CAHOKIA, IL 62206 Weather Forecast & Current Conditions
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  62206 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

EAST ST. LOUIS, IL
Current Weather
8:53 AM CDT APR 2, 2026
Clear
70°F
Feels Like: 70°F
Dewpoint: 63°F
Rel. Hum.: 78%
Visibility: 10 miles
Wind: S at 16 mph, gusts to 29
Pressure: 29.79 inches
Last 72 hours

Local Area Snow Depth

Illinois Current Weather

Illinois MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  62206 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

CAHOKIA, IL 62206
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TODAY
Mostly cloudy. A chance of showers with a slight chance of thunderstorms late this morning, then showers likely with a chance of thunderstorms this afternoon. Breezy and not as cool. Near steady temperature in the lower 70s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 70 percent.
TONIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely with a slight chance of thunderstorms after midnight. Breezy with lows in the lower 60s. South winds 20 to 25 mph with gusts up to 35 mph, becoming southwest 10 to 15 mph with gusts up to 25 mph after midnight. Chance of rain 70 percent.
FRIDAY
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent.
FRIDAY NIGHT
A chance of thunderstorms. Showers. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
SATURDAY
Showers likely with a slight chance of thunderstorms in the morning, then partly sunny with a slight chance of showers in the afternoon. Much cooler and less humid. Near steady temperature in the upper 50s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
SATURDAY NIGHT
Partly cloudy in the evening, then clearing. Much cooler with lows around 40.
SUNDAY
Sunny. Highs in the upper 50s.
SUNDAY NIGHT
Clear. Lows in the upper 30s.
MONDAY
Sunny. Highs in the mid 60s.
MONDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows around 40. Chance of rain 20 percent.
TUESDAY AND TUESDAY NIGHT
Partly cloudy. Highs around 60. Lows around 40.
WEDNESDAY
Mostly sunny. Not as cool with highs around 70.

  62206 WEATHER SATELLITE LOOPS
Visible Weather Satellite
CAHOKIA, IL 62206
Infrared Weather Satellite
CAHOKIA, IL 62206
  62206 WEATHER RADAR LOOP
NEXRAD Weather Radar
CAHOKIA, IL 62206
 MOS COMPUTER WEATHER FORECAST

EAST ST. LOUIS, IL 3 hourly weather forecast
weather forecast created  5:00 PM MST  4/ 1/2026
Thursday
2 APR 2026		 CAHOKIA, IL 62206 weather forecast Day 1, 0 hours 12 AM 63° 62° Mostly Cloudy 32%
RAIN
.01–.1 in		 0% Thunder
( 19% severe)		 ESE   9 81% 57°
Low 62° CAHOKIA, IL 62206 weather forecast Day 1, 3 hours 3 AM 65° 65° Mostly Cloudy S   13 81% 59°
High 78° CAHOKIA, IL 62206 weather forecast Day 1, 6 hours 6 AM 66° 66° Mostly Cloudy 42%
RAIN
.01–.1 in		 0% Thunder
( 10% severe)		 S   16 81% 60°

Mostly Cloudy

Rain Likely


Breezy		 CAHOKIA, IL 62206 weather forecast Day 1, 9 hours 9 AM 70° 70° Mostly Cloudy S   21 76% 62°
CAHOKIA, IL 62206 weather forecast Day 1, 12 hours 12 PM 74° 74° Mostly Cloudy 66%
RAIN
.25–.5 in		 0% Thunder
( 36% severe)		 S   21 64% 61°
CAHOKIA, IL 62206 weather forecast Day 1, 15 hours 3 PM 76° 78° Mostly Cloudy S   22 60% 61°
CAHOKIA, IL 62206 weather forecast Day 1, 18 hours 6 PM 73° 73° Partly Cloudy 35%
RAIN
>2 in		 0% Thunder
( 24% severe)		 S   18 64% 60°
CAHOKIA, IL 62206 weather forecast Day 1, 21 hours 9 PM 71° 71° Partly Cloudy SSW   15 71% 61°
Friday
3 APR 2026		 CAHOKIA, IL 62206 weather forecast Day 2, 0 hours 12 AM 68° 68° Mostly Cloudy 40%
RAIN
***		 0% Thunder
( 15% severe)		 SW   12 78% 61°
Low 62° CAHOKIA, IL 62206 weather forecast Day 2, 3 hours 3 AM 65° 65° Partly Cloudy SSW   8 84% 60°
High 82° CAHOKIA, IL 62206 weather forecast Day 2, 6 hours 6 AM 64° 64° Mostly Cloudy 34%
RAIN
.5–1 in		 0% Thunder
( 16% severe)		 SSE   7 87% 60°

Mostly Cloudy

Chance of Rain

 CAHOKIA, IL 62206 weather forecast Day 2, 9 hours 9 AM 72° 72° Mostly Cloudy S   12 73% 63°
CAHOKIA, IL 62206 weather forecast Day 2, 12 hours 12 PM 78° 80° Mostly Cloudy 39%
RAIN
.25–.5 in		 0% Thunder
( 24% severe)		 S   15 62% 64°
CAHOKIA, IL 62206 weather forecast Day 2, 15 hours 3 PM 80° 81° Mostly Cloudy S   16 54% 62°
CAHOKIA, IL 62206 weather forecast Day 2, 18 hours 6 PM 76° 78° Mostly Cloudy 54%
RAIN
***		 0% Thunder
( 33% severe)		 S   13 60% 61°
CAHOKIA, IL 62206 weather forecast Day 2, 21 hours 9 PM 73° 73° Mostly Cloudy S   12 66% 61°

EAST ST. LOUIS, IL extended weather forecast
Saturday
4 APR 2026		 Sunday
5 APR 2026		 Monday
6 APR 2026		 Tuesday
7 APR 2026		 Wednesday
8 APR 2026
Low 57° Low 38° Low 37° Low 37° Low 34°
High 63° High 59° High 60° High 53° High 61°
CAHOKIA, IL 62206 weather forecast Day 3 CAHOKIA, IL 62206 weather forecast Day 4 CAHOKIA, IL 62206 weather forecast Day 5 CAHOKIA, IL 62206 weather forecast Day 6 CAHOKIA, IL 62206 weather forecast Day 7
Overcast
85% Rain		 Clear
15% Rain		 Partly Cloudy
17% Rain		 Partly Cloudy
20% Rain/Snow		 Clear
14% Rain
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