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 >

Hazardous Weather Conditions

Current conditions at

Dubuque Regional Airport (KDBQ)

Lat: 42.4°NLon: 90.71°WElev: 1040ft.

Light Rain

62°F

17°C

Humidity 96%
Wind Speed E 8 G 20 mph
Barometer 30.28 in (1025.2 mb)
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Last update 18 Sep 9:53 am CDT
Extended Forecast for

Scales Mound IL

Flood Watch September 19, 01:00am until September 19, 07:00pm
Click here for hazard details and duration
Flood Watch

  • Today

    Today: Showers and thunderstorms likely before 5pm, then a chance of showers. Mostly cloudy, with a high near 70. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 61. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 61 °F

    Chance
    T-storms then
    Heavy Rain

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 73. Southeast wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 73 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 59. Northeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 59 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.

    High: 65 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
Showers and thunderstorms likely before 5pm, then a chance of showers. Mostly cloudy, with a high near 70. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 61. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 73. Southeast wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 59. Northeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 60.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Scales Mound IL
 42.49°N 90.26°W (Elev. 1043 ft)
Last Update:
9:52 am CDT Sep 18, 2026
Forecast Valid:
10am 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