Radar
« Active Alerts
EXPIRED / ARCHIVED — This alert is no longer active and is maintained for historical record only. For current alerts, use the search above or visit Active Alerts.
FLOOD WARNING
FLOOD WARNING ISSUED APRIL 19 AT 8:18PM CDT
Effective: 2026-04-19 20:18:00 Local Time [EXPIRED] Expires: 2026-04-20 14:30:00 Local Time Issued by: NWS Chicago IL
Alert Text
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS INILLINOIS...

ILLINOIS RIVER AT LA SALLE AFFECTING LA SALLE, BUREAU AND PUTNAM COUNTIES.

* WHAT...MINOR FLOODING IS OCCURRING AND FORECASTED TO CONTINUE.

* WHERE...ILLINOIS RIVER FROM STARVED ROCK LOCK AND DAM DOWNSTREAM TO CONFLUENCE WITH BIG BUREAU CREEK, INCLUDING THE LA SALLE GAUGE.

* WHEN...UNTIL FURTHER NOTICE.

* IMPACTS...AT 22.0 FEET, LOWER PARKING LOT AT STARVED ROCK STATE PARK IS INUNDATED EAST OF LA SALLE. HIGH WATER LEVELS BEGIN TO IMPACT SHIPPING INTERESTS ALONG THE RIVER.

* ADDITIONAL DETAILS... - AT 7:45 PM CDT SUNDAY THE STAGE WAS 21.5 FEET. - FORECAST...THE RIVER APPEARS TO BE CRESTING. IT WILL SLOWLY FALL BUT REMAIN ABOVE FLOOD STAGE THROUGH THE WEEK. - FLOOD STAGE IS 20.0 FEET. - HTTP: WWW.WEATHER.GOV SAFETY FLOOD
More Information
View Storm Reports Map — Know the difference between Watch, Warning, Advisory
Target Area
BUREAU, IL, LA SALLE, IL, PUTNAM, IL

This alert has expired and is maintained in our database for historical record only. For current active alerts please use the search box at the top of this page.
🔔 Sign-up to receive real-time severe weather alerts via email or text — subscribe

Storm Reports

Loading...

Local Time ▼ Location ⇅ Event ⇅ Detail Source ⇅
Loading reports...
Sign-up to receive real-time storm reports via email or text — subscribe

Storm report data provided by WxData.com

Hazardous Weather Conditions

No active alerts for CHEVY CHASE, MARYLAND

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Clear

50.0 F
Humidity:58%
Wind Speed:S 5.8 mph
Barometer:30.05 in
Dewpoint:35.6 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 05:35 AM EDT
Severe Weather Alerts
Severe Weather
 		Daily Weather Forecast
Daily Forecast
 		Storm Report Monitoring
Storm Reports

5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

Wednesday

High 73 °F
Chance of T-storms
Wednesday
Night
Low 55 °F
Partly Cloudy
Thursday

High 80 °F
Mostly Sunny
Thursday
Night
Low 57 °F
Partly Cloudy
Friday

High 77 °F
Chance of T-storms
Friday
Night
Low 53 °F
Chance of Rain
Saturday

High 62 °F
T-storms Likely
Saturday
Night
Low 48 °F
Rain
Sunday

High 62 °F
Rain Showers Likely

Observation History for CHEVY CHASE, MARYLAND


Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
05:35 AM EDT S 5.8 10.00 Clear -- 50.0 35.6 58% NA NA 30.05 1017.6
05:15 AM EDT S 5.8 10.00 Clear -- 50.0 35.6 58% NA NA 30.05 1017.6
04:55 AM EDT S 9.2 10.00 Clear -- 50.0 35.6 58% NA NA 30.05 1017.6
04:35 AM EDT S 8.1 10.00 Clear -- 50.0 35.6 58% NA NA 30.06 1018.0
04:15 AM EDT S 8.1 10.00 Clear -- 50.0 35.6 58% NA NA 30.07 1018.3
03:55 AM EDT S 8.1 10.00 Clear -- 50.0 35.6 58% NA NA 30.08 1018.6
03:35 AM EDT S 8.1 10.00 Clear -- 50.0 35.6 58% NA NA 30.08 1018.6
03:15 AM EDT S 8.1 10.00 Clear -- 50.0 35.6 58% NA NA 30.08 1018.6
02:55 AM EDT S 8.1 10.00 Clear -- 50.0 35.6 58% NA NA 30.09 1019.0
02:35 AM EDT S 6.9 10.00 Clear -- 50.0 35.6 58% NA NA 30.10 1019.3
02:15 AM EDT S 6.9 10.00 Clear -- 50.0 37.4 62% NA NA 30.10 1019.3
01:35 AM EDT 4.7 10.00 Clear -- 51.8 37.4 58% NA NA 30.13 1020.3
01:15 AM EDT 3.4 10.00 Clear -- 51.8 37.4 58% NA NA 30.14 1020.7
12:55 AM EDT 3.4 10.00 Clear -- 51.8 37.4 58% NA NA 30.15 1021.0
12:35 AM EDT S 3.4 10.00 Clear -- 51.8 37.4 58% NA NA 30.15 1021.0
12:15 AM EDT 3.4 10.00 Clear -- 51.8 37.4 58% NA NA 30.15 1021.0
11:55 PM EDT SE 3.4 10.00 Clear -- 53.6 37.4 54% NA NA 30.16 1021.3
11:35 PM EDT SE 4.7 10.00 Clear -- 53.6 37.4 54% NA NA 30.16 1021.3
11:15 PM EDT SE 4.7 10.00 Clear -- 53.6 37.4 54% NA NA 30.17 1021.7
10:55 PM EDT SE 5.8 10.00 Clear -- 53.6 37.4 54% NA NA 30.17 1021.7
10:35 PM EDT 8.1 10.00 Clear -- 53.6 37.4 54% NA NA 30.18 1022.0
10:15 PM EDT 6.9 10.00 Clear -- 55.4 35.6 47% NA NA 30.18 1022.0
09:55 PM EDT 9.2 10.00 Clear -- 55.4 35.6 47% NA NA 30.18 1022.0
09:35 PM EDT SE 11.4 10.00 Clear -- 57.2 32.0 38% NA NA 30.18 1022.0

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Clear
50.0 F

FREDERICK (KFDK)

Mostly Cloudy
45.0 F

CARROLL CNTY (KDMW)

Clear
51.8 F

NSF THURMONT (KRSP)

Clear
48.0 F

WASH DC/DULLES (KIAD)

Clear
51.8 F

WASHINGTON/NATL (KDCA)

Clear
51.8 F
Sign-up to receive daily weather forecasts by email or text — subscribe