National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Fair

88°F

31°C

Humidity 79%
Wind Speed S 8 G 15 mph
Barometer 29.99 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 16 Aug 2:15 pm CDT
Extended Forecast for

Delaware IA

Heat Advisory until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 16, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 87 °F

    Partly Sunny

  • Tonight

    Tonight: Isolated showers and thunderstorms between 9pm and 10pm. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Isolated showers and thunderstorms before 10am, then isolated showers and thunderstorms after 1pm. Partly sunny, with a high near 84. East wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 84 °F

    Isolated
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. Southeast wind around 5 mph.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 87. South wind 10 to 15 mph.
Tonight
Isolated showers and thunderstorms between 9pm and 10pm. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Sunday
Isolated showers and thunderstorms before 10am, then isolated showers and thunderstorms after 1pm. Partly sunny, with a high near 84. East wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. Southeast wind around 5 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Delaware IA
 42.49°N 91.35°W (Elev. 1060 ft)
Last Update:
2:01 pm CDT Aug 16, 2025
Forecast Valid:
2pm CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
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