Alton, IL

12:05 PM CDT on May 30, 2015 (GMT -0500)
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Location: Cahokia,
Elevation: 410 ft
Nearby Weather Stations
Active Advisory: Flash Flood Watch

Elev 410 ft 38.57 °N, 90.16 °W | Updated 12 minutes ago

Overcast
Overcast
74 °F
Feels Like 74 °F
N
4
Wind Variable Wind from WNW

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
5:38 AM 8:18 PM
Waxing Gibbous, 91% visible
Pressure 29.94 in
Visibility 10.0 miles
Clouds Mostly Cloudy 1300 ft
Dew Point 68 °F
Humidity 82%
Rainfall 0.57 in
Snow Depth Not available.
UV 6 out of 12
Pollen 3.10 out of 12
Air Quality Not available.
Flu Activity Sporadic
METAR KCPS 301653Z 30003KT 10SM BKN013 23/20 A2995 RMK AO2 SLP139 T02330200

More Conditions Fewer Conditions

Pressure 29.94 in
Visibility 10.0 miles
Clouds Mostly Cloudy 1300 ft
Dew Point 68 °F
Humidity 82%
Rainfall 0.57 in
Snow Depth Not available.
UV 6 out of 12
Pollen 3.10 out of 12
Air Quality Not available.
Flu Activity Sporadic
METAR KCPS 301653Z 30003KT 10SM BKN013 23/20 A2995 RMK AO2 SLP139 T02330200

More Conditions Fewer Conditions

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Nearby Weather Stations

Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   
Flash Flood Watch
Statement as of 2:36 AM CDT on May 30, 2015

... Flash Flood Watch now in effect through this evening...

The Flash Flood Watch is now in effect for

* portions of southwest Illinois and Missouri... including the
following areas... in southwest Illinois... Calhoun IL... Jersey
IL... Madison IL... Monroe IL and St. Clair IL. In Missouri...
Crawford MO... Franklin MO... Gasconade MO... Iron MO... Jefferson
MO... Lincoln MO... Madison MO... Montgomery MO... Reynolds MO...
St. Charles MO... St. Francois MO... St. Louis city MO... St.
Louis MO... Ste. Genevieve MO... Warren MO and Washington MO.

* Through this evening

* periods of shower and thunderstorms are expected through this
evening. Rainfall amounts of 1 to 2 inches can be expected... with
locally higher amounts possible.

* Heavy rainfall may result in flooding of low lying or poor
drainage areas... and possibly dangerous flash flooding on
smaller creeks and streams. Significant rises on larger streams
and rivers will also be possible.

Precautionary/preparedness actions...

A Flash Flood Watch means that flash flooding is possible but not
imminent in the watch area. People in the watch area should be
aware of the possibility of heavy rainfall and flash flooding.
Check your preparedness requirements... especially if you live in
flood prone areas. Stay informed... and be ready for quick action
if flooding is observed or if a Flash Flood Warning is issued.