pm CDT Aug 15, 2025
 
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