Weather Alert
Washington County Weather Warning NWS WEATHER ALERT FOR THE WASHINGTON COUNTY, IL AREA - Issued: 227 PM CST Tue Mar 3 2026 Washington County Weather Warning

World > North America > United States > Illinois > Washington County   Washington County, IL Weather Washington County, IL Official Website

Washington County, IL Weather - Hour by Hour Forecast

Feedback E-mail the Weather

Quick Clicks

Washington County, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Lightning Observed. Temperature is 52°F11°C, dew point 52°F11°C, humidity 100%. Wind direction is N at 0 mph0 km/h with visibility of 7 mi11 km. Barometric pressure is 30.08 in1018 mb.
Overnight - Cloudy with a chance of thunderstorms. A chance of showers late this evening, then showers likely. Not as cool. Near steady temper.. Full Forecast
Wednesday - Patchy fog in the morning. A chance of thunderstorms. Showers. Highs in the mid 60s. Southeast winds around 5 mph, becoming south .. Full Forecast

Washington County Hourly Weather

24 Hour Forecast Scroll
Tue, Mar 03
11:00 pm
Wed, Mar 04
Midnight
Wed, Mar 04
1:00 am
Wed, Mar 04
2:00 am
Wed, Mar 04
3:00 am
Wed, Mar 04
4:00 am
Wed, Mar 04
5:00 am
Wed, Mar 04
6:00 am
Wed, Mar 04
7:00 am
Wed, Mar 04
8:00 am
Wed, Mar 04
9:00 am
Wed, Mar 04
10:00 am
Wed, Mar 04
11:00 am
Wed, Mar 04
Noon
Wed, Mar 04
1:00 pm
Wed, Mar 04
2:00 pm
Wed, Mar 04
3:00 pm
Wed, Mar 04
4:00 pm
Wed, Mar 04
5:00 pm
Wed, Mar 04
6:00 pm
Wed, Mar 04
7:00 pm
Wed, Mar 04
8:00 pm
Wed, Mar 04
9:00 pm
Wed, Mar 04
10:00 pm
Washington County, IL Hourly Weather - Cloudy - 11:00 PM Washington County, IL Hourly Weather - Cloudy - 12:00 AM Washington County, IL Hourly Weather - Cloudy - 1:00 AM Washington County, IL Hourly Weather - Cloudy - 2:00 AM Washington County, IL Hourly Weather - Cloudy - 3:00 AM Washington County, IL Hourly Weather - Cloudy - 4:00 AM Washington County, IL Hourly Weather - Cloudy - 5:00 AM Washington County, IL Hourly Weather - Cloudy - 6:00 AM Washington County, IL Hourly Weather - Cloudy - 7:00 AM Washington County, IL Hourly Weather - Cloudy - 8:00 AM Washington County, IL Hourly Weather - Cloudy - 9:00 AM Washington County, IL Hourly Weather - Cloudy - 10:00 AM Washington County, IL Hourly Weather - Cloudy - 11:00 AM Washington County, IL Hourly Weather - Cloudy - 12:00 PM Washington County, IL Hourly Weather - Cloudy - 1:00 PM Washington County, IL Hourly Weather - Cloudy - 2:00 PM Washington County, IL Hourly Weather - Cloudy - 3:00 PM Washington County, IL Hourly Weather - Cloudy - 4:00 PM Washington County, IL Hourly Weather - Cloudy - 5:00 PM Washington County, IL Hourly Weather - Cloudy - 6:00 PM Washington County, IL Hourly Weather - Cloudy - 7:00 PM Washington County, IL Hourly Weather - Cloudy - 8:00 PM Washington County, IL Hourly Weather - Cloudy - 9:00 PM Washington County, IL Hourly Weather - Cloudy - 10:00 PM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
55°F13°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 55°F13°C 57°F14°C 58°F14°C 59°F15°C 61°F16°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 61°F16°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 60°F16°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
28% 28% 25% 25% 25% 25% 25% 25% 79% 79% 79% 79% 79% 79% 76% 76% 76% 76% 76% 76% 82% 82% 82% 82%
52°F11°C 52°F11°C 52°F11°C 53°F12°C 53°F12°C 53°F12°C 53°F12°C 53°F12°C 53°F12°C 54°F12°C 54°F12°C 55°F13°C 55°F13°C 56°F13°C 56°F13°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C
90% 93% 93% 96% 96% 96% 96% 96% 93% 90% 87% 87% 81% 81% 81% 84% 84% 84% 87% 87% 87% 90% 90% 90%
SE SE SSE SSE SSE SSE SSE SSE S S S SSE SW SW SW S S S S S S SSE SSE S
5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 3 mph 3 mph 3 mph 4 mph 4 mph 4 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 8 mph 8 mph 8 mph
6 mi10 km 6 mi10 km 6 mi10 km 6 mi10 km 6 mi10 km 6 mi10 km 5 mi8 km 5 mi8 km 6 mi10 km 6 mi10 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km
Hour (CST)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KSAR model statistics.

Trending Headlines

Trending Entertainment Headlines

Washington County Radar Loop

Use the map search tool if you want to place a location marker on the radar map...
Prob Precip % = Probability of Precipitation.

Washington County 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

E-mail the Washington County Weather Forecast

Voice your opinion or tell us about page issues...

Washington County IL Weather - 12:20 am

What are people saying?

Contact Us