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

Falls City, Brenner Field Airport (KFNB)

Lat: 40.08°NLon: 95.59°WElev: 984ft.

Fair

93°F

34°C

Humidity 58%
Wind Speed S 13 mph
Barometer 29.73 in (1005.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 8 Aug 2:53 pm CDT
Extended Forecast for

Hiawatha KS

Heat Advisory August 8, 03:52pm until August 8, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 8, 03:52pm until August 8, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 75. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Partly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers after 5pm. Partly sunny, with a high near 89. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 73. Southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. South wind around 5 mph. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 66. North wind around 5 mph becoming west after midnight. Chance of precipitation is 80%.

    Low: 66 °F

    T-storms then
    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 77. Southwest wind around 5 mph becoming northeast in the afternoon.

    High: 77 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 95. Heat index values as high as 105. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 75. South wind around 15 mph, with gusts as high as 25 mph.
Saturday
A 10 percent chance of showers after 5pm. Partly sunny, with a high near 89. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Showers and thunderstorms likely, mainly between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 73. Southeast wind around 5 mph. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. South wind around 5 mph. Chance of precipitation is 70%.
Sunday Night
Showers and possibly a thunderstorm. Low around 66. North wind around 5 mph becoming west after midnight. Chance of precipitation is 80%.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 77. Southwest wind around 5 mph becoming northeast in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 81. Calm wind becoming north around 5 mph.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 84.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hiawatha KS
 39.86°N 95.55°W
Last Update:
3:10 pm CDT Aug 8, 2025
Forecast Valid:
3pm CDT Aug 8, 2025-6pm CDT Aug 14, 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