Optimist Park, IN Weather Forecast & Current Conditions

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Optimist Park, IN Weather Maps

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Optimist Park Weather Map
UTC Time: 9/29/2026, 06:12
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Optimist Park, IN Regional Weather

Expires:202609290700;;229657
ASUS43 KIND 290610
RWRIN 

WEATHER ROUNDUP FOR INDIANA
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
200 AM EDT TUE SEP 29 2026

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

* - STATION DOES NOT REPORT WEATHER SUCH AS PRECIPITATION OR FOG.

+ - STATION NOT QUALITY CONTROLLED BY THE NATIONAL WEATHER SERVICE.
    USE DATA WITH CAUTION...ESPECIALLY DEWPOINT AND RELATIVE
    HUMIDITY OBSERVATIONS.


INZ001>003-010>013-019-020-290700-
NORTHWEST INDIANA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
GARY /AIRPORT/ CLEAR    N/A N/A N/A S3        30.04F                  
KNOX *+        CLEAR     48  48 100 CALM      30.06R                  
LA PORTE +     PTCLDY    50  50 100 S1        30.06S                  
6HR MIN TEMP:  50; 6HR MAX TEMP:  61;                                

MONTICELLO +   CLEAR     52  49  91 CALM      30.05F                  
6HR MIN TEMP:  51; 6HR MAX TEMP:  65; 6HR PCP:  0.01;                

RENSSELAER +   CLEAR     46  46 100 CALM      30.07S                  
VALPARAISO     CLEAR     52  52 100 CALM      30.07R                  
6HR MIN TEMP:  52; 6HR MAX TEMP:  60;                                


$$


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

Optimist Park, IN

Tonight
Cloudy
48°9°
0%
Tuesday
Cloudy
78°/ 62° 26°/ 17°
0%
Wednesday
Rain Showers
78°/ 68° 26°/ 20°
40%
Thursday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Friday
Rain Showers
65°/ 50° 18°/ 10°
50%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
40%
Sunday
Mostly Cloudy
65°/ 48° 18°/ 9°
0%
Monday
Sunny
62°17°
0%

Night: Mostly clear late in the evening, then becoming partly cloudy. Patchy fog after midnight. Areas of fog late. Lows in the upper 40s. East winds around 5 mph late in the evening, becoming light and variable.

Calumet City, IL

Tonight
Cloudy
52°11°
0%
Tuesday
Cloudy
78°/ 62° 26°/ 17°
0%
Wednesday
Rain Showers
78°/ 68° 26°/ 20°
50%
Thursday
Thunderstorms
75°/ 58° 24°/ 14°
90%
Friday
Rain Showers
65°/ 52° 18°/ 11°
50%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
30%
Sunday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Monday
Sunny
62°17°
0%

Night: Mostly clear late in the evening, then becoming partly cloudy. Patchy fog after midnight. Areas of fog late. Lows in the lower 50s. East winds around 5 mph late in the evening, becoming light and variable.

Chicago, IL

Tonight
Cloudy
55°13°
0%
Tuesday
Cloudy
75°/ 62° 24°/ 17°
0%
Wednesday
Rain Showers
75°/ 68° 24°/ 20°
50%
Thursday
Thunderstorms
72°/ 58° 22°/ 14°
90%
Friday
Rain Showers
65°/ 55° 18°/ 13°
40%
Saturday
Rain Showers
65°/ 55° 18°/ 13°
30%
Sunday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Monday
Sunny
60°16°
0%

Night: Mostly clear late in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 50s. East winds around 5 mph late in the evening, becoming light and variable.

Crete, IL

Tonight
Cloudy
50°10°
0%
Tuesday
Cloudy
78°/ 62° 26°/ 17°
0%
Wednesday
Rain Showers
78°/ 68° 26°/ 20°
40%
Thursday
Thunderstorms
75°/ 55° 24°/ 13°
80%
Friday
Rain Showers
65°/ 52° 18°/ 11°
50%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
40%
Sunday
Mostly Cloudy
65°/ 48° 18°/ 9°
0%
Monday
Sunny
62°17°
0%

Night: Mostly clear late in the evening, then becoming partly cloudy. Patchy fog after midnight. Areas of fog late. Lows around 50. East winds around 5 mph late in the evening, becoming light and variable.

