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Dahlgren, IL Weather Forecast & Current Conditions

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Dahlgren, IL Weather Maps

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Dahlgren Weather Map
UTC Time: 10/25/2026, 07:37
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Dahlgren, IL Regional Weather

Expires:202610250800;;148965
ASUS43 KLOT 250711
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT SUN OCT 25 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>094-250800-
SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLEAR     47  46  97 CALM      30.38R TC   8           
CAIRO*         CLEAR     49  49 100 CALM      30.38S TC  10           
EFFINGHAM*     CLEAR     46  44  94 CALM      30.41S TC   8           
MARION         CLEAR     54  43  66 CALM      30.38S TC  12           
MT. VERNON     CLEAR     42  42 100 CALM      30.39R TC   6           
CENTRALIA*     CLEAR     46  44  93 E3        30.38S TC   8           
SALEM*         CLEAR     49  45  84 MISG      30.38S TC  10           
METROPOLIS*    CLEAR     47  47  97 CALM      30.39R TC   9           
$$


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

Dahlgren, IL

Tonight
Clear
45°7°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Partly Cloudy
78°/ 48° 26°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
80°/ 55° 27°/ 13°
0%

Night: Mostly clear. Lows in the mid 40s. Southeast winds around 5 mph this evening, becoming light and variable.

Mount Vernon, IL

Tonight
Clear
45°7°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Partly Cloudy
78°/ 48° 26°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
82°/ 55° 28°/ 13°
0%

Night: Mostly clear. Lows in the mid 40s. Southeast winds around 5 mph this evening, becoming light and variable.

West Frankfort, IL

Tonight
Clear
48°9°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Partly Cloudy
78°/ 48° 26°/ 9°
0%
Tuesday
Partly Cloudy
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
80°/ 52° 27°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
82°/ 55° 28°/ 13°
0%

Night: Mostly clear. Lows in the upper 40s. East winds around 5 mph this evening, becoming light and variable.

Fairfield, IL

Tonight
Clear
45°7°
0%
Sunday
Sunny
78°/ 48° 26°/ 9°
0%
Monday
Partly Cloudy
78°/ 48° 26°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
80°/ 55° 27°/ 13°
0%

Night: Mostly clear. Lows in the mid 40s. Southeast winds around 5 mph this evening, becoming light and variable.

Carmi, IL

Tonight
Clear
48°9°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Partly Cloudy
78°/ 48° 26°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
80°/ 52° 27°/ 11°
0%
Friday
Sunny
80°/ 55° 27°/ 13°
0%

Night: Mostly clear. Lows in the upper 40s. East winds around 5 mph this evening, becoming light and variable.

Harrisburg, IL

Tonight
Clear
48°9°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Partly Cloudy
78°/ 48° 26°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
80°/ 52° 27°/ 11°
0%
Friday
Sunny
80°/ 55° 27°/ 13°
0%

Night: Mostly clear. Lows in the upper 40s. East winds around 5 mph this evening, becoming light and variable.

Herrin, IL

Tonight
Clear
48°9°
0%
Sunday
Sunny
78°/ 52° 26°/ 11°
0%
Monday
Partly Cloudy
78°/ 48° 26°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
80°/ 52° 27°/ 11°
0%
Friday
Sunny
80°/ 55° 27°/ 13°
0%

Night: Mostly clear. Lows in the upper 40s. East winds around 5 mph this evening, becoming light and variable.

Shawneetown, IL

Tonight
Clear
48°9°
0%
Sunday
Sunny
78°/ 48° 26°/ 9°
0%
Monday
Partly Cloudy
78°/ 48° 26°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
78°/ 52° 26°/ 11°
0%
Friday
Sunny
78°/ 55° 26°/ 13°
0%

Night: Mostly clear. Lows in the upper 40s. East winds around 5 mph this evening, becoming light and variable.

Pinckneyville, IL

Tonight
Clear
48°9°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Partly Cloudy
78°/ 48° 26°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
80°/ 55° 27°/ 13°
0%

Night: Mostly clear. Lows in the upper 40s. Calm winds.

Albion, IL

Tonight
Clear
48°9°
0%
Sunday
Sunny
75°/ 50° 24°/ 10°
0%
Monday
Partly Cloudy
78°/ 48° 26°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
80°/ 52° 27°/ 11°
0%
Friday
Sunny
78°/ 55° 26°/ 13°
0%

Night: Mostly clear. Lows in the upper 40s. Calm winds.

