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Areas of Excessive Rainfall and Extreme Heat; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding Tuesday. Hot to extremely hot temperatures are in place through Tuesday across much of the western U.S. and northern New England. Tropical Storm Erin is forecast to become a Major Hurricane by this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Overcast

73°F

23°C

Humidity 100%
Wind Speed S 5 mph
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Last update 12 Aug 2:55 am CDT
Extended Forecast for

4 Miles SW Wyoming IA

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 70%.

    Low: 68 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 7am. Patchy fog between 7am and 9am. Otherwise, mostly cloudy, with a high near 81. South wind around 5 mph. Chance of precipitation is 60%.

    High: 81 °F

    T-storms
    Likely and
    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 60. Northwest wind around 5 mph.

    Low: 60 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. North wind around 5 mph becoming calm in the afternoon.

    High: 80 °F

    Sunny

  • Wednesday Night

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

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 70%.
Tuesday
Showers and thunderstorms likely, mainly before 7am. Patchy fog between 7am and 9am. Otherwise, mostly cloudy, with a high near 81. South wind around 5 mph. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 60. Northwest wind around 5 mph.
Wednesday
Sunny, with a high near 80. North wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 63.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 70.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 68.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Wyoming IA
 42.03°N 91.07°W (Elev. 850 ft)
Last Update:
2:47 am CDT Aug 12, 2025
Forecast Valid:
3am CDT Aug 12, 2025-6pm CDT Aug 18, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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