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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Independence, Independence Municipal Airport (KIIB)

Lat: 42.45°NLon: 91.93°WElev: 978ft.

Overcast

65°F

18°C

Humidity 97%
Wind Speed NE 10 mph
Barometer 29.95 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Sep 3:15 am CDT
Extended Forecast for

Independence Muni Airport IA

Flood Watch September 20, 03:33am until September 20, 01:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 20, 03:33am until September 20, 01:00pm

    NOW until 1:00pm Sun

    Flood Watch

  • Overnight

    Low: 59 °F

    Heavy Rain
    and Patchy
    Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm. Some of the storms could produce heavy rainfall. Patchy fog before 9am. Otherwise, cloudy, with a high near 66. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 66 °F

    Heavy Rain
    and Patchy
    Fog then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers, mainly after 1am. Cloudy, with a low around 53. Northeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Cloudy then
    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers, mainly after 9am. Cloudy, with a high near 61. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 61 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Overnight
Occasional showers and thunderstorms, mainly before 5am. Some of the storms could produce heavy rainfall. Patchy fog. Low around 59. Northeast wind 10 to 15 mph. Chance of precipitation is 90%.
Sunday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm. Some of the storms could produce heavy rainfall. Patchy fog before 9am. Otherwise, cloudy, with a high near 66. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday Night
A 40 percent chance of showers, mainly after 1am. Cloudy, with a low around 53. Northeast wind around 15 mph, with gusts as high as 20 mph.
Monday
A 50 percent chance of showers, mainly after 9am. Cloudy, with a high near 61. Northeast wind around 15 mph, with gusts as high as 25 mph.
Monday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Independence Muni Airport IA
 42.46°N 91.94°W (Elev. 958 ft)
Last Update:
3:26 am CDT Sep 20, 2026
Forecast Valid:
3am CDT Sep 20, 2026-6pm CDT Sep 26, 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