Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Dubuque Regional Airport (KDBQ)

Lat: 42.4°NLon: 90.71°WElev: 1040ft.

Fair

65°F

18°C

Humidity 97%
Wind Speed Calm
Barometer 29.94 in (1013.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Aug 10:53 pm CDT
Extended Forecast for

Dubuque IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 80. Calm wind becoming north around 5 mph.

    High: 80 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am.  Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 64. Calm wind.
Wednesday
Partly sunny, with a high near 80. Calm wind becoming north around 5 mph.
Wednesday Night
Partly cloudy, with a low around 59. Calm wind.
Thursday
Sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 64.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Dubuque IA
 42.5°N 90.67°W (Elev. 801 ft)
11:31 pm CDT Aug 18, 2026
11pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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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