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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Dubuque Regional Airport (KDBQ)

Lat: 42.4°NLon: 90.71°WElev: 1040ft.

Overcast

64°F

18°C

Humidity 96%
Wind Speed NE 10 mph
Barometer 30.27 in (1024.7 mb)
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 17 Sep 8:53 pm CDT
Extended Forecast for

Galena IL

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 60. East wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 4pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 71. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 64. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 78. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 78 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

    Low: 61 °F

    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 1pm. Cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 60. East wind around 5 mph.
Friday
A chance of showers, with thunderstorms also possible after 4pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 71. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 64. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
Showers and possibly a thunderstorm. High near 78. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 56.
Monday
Showers likely, mainly before 1pm. Cloudy, with a high near 62. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Galena IL
 42.43°N 90.44°W (Elev. 814 ft)
Last Update:
7:46 pm CDT Sep 17, 2026
Forecast Valid:
9pm CDT Sep 17, 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