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

Cedar Rapids Airport (KCID)

Lat: 41.88°NLon: 91.72°WElev: 840ft.

Fog/Mist

71°F

22°C

Humidity 96%
Wind Speed E 7 mph
Barometer 29.90 in (1012.1 mb)
Dewpoint 70°F (21°C)
Visibility 6.00 mi
Last update 19 Sep 2:52 am CDT
Extended Forecast for

Fairfax IA

Flood Watch September 19, 03:25am until September 20, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 19, 03:25am until September 20, 07:00am

    NOW until 7:00am Sun

    Flood Watch

  • Overnight

    Low: 67 °F

    T-storms
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 9am, then a chance of showers and thunderstorms after 9am. Patchy fog before 9am. High near 81. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%.

    High: 81 °F

    T-storms and
    Patchy Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms between 3am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 63. North wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly after 5am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 9am, then a chance of showers and thunderstorms after 9am. Patchy fog before 9am. High near 81. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms between 3am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 63. North wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 56.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 63.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfax IA
 41.91°N 91.78°W (Elev. 791 ft)
Last Update:
1:51 am CDT Sep 19, 2026
Forecast Valid:
3am CDT Sep 19, 2026-6pm CDT Sep 25, 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