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

Cambridge Municipal Airport (KCSB)

Lat: 40.31°NLon: 100.16°WElev: 2414ft.

66°F

19°C

Humidity 94%
Wind Speed NW 8 mph
Barometer 30.00 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 10 Aug 7:15 am CDT
Extended Forecast for

Arapahoe NE

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 82. North northwest wind around 10 mph becoming east northeast in the afternoon. Winds could gust as high as 25 mph. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    T-storms then
    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 62. East wind 5 to 10 mph becoming northwest in the evening. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 83. North wind around 5 mph becoming east southeast in the afternoon.

    High: 83 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. South southeast wind around 5 mph becoming southwest after midnight.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. West wind around 5 mph becoming east in the afternoon.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 82. North northwest wind around 10 mph becoming east northeast in the afternoon. Winds could gust as high as 25 mph. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 62. East wind 5 to 10 mph becoming northwest in the evening. New rainfall amounts between a quarter and half of an inch possible.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 83. North wind around 5 mph becoming east southeast in the afternoon.
Monday Night
Mostly clear, with a low around 60. South southeast wind around 5 mph becoming southwest after midnight.
Tuesday
Sunny, with a high near 89. West wind around 5 mph becoming east in the afternoon.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny and hot, with a high near 95.
Thursday Night
Mostly clear, with a low around 71.
Friday
Mostly sunny and hot, with a high near 98.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Mostly sunny and hot, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe NE
 40.32°N 99.9°W (Elev. 2224 ft)
Last Update:
6:00 am CDT Aug 10, 2025
Forecast Valid:
7am CDT Aug 10, 2025-6pm CDT Aug 16, 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