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Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Overcast

70°F

21°C

Humidity 94%
Wind Speed SE 9 mph
Barometer 29.81 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 May 9:35 pm CDT
Extended Forecast for

Dyersville IA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a low around 60. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 9am. Mostly cloudy, with a high near 65. Southwest wind around 15 mph becoming northwest in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. North wind 5 to 10 mph.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a low around 60. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 9am. Mostly cloudy, with a high near 65. Southwest wind around 15 mph becoming northwest in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 42. North wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 63. North wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 63.
Thursday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 45.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 57.
Memorial Day
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dyersville IA
 42.49°N 91.11°W (Elev. 948 ft)
Last Update:
9:37 pm CDT May 18, 2026
Forecast Valid:
9pm CDT May 18, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation