Hook Lake, IL Weather Forecast & Current Conditions

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Hook Lake, IL Weather Maps

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Hook Lake Weather Map
UTC Time: 9/18/2026, 21:49
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Hook Lake, IL Regional Weather

Expires:202609182200;;675882
ASUS43 KLOT 182112
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CDT FRI SEP 18 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
  REPORT WEATHER SUCH AS PRECIPITATION OR FOG.


ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182200-
SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     MOSUNNY   93  70  46 SW7       30.05F HX  99  TC  34   
CAIRO*         MOSUNNY   99  67  35 CALM      30.06F HX 103  TC  37   
EFFINGHAM*     MOSUNNY   89  64  42 CALM      30.08S HX  90  TC  32   
MT. VERNON     PTSUNNY   96  69  41 W5        30.05F HX 102  TC  36   
SALEM*         SUNNY     97  70  42 MISG      30.05F HX 104  TC  36   
METROPOLIS*    SUNNY     98  65  33 SW7       30.07S HX 100  TC  37   
$$


SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Hook Lake, IL

Afternoon
Thunderstorms
92°/ 68° 33°/ 20°
30%
Saturday
Sunny
95°/ 70° 35°/ 21°
0%
Sunday
Thunderstorms
92°/ 62° 33°/ 17°
60%
Monday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Near steady temperature in the lower 90s. Northeast winds around 5 mph. Chance of rain 30 percent. Heat index values up to 102.

Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Southeast winds around 5 mph. Chance of rain 20 percent.

Marion, IL

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Thunderstorms
95°/ 68° 35°/ 20°
50%
Monday
Thunderstorms
82°/ 60° 28°/ 16°
60%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. North winds around 5 mph. Chance of rain 30 percent. Heat index values up to 106.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 101 early in the evening.

Bond, IL

Afternoon
Thunderstorms
95°/ 70° 35°/ 21°
30%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Thunderstorms
92°/ 65° 33°/ 18°
50%
Monday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Northeast winds around 5 mph. Chance of rain 30 percent. Heat index values up to 106.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows around 70. Southeast winds around 5 mph. Chance of rain 20 percent.

Montgomery, IL

Afternoon
Thunderstorms
92°/ 68° 33°/ 20°
30%
Saturday
Sunny
95°/ 70° 35°/ 21°
0%
Sunday
Thunderstorms
92°/ 62° 33°/ 17°
60%
Monday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Near steady temperature in the lower 90s. Northeast winds around 5 mph. Chance of rain 30 percent. Heat index values up to 102.

Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Southeast winds around 5 mph. Chance of rain 20 percent.

Clinton, IL

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Thunderstorms
95°/ 68° 35°/ 20°
50%
Monday
Thunderstorms
82°/ 60° 28°/ 16°
60%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. North winds around 5 mph. Chance of rain 30 percent. Heat index values up to 106.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 101 early in the evening.

Effingham, IL

Tonight
Thunderstorms
72°22°
20%
Saturday
Sunny
95°/ 70° 35°/ 21°
0%
Sunday
Sunny
92°/ 65° 33°/ 18°
50%
Monday
Thunderstorms
78°/ 58° 26°/ 14°
60%
Tuesday
Mostly Cloudy
72°22°
0%
Wednesday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Thursday
Cloudy
55°13°
0%
Friday
Cloudy
55°13°
0%

Night: Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. East winds around 5 mph. Chance of rain 20 percent.

Shelbyville, IL

Tonight
Thunderstorms
72°22°
20%
Saturday
Thunderstorms
92°/ 70° 33°/ 21°
20%
Sunday
Rain Showers
90°/ 62° 32°/ 17°
70%
Monday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Tuesday
Mostly Cloudy
72°22°
0%
Wednesday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Thursday
Cloudy
55°13°
0%
Friday
Cloudy
55°13°
0%

Night: Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. East winds 5 to 10 mph, becoming southeast after midnight. Chance of rain 20 percent.

Flora, IL

Tonight
Thunderstorms
72°22°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Sunny
95°/ 65° 35°/ 18°
40%
Mon-Mon Night
Thunderstorms
82°28°
50%
Tuesday
Mostly Cloudy
75°24°
0%
Wednesday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Cloudy
55°13°
0%
Friday
Cloudy
55°13°
0%

Night: Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. East winds around 5 mph. Chance of rain 20 percent.

Washington, IL

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Thunderstorms
95°/ 68° 35°/ 20°
50%
Monday
Thunderstorms
82°/ 60° 28°/ 16°
60%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. North winds around 5 mph. Chance of rain 30 percent. Heat index values up to 106.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 101 early in the evening.

