Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Dubuque Regional Airport (KDBQ)

Lat: 42.4°NLon: 90.71°WElev: 1040ft.

Fair

66°F

19°C

Humidity 87%
Wind Speed NE 7 mph
Barometer 29.99 in (1015.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 19 Aug 10:53 pm CDT
Extended Forecast for

3 Miles NNW Monticello IA

  • Overnight

    Overnight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, sunny, with a high near 81. Calm wind becoming south around 5 mph.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 2am.  Increasing clouds, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Friday Night

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

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 58. Calm wind.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 63. South wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Monticello IA
 42.27°N 91.21°W (Elev. 801 ft)
9:21 pm CDT Aug 19, 2026
12am CDT Aug 20, 2026-6pm CDT Aug 26, 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