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

Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Osceola Municipal Airport (KI75)

Lat: 41.05°NLon: 93.69°WElev: 1109ft.

Overcast

60°F

16°C

Humidity 97%
Wind Speed Calm
Barometer 30.26 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 Sep 11:55 pm CDT
Extended Forecast for

Saint Charles IA

  • Overnight

    Overnight: Showers likely, mainly after 3am. Cloudy, with a low around 60. Light east wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 60 °F

    Showers
    Likely

  • Friday

    Friday: Showers, mainly before 3pm. High near 65. Southeast wind 5 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, then showers and possibly a thunderstorm after 4am. Low around 62. East southeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers and thunderstorms before 4pm, then showers likely. High near 65. Southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, with thunderstorms also possible after 7pm. Cloudy, with a low around 61. Southeast wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 69.

    High: 69 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Showers likely, mainly after 3am. Cloudy, with a low around 60. Light east wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, mainly before 3pm. High near 65. Southeast wind 5 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, then showers and possibly a thunderstorm after 4am. Low around 62. East southeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms before 4pm, then showers likely. High near 65. Southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers likely, with thunderstorms also possible after 7pm. Cloudy, with a low around 61. Southeast wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 71.
Monday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 64.
Tuesday
Showers. High near 70. Chance of precipitation is 80%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 66.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 60.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IA
 41.3°N 93.84°W
Last Update:
10:11 pm CDT Sep 24, 2026
Forecast Valid:
12am CDT Sep 25, 2026-6pm CDT Oct 1, 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