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

Fairfield Municipal Airport (KFFL)

Lat: 41.05°NLon: 91.98°WElev: 787ft.

Fair

75°F

24°C

Humidity 100%
Wind Speed SE 13 mph
Barometer 29.90 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 19 Sep 1:15 pm CDT
Extended Forecast for

3 Miles SE Fairfield IA

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 84. Southwest wind around 10 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 64. West wind around 5 mph becoming north in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 1pm. High near 71. Northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 71 °F

    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 58. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °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 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 84. Southwest wind around 10 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 64. West wind around 5 mph becoming north in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms, mainly before 1pm. High near 71. Northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 58. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Fairfield IA
 40.97°N 91.92°W (Elev. 801 ft)
Last Update:
11:26 am CDT Sep 19, 2026
Forecast Valid:
1pm CDT Sep 19, 2026-6pm CDT Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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