SEVERE THUNDERSTORM WATCH 563 REMAINS VALID UNTIL 2 PM CDT THIS AFTERNOON FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 11 COUNTIES IN NORTH CENTRAL ILLINOIS BUREAU PUTNAM IN NORTHWEST ILLINOIS CARROLL HENRY IL JO DAVIESS MERCER ROCK ISLAND STEPHENSON WHITESIDE IN WEST CENTRAL ILLINOIS HENDERSON WARREN IN IOWA THIS WATCH INCLUDES 6 COUNTIES IN EAST CENTRAL IOWA CLINTON JACKSON MUSCATINE SCOTT IN SOUTHEAST IOWA DES MOINES LOUISA THIS INCLUDES THE CITIES OF ALEDO, BETTENDORF, BURLINGTON, CLINTON, CREDIT ISLAND, DAVENPORT, FREEPORT, GALENA, GENESEO, HENNEPIN, MAQUOKETA, MOLINE, MONMOUTH, MOUNT CARROLL, MUSCATINE, OQUAWKA, PRINCETON, ROCK ISLAND, STERLING, AND WAPELLO.
Weather in Onslow, IA
Updated 2026-08-11 12:30 local time · ZIP codes 52321
Sunny
Active alerts
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 563 IN EFFECT UNTIL 2 PM CDT THIS AFTERNOON FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 11 COUNTIES IN NORTH CENTRAL ILLINOIS BUREAU PUTNAM IN NORTHWEST ILLINOIS CARROLL HENRY IL JO DAVIESS MERCER ROCK ISLAND STEPHENSON WHITESIDE IN WEST CENTRAL ILLINOIS HENDERSON WARREN IN IOWA THIS WATCH INCLUDES 12 COUNTIES IN EAST CENTRAL IOWA CEDAR CLINTON JACKSON JOHNSON JONES LINN MUSCATINE SCOTT IN NORTHEAST IOWA DELAWARE DUBUQUE IN SOUTHEAST IOWA DES MOINES LOUISA THIS INCLUDES THE CITIES OF ALEDO, ANAMOSA, BETTENDORF, BURLINGTON, CEDAR RAPIDS, CLINTON, CREDIT ISLAND, DAVENPORT, DUBUQUE, FREEPORT, GALENA, GENESEO, HENNEPIN, IOWA CITY, MANCHESTER, MAQUOKETA, MOLINE, MONMOUTH, MOUNT CARROLL, MUSCATINE, OQUAWKA, PRINCETON, ROCK ISLAND, STERLING, TIPTON, AND WAPELLO.
Areas of fog, some locally dense with visibilities under one half mile, can be expected through the morning commute. Motorists should exercise caution this morning, especially during the morning commute, as visibilities may change suddenly over very short distances. This fog is expected to decrease through 8 and 9 AM as showers and thunderstorms increase and move into the area.
Next hours
-1766°11% rain
86°11% rain89°6% rain89°5% rain86°9% rain87°5% rain85°7% rain82°9% rain
80°13% rain78°14% rain77°18% rain
73°42% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
There is a moderate rain chance, peaking near 42%.
It feels like -2211°F with winds near 10 mph.
85°F, 7% rain chance and 4 mph wind.
Visibility is around 10 mi; gusts may reach 16 mph.
Current temperature is -1766°F, wind 10 mph, rain chance up to 42%.
UV index is 6. Sunscreen and sunglasses are sensible for longer outdoor time.
Onslow weather today
Sunny and -1766°F in Onslow, IA. Today's high is 89°F with a 63% rain chance. Winds are around 10 mph with gusts near 14 mph. Relative humidity is 84%, pressure is 29.87 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Onslow
Sunrise is at 06:07 AM and sunset is at 08:10 PM. Tomorrow's forecast calls for Sunny with a high near 83°F and a low near 67°F. The maximum rain chance is 73%.