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- Spring Flood Outlook: Below average to near average flood risk for area river basins
Hazardous Weather Conditions
Current conditions at
Chicago / Wheeling, Pal-Waukee Airport (KPWK)
Lat: 42.12°NLon: 87.9°WElev: 646ft.
Fog/Mist
39°F
4°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 29.98 in (1015.8 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 1.00 mi |
| Last update | 5 Mar 4:52 am CST |
Extended Forecast for
Arlington Heights IL
Dense Fog Advisory March 5, 05:51am until March 5, 03:00pm
NOW until 3:00pm Thu

Dense Fog Advisory
Overnight

Low: 39 °F
Areas Drizzle
and Dense FogThursday

High: 42 °F
Areas Drizzle
and Dense FogThursday Night

Low: 41 °F
Fog
Friday
High: 70 °F
Showers and
Areas FogFriday Night
Low: 56 °F
Breezy.
Chance
T-storms then
ShowersSaturday
High: 60 °F
Breezy.
Chance
Showers then
Partly SunnySaturday Night

Low: 37 °F
Mostly Clear
Sunday
High: 60 °F
Sunny then
Sunny and
Breezy
Detailed Forecast
Overnight
Areas of drizzle. Widespread dense fog. Otherwise, cloudy, with a low around 39. Northeast wind around 5 mph.
Thursday
Areas of drizzle before 2pm. Widespread dense fog, mainly before noon. Otherwise, cloudy, with a high near 42. North northeast wind around 5 mph.
Thursday Night
Widespread fog, mainly after midnight. Otherwise, cloudy, with a low around 41. North northeast wind around 5 mph becoming southeast after midnight.
Friday
A slight chance of showers before 9am, then showers and possibly a thunderstorm between 9am and noon, then a slight chance of showers and thunderstorms after noon. Areas of fog before 3pm. High near 70. Southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 56. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Saturday
A 30 percent chance of showers before 9am. Partly sunny, with a high near 60. Breezy.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 60. Breezy.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Showers likely. Partly sunny, with a high near 65.
Tuesday Night
Showers. Cloudy, with a low around 42.
Wednesday
Rain likely. Mostly cloudy, with a high near 51. Breezy.
Additional Forecasts and Information
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
Arlington Heights IL
42.09°N 87.98°W
42.09°N 87.98°W
5:21 am CST Mar 5, 2026
5am CST Mar 5, 2026-6pm CDT Mar 11, 2026



