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

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Fog/Mist

42°F

6°C

Humidity 85%
Wind Speed NE 3 mph
Barometer 29.97 in (1015.3 mb)
Dewpoint 38°F (3°C)
Visibility 1.00 mi
Last update 5 Mar 3:52 am CST
Extended Forecast for

4 Miles N West Branch IA

Dense Fog Advisory March 5, 04:12am until March 5, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 04:12am until March 5, 09:00am

    NOW until 9:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 40 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 7am. Patchy dense fog before 10am. Otherwise, mostly cloudy, with a high near 55. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 55 °F

    Chance Rain
    and Patchy
    Dense Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 5am. Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 44. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 44 °F

    Areas Fog
    then Rain
    Likely and
    Areas Fog

  • Friday

    Friday: Rain and possibly a thunderstorm before noon, then a chance of rain and thunderstorms after noon. High near 71. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Rain then
    Chance
    T-storms

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 39. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Overnight
A 40 percent chance of rain. Patchy dense fog. Otherwise, mostly cloudy, with a low around 40. Calm wind becoming northeast around 5 mph.
Thursday
A 30 percent chance of rain, mainly before 7am. Patchy dense fog before 10am. Otherwise, mostly cloudy, with a high near 55. Northeast wind around 5 mph becoming southeast in the afternoon.
Thursday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 5am. Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 44. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday
Rain and possibly a thunderstorm before noon, then a chance of rain and thunderstorms after noon. High near 71. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain and possibly a thunderstorm. Low around 39. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Partly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 62.
Sunday Night
Clear, with a low around 44.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Rain likely. Mostly sunny, with a high near 68. Chance of precipitation is 70%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 50. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N West Branch IA
 41.73°N 91.34°W (Elev. 751 ft)
Last Update:
2:41 am CST Mar 5, 2026
Forecast Valid:
4am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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