Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Dubuque Regional Airport (KDBQ)

Lat: 42.4°NLon: 90.71°WElev: 1040ft.

Mostly Cloudy

79°F

26°C

Humidity 54%
Wind Speed W 13 mph
Barometer 30.05 in (1017.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Aug 4:53 pm CDT
Extended Forecast for

Monticello IA

  • Tonight

    Tonight: Mostly clear, with a low around 62. West wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 77. Southwest wind 5 to 10 mph.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 11pm.  Partly cloudy, with a low around 61. West wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Calm wind.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am.  Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers after 1pm.  Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers before 1am.  Partly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 62. West wind around 5 mph becoming calm in the evening.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. Southwest wind 5 to 10 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 78. Calm wind.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Sunny, with a high near 78.
Thursday Night
A 30 percent chance of showers after 1am. Mostly clear, with a low around 61.
Friday
A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 80.
Friday Night
A 50 percent chance of showers before 1am. Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Monticello IA
 42.25°N 91.18°W (Elev. 804 ft)
1:26 pm CDT Aug 17, 2026
5pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database