Madison, IL

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
70%
Monday
Thunderstorms
80°/ 60° 27°/ 16°
70%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southeast winds around 5 mph. Chance of rain 30 percent. Heat index values up to 107.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening.

Mount Vernon, IL

Tonight
Thunderstorms
72°22°
20%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Sunny
95°/ 68° 35°/ 20°
40%
Mon-Mon Night
Thunderstorms
85°29°
50%
Tuesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%
Friday
Cloudy
55°13°
0%

Night: Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent.

Taylorville, IL

Tonight
Cloudy
72°22°
0%
Saturday
Partly Cloudy
92°/ 70° 33°/ 21°
20%
Sunday
Rain Showers
88°/ 62° 31°/ 17°
70%
Monday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Tuesday
Mostly Cloudy
72°22°
0%
Wednesday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Thursday
Cloudy
55°13°
0%
Friday
Cloudy
55°13°
0%

Night: Partly cloudy. Lows in the lower 70s. East winds 5 to 10 mph, becoming southeast after midnight.

Greene, IL

Afternoon
Thunderstorms
92°/ 70° 33°/ 21°
20%
Saturday
Sunny
95°/ 70° 35°/ 21°
0%
Sunday
Thunderstorms
88°/ 62° 31°/ 17°
70%
Monday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Tue-Tue Night
Mostly Cloudy
70°21°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a slight chance of showers and thunderstorms. Near steady temperature in the lower 90s. East winds around 5 mph. Chance of rain 20 percent. Heat index values up to 104.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 70. Southeast winds around 5 mph. Chance of rain 20 percent.

Fairfield, IL

Tonight
Thunderstorms
70°21°
20%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Sunny
95°/ 68° 35°/ 20°
40%
Mon-Mon Night
Thunderstorms
85°29°
50%
Tuesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%
Friday
Cloudy
55°13°
0%

Night: Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows around 70. Southeast winds around 5 mph. Chance of rain 20 percent.

Saint Clair, IL

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
70%
Monday
Thunderstorms
80°/ 60° 27°/ 16°
70%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southeast winds around 5 mph. Chance of rain 30 percent. Heat index values up to 107.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening.

Greenup, IL

Tonight
Thunderstorms
70°21°
20%
Saturday
Thunderstorms
92°/ 70° 33°/ 21°
20%
Sunday
Rain Showers
92°/ 62° 33°/ 17°
50%
Monday
Thunderstorms
78°/ 58° 26°/ 14°
60%
Tuesday
Mostly Cloudy
72°22°
0%
Wednesday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Thursday
Cloudy
55°13°
0%
Friday
Cloudy
55°13°
0%

Night: Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly cloudy after midnight. Lows around 70. East winds 5 to 10 mph, becoming southeast after midnight. Chance of rain 20 percent.

Newton, IL

Tonight
Thunderstorms
72°22°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Sunny
92°/ 65° 33°/ 18°
50%
Monday
Rain Showers
80°/ 58° 27°/ 14°
60%
Tuesday
Mostly Cloudy
75°24°
0%
Wednesday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Cloudy
55°13°
0%
Friday
Cloudy
55°13°
0%

Night: Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. East winds 5 to 10 mph. Chance of rain 20 percent.

Olney, IL

Tonight
Thunderstorms
72°22°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Sunny
95°/ 65° 35°/ 18°
40%
Monday
Rain Showers
82°/ 60° 28°/ 16°
50%
Tuesday
Mostly Cloudy
75°24°
0%
Wednesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Cloudy
58°14°
0%
Friday
Cloudy
58°14°
0%

Night: Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. East winds around 5 mph. Chance of rain 20 percent.

Pinckneyville, IL

Tonight
Thunderstorms
72°22°
20%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Sunny
95°/ 68° 35°/ 20°
40%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Tuesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%
Friday
Cloudy
55°13°
0%

Night: Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent.

Sullivan, IL

Tonight
Cloudy
70°21°
0%
Saturday
Thunderstorms
92°/ 70° 33°/ 21°
30%
Sunday
Rain Showers
88°/ 62° 31°/ 17°
70%
Monday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Tuesday
Mostly Cloudy
70°21°
0%
Wednesday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Thursday
Cloudy
55°13°
0%
Friday
Cloudy
55°13°
0%

Night: Partly cloudy. Lows around 70. East winds 5 to 10 mph, becoming southeast after midnight.

Names listed above may include county names.

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