Portage, IN

Tonight
Cloudy
50°10°
0%
Tuesday
Cloudy
78°/ 60° 26°/ 16°
0%
Wednesday
Rain Showers
78°/ 68° 26°/ 20°
30%
Thursday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Friday
Rain Showers
65°/ 50° 18°/ 10°
50%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
40%
Sunday
Mostly Cloudy
65°/ 48° 18°/ 9°
0%
Monday
Sunny
62°17°
0%

Night: Mostly clear late in the evening, then becoming partly cloudy. Patchy fog after midnight. Areas of fog late. Lows around 50. Northeast winds around 5 mph late in the evening, becoming light and variable.

Joliet, IL

Tonight
Cloudy
50°10°
0%
Tuesday
Cloudy
78°/ 62° 26°/ 17°
0%
Wednesday
Rain Showers
75°/ 68° 24°/ 20°
50%
Thursday
Thunderstorms
75°/ 58° 24°/ 14°
90%
Friday
Rain Showers
65°/ 52° 18°/ 11°
50%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
30%
Sunday
Mostly Cloudy
65°/ 48° 18°/ 9°
0%
Monday
Sunny
62°17°
0%

Night: Mostly clear late in the evening, then becoming partly cloudy. Patchy fog after midnight. Areas of fog late. Lows around 50. East winds around 5 mph late in the evening, becoming light and variable.

Kankakee, IL

Tonight
Cloudy
50°10°
0%
Tuesday
Sunny
78°/ 62° 26°/ 17°
0%
Wednesday
Rain Showers
80°/ 68° 27°/ 20°
30%
Thursday
Thunderstorms
78°/ 55° 26°/ 13°
70%
Friday
Rain Showers
65°/ 52° 18°/ 11°
50%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
40%
Sunday
Mostly Cloudy
68°/ 48° 20°/ 9°
0%
Monday
Sunny
62°17°
0%

Night: Clear late in the evening, then becoming partly cloudy. Patchy fog after midnight. Areas of fog late. Lows around 50. East winds around 5 mph late in the evening, becoming light and variable.

Naperville, IL

Tonight
Cloudy
52°11°
0%
Tuesday
Cloudy
75°/ 62° 24°/ 17°
0%
Wednesday
Rain Showers
75°/ 65° 24°/ 18°
50%
Thursday
Thunderstorms
72°/ 58° 22°/ 14°
90%
Friday
Rain Showers
65°/ 52° 18°/ 11°
40%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
30%
Sunday
Mostly Cloudy
65°/ 48° 18°/ 9°
0%
Monday
Sunny
62°17°
0%

Night: Mostly clear late in the evening, then becoming partly cloudy. Patchy fog after midnight. Areas of fog late. Lows in the lower 50s. East winds around 5 mph late in the evening, becoming light and variable.

Roselawn, IN

Tonight
Cloudy
48°9°
0%
Tuesday
Sunny
78°/ 60° 26°/ 16°
0%
Wednesday
Mostly Cloudy
82°/ 68° 28°/ 20°
20%
Thursday
Thunderstorms
78°/ 55° 26°/ 13°
70%
Friday
Rain Showers
65°/ 50° 18°/ 10°
60%
Saturday
Rain Showers
68°/ 50° 20°/ 10°
40%
Sunday
Mostly Cloudy
68°/ 48° 20°/ 9°
0%
Monday
Sunny
62°17°
0%

Night: Clear late in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s. Light and variable winds.

Michigan City, IN

Tonight
Clear
50°10°
0%
Tuesday
Sunny
75°/ 58° 24°/ 14°
0%
Wednesday
Rain Showers
75°/ 65° 24°/ 18°
40%
Thursday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Friday
Thunderstorms
65°/ 48° 18°/ 9°
70%
Saturday
Rain Showers
65°/ 50° 18°/ 10°
40%
Sunday
Rain Showers
65°/ 48° 18°/ 9°
20%
Monday
Sunny
60°16°
0%

Night: Mostly clear. Not as cool with lows around 50. North winds around 5 mph late this evening, becoming light and variable.

