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 >

Hazardous Weather Conditions

Current conditions at

Dubuque Regional Airport (KDBQ)

Lat: 42.4°NLon: 90.71°WElev: 1040ft.

Fair

80°F

27°C

Humidity 56%
Wind Speed W 5 mph
Barometer 29.97 in (1014.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 19 Aug 1:53 pm CDT
Extended Forecast for

5 Miles ESE Monticello Municipal IA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 80. North wind around 5 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. North wind around 5 mph becoming calm.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, sunny, with a high near 80. Calm wind.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Thursday Night

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

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 4pm.  Mostly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 7pm.  Mostly clear, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

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

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 80. North wind around 5 mph.
Tonight
Partly cloudy, with a low around 59. North wind around 5 mph becoming calm.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 80. Calm wind.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 63. South wind around 5 mph.
Friday
A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Friday Night
A chance of thunderstorms before 7pm. Mostly clear, with a low around 62. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Monticello Municipal IA
 42.22°N 91.06°W (Elev. 892 ft)
1:26 pm CDT Aug 19, 2026
2pm CDT Aug 19, 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