Carbondale, IL

Tonight
Clear
48°9°
0%
Sunday
Sunny
78°/ 52° 26°/ 11°
0%
Monday
Partly Cloudy
78°/ 50° 26°/ 10°
0%
Tuesday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
80°/ 52° 27°/ 11°
0%
Friday
Sunny
78°/ 55° 26°/ 13°
0%

Night: Mostly clear. Lows in the upper 40s. East winds around 5 mph this evening, becoming light and variable.

Poseyville, IN

Tonight
Clear
48°9°
0%
Sunday
Sunny
75°/ 50° 24°/ 10°
0%
Monday
Sunny
75°/ 50° 24°/ 10°
0%
Tuesday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
78°/ 52° 26°/ 11°
0%
Friday
Sunny
78°/ 55° 26°/ 13°
0%

Night: Mostly clear. Lows in the upper 40s. Calm winds.

Mount Carmel, IL

Tonight
Clear
45°7°
0%
Sunday
Sunny
75°/ 50° 24°/ 10°
0%
Monday
Sunny
78°/ 48° 26°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Partly Cloudy
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
78°/ 52° 26°/ 11°
0%
Friday
Sunny
78°/ 55° 26°/ 13°
0%

Night: Mostly clear. Lows in the mid 40s. Calm winds.

Vienna, IL

Tonight
Clear
48°9°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Partly Cloudy
75°/ 48° 24°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
78°/ 50° 26°/ 10°
0%
Thursday
Sunny
78°/ 52° 26°/ 11°
0%
Friday
Sunny
78°/ 55° 26°/ 13°
0%

Night: Mostly clear. Lows in the upper 40s. Calm winds.

Golconda, IL

Tonight
Clear
48°9°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Sunny
75°/ 48° 24°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
78°/ 50° 26°/ 10°
0%
Thursday
Sunny
78°/ 52° 26°/ 11°
0%
Friday
Sunny
78°/ 55° 26°/ 13°
0%

Night: Mostly clear. Lows in the upper 40s. Calm winds.

Elizabethtown, IL

Tonight
Clear
48°9°
0%
Sunday
Sunny
75°/ 50° 24°/ 10°
0%
Monday
Sunny
75°/ 48° 24°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
78°/ 52° 26°/ 11°
0%
Friday
Sunny
78°/ 55° 26°/ 13°
0%

Night: Mostly clear. Lows in the upper 40s. Northeast winds around 5 mph this evening, becoming light and variable.

Morganfield, KY

Overnight
Clear
48°9°
0%
Sunday
Sunny
78°/ 45° 26°/ 7°
0%
Monday
Partly Cloudy
78°/ 45° 26°/ 7°
0%
Tue-Tue Night
Mostly Cloudy
75°24°
0%
Wednesday
Sunny
78°/ 48° 26°/ 9°
0%
Thu-Thu Night
Clear
78°26°
0%
Friday
Sunny
78°/ 55° 26°/ 13°
0%

Night: Mostly clear. Near steady temperature in the upper 40s. Calm winds.

Jonesboro, IL

Tonight
Clear
48°9°
0%
Sunday
Sunny
75°/ 52° 24°/ 11°
0%
Monday
Partly Cloudy
75°/ 48° 24°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
78°/ 52° 26°/ 11°
0%
Friday
Sunny
78°/ 55° 26°/ 13°
0%

Night: Mostly clear. Lows in the upper 40s. Calm winds.

Fort Branch, IN

Tonight
Clear
48°9°
0%
Sunday
Sunny
75°/ 50° 24°/ 10°
0%
Monday
Sunny
75°/ 48° 24°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Partly Cloudy
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
78°/ 52° 26°/ 11°
0%
Friday
Sunny
78°/ 55° 26°/ 13°
0%

Night: Mostly clear. Lows in the upper 40s. Calm winds.

Henderson, KY

Overnight
Clear
45°7°
0%
Sunday
Sunny
78°/ 45° 26°/ 7°
0%
Monday
Sunny
78°/ 48° 26°/ 9°
0%
Tue-Tue Night
Mostly Cloudy
75°24°
0%
Wednesday
Sunny
78°/ 50° 26°/ 10°
0%
Thu Night
Cloudy
50°10°
0%
Friday
Sunny
78°/ 55° 26°/ 13°
0%
Saturday
Rain Showers
75°24°
30%

Night: Clear. Lows in the mid 40s. Calm winds.

Names listed above may include county names.

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