Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Hazardous Weather Conditions

Current conditions at

Dubuque Regional Airport (KDBQ)

Lat: 42.4°NLon: 90.71°WElev: 1040ft.

Partly Cloudy

78°F

26°C

Humidity 76%
Wind Speed SW 9 mph
Barometer 29.91 in (1012.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Aug 4:53 pm CDT
Extended Forecast for

Monticello Municipal IA

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 79. Southwest wind around 5 mph.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 63. West wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 79. Calm wind becoming north around 5 mph.

    High: 79 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 58. Calm wind.

    Low: 58 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: A chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    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 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Southwest wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 79. Calm wind becoming north around 5 mph.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 58. Calm wind.
Thursday
Sunny, with a high near 80.
Thursday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
A chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 78.
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 59.
Monday
Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello Municipal IA
 42.23°N 91.15°W (Elev. 840 ft)
2:51 pm CDT Aug 18, 2026
5pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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