2 products issued by NWS for: Whiteside MO
Flood Watch
Flood Watch
National Weather Service St Louis MO
1254 PM CDT Mon Jun 8 2026
ILZ058>060-064-065-069-070-074-096>102-MOZ036-051-052-059>065-090900-
/O.EXT.KLSX.FA.A.0005.000000T0000Z-260609T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Brown IL-Pike IL-Calhoun IL-Jersey IL-
Madison IL-Saint Clair IL-Monroe IL-Pike MO-Montgomery MO-Lincoln
MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-Saint
Louis MO-Saint Louis City MO-Jefferson MO-
Including the cities of Sullivan, Alton, Centralia, Vandalia, Salem,
Pittsfield, Belleville, Mount Sterling, Cahokia, Union, Edwardsville,
Bowling Green, Washington, Saint Louis, Litchfield, and Saint Charles
1254 PM CDT Mon Jun 8 2026
...FLOOD WATCH NOW IN EFFECT THROUGH TUESDAY MORNING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of Illinois, including the following areas, Bond
IL, Brown IL, Calhoun IL, Clinton IL, Fayette IL, Greene IL, Jersey
IL, Macoupin IL, Madison IL, Marion IL, Monroe IL, Montgomery IL,
Pike IL, Saint Clair IL and Washington IL and Missouri, including
the following areas, Franklin MO, Gasconade MO, Jefferson MO,
Lincoln MO, Montgomery MO, Pike MO, Saint Charles MO, Saint Louis
City MO, Saint Louis MO and Warren MO.
* WHEN...Through Tuesday morning.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Additional showers and thunderstorms with locally heavy rainfall
will be possible, which could lead to flash flooding, especially
if they occur over saturated soils.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
Heat Advisory
URGENT - WEATHER MESSAGE National Weather Service St Louis MO 1144 AM CDT Mon Jun 8 2026 ILZ079-098>102-MOZ041-047>052-059>065-072>075-084-085-099-090745- /O.NEW.KLSX.HT.Y.0001.260609T1700Z-260610T0300Z/ Randolph IL-Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO- Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO- Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO- Madison MO-Reynolds MO- Including the cities of Sullivan, Sparta, Alton, Belleville, Cahokia, Fulton, Union, Columbia, Jefferson City, Edwardsville, Farmington, Washington, Saint Louis, Saint Charles, and Chester 1144 AM CDT Mon Jun 8 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM CDT TUESDAY... * WHAT...Heat index values up to 108 expected. * WHERE...Portions of southwest Illinois and central, east central, and southeast Missouri. * WHEN...From noon to 10 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ Pfahler