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Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Osceola Municipal Airport (KI75)

Lat: 41.05°NLon: 93.69°WElev: 1109ft.

Fair

69°F

21°C

Humidity 93%
Wind Speed W 3 mph
Barometer 30.00 in
Dewpoint 67°F (19°C)
Visibility 7.00 mi
Last update 12 Aug 11:35 pm CDT
Extended Forecast for

5 Miles NW Lucas IA

  • Tonight

    Tonight: Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 61. North wind 3 to 5 mph.

    Low: 61 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, sunny, with a high near 81. Calm wind becoming north northeast around 5 mph.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. South southeast wind 3 to 8 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. South southeast wind around 7 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 61. North wind 3 to 5 mph.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 81. Calm wind becoming north northeast around 5 mph.
Wednesday Night
Mostly clear, with a low around 61. Light and variable wind.
Thursday
Sunny, with a high near 83. South southeast wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 65. South southeast wind around 7 mph.
Friday
Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 72.
Saturday
Mostly sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Lucas IA
 41.08°N 93.52°W
Last Update:
10:53 pm CDT Aug 12, 2025
Forecast Valid:
11pm CDT Aug 12, 2025-6pm CDT Aug 19, 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