Channahon, IL

Tonight
Cloudy
50°10°
0%
Tuesday
Cloudy
78°/ 62° 26°/ 17°
0%
Wednesday
Rain Showers
78°/ 68° 26°/ 20°
40%
Thursday
Thunderstorms
75°/ 58° 24°/ 14°
80%
Friday
Rain Showers
68°/ 52° 20°/ 11°
50%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
30%
Sunday
Mostly Cloudy
68°/ 48° 20°/ 9°
0%
Monday
Sunny
62°17°
0%

Night: Mostly clear late in the evening, then becoming partly cloudy. Patchy fog after midnight. Areas of fog late. Lows around 50. East winds around 5 mph late in the evening, becoming light and variable.

Rensselaer, IN

Tonight
Cloudy
48°9°
0%
Tuesday
Sunny
78°/ 58° 26°/ 14°
0%
Wednesday
Mostly Cloudy
80°/ 68° 27°/ 20°
20%
Thursday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Friday
Rain Showers
65°/ 50° 18°/ 10°
60%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
40%
Sunday
Mostly Cloudy
68°/ 48° 20°/ 9°
0%
Monday
Sunny
62°17°
0%

Night: Mostly clear late in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s. Light and variable winds.

Wanatah, IN

Tonight
Clear
50°10°
0%
Tuesday
Sunny
75°/ 58° 24°/ 14°
0%
Wednesday
Cloudy
78°/ 68° 26°/ 20°
20%
Thursday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Friday
Thunderstorms
65°/ 48° 18°/ 9°
70%
Saturday
Rain Showers
65°/ 50° 18°/ 10°
40%
Sunday
Rain Showers
65°/ 48° 18°/ 9°
30%
Monday
Sunny
62°17°
0%

Night: Mostly clear. Not as cool with lows around 50. North winds around 5 mph late this evening, becoming light and variable.

Evanston, IL

Tonight
Mostly Cloudy
52°11°
0%
Tuesday
Cloudy
75°/ 62° 24°/ 17°
20%
Wednesday
Rain Showers
72°/ 68° 22°/ 20°
50%
Thursday
Thunderstorms
72°/ 58° 22°/ 14°
90%
Friday
Rain Showers
65°/ 52° 18°/ 11°
40%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
30%
Sunday
Mostly Cloudy
65°/ 48° 18°/ 9°
0%
Monday
Sunny
60°16°
0%

Night: Mostly clear late in the evening, then becoming mostly cloudy. Patchy fog after midnight. Areas of fog late. Lows in the lower 50s. Northeast winds around 5 mph late in the evening, becoming light and variable.

Niles, MI

Tonight
Clear
50°10°
0%
Tuesday
Sunny
75°/ 58° 24°/ 14°
0%
Wednesday
Rain Showers
75°/ 65° 24°/ 18°
40%
Thursday
Thunderstorms
72°/ 55° 22°/ 13°
80%
Friday
Thunderstorms
65°/ 48° 18°/ 9°
70%
Saturday
Rain Showers
65°/ 48° 18°/ 9°
30%
Sunday
Rain Showers
65°/ 45° 18°/ 7°
20%
Monday
Sunny
60°16°
0%

Night: Mostly clear. Not as cool with lows around 50. North winds around 5 mph late this evening, becoming light and variable.

Knox, IN

Tonight
Clear
50°10°
0%
Tuesday
Sunny
78°/ 58° 26°/ 14°
0%
Wednesday
Cloudy
78°/ 68° 26°/ 20°
20%
Thursday
Thunderstorms
78°/ 55° 26°/ 13°
70%
Friday
Thunderstorms
65°/ 48° 18°/ 9°
70%
Saturday
Rain Showers
65°/ 50° 18°/ 10°
40%
Sunday
Rain Showers
65°/ 48° 18°/ 9°
30%
Monday
Sunny
62°17°
0%

Night: Mostly clear. Not as cool with lows around 50. North winds around 5 mph late this evening, becoming light and variable.

Morris, IL

Tonight
Cloudy
50°10°
0%
Tuesday
Cloudy
80°/ 62° 27°/ 17°
0%
Wednesday
Rain Showers
80°/ 68° 27°/ 20°
40%
Thursday
Thunderstorms
75°/ 58° 24°/ 14°
80%
Friday
Rain Showers
68°/ 52° 20°/ 11°
50%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
30%
Sunday
Mostly Cloudy
68°/ 50° 20°/ 10°
0%
Monday
Sunny
65°18°
0%

Night: Clear late in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows around 50. East winds around 5 mph late in the evening, becoming light and variable.

Watseka, IL

Tonight
Clear
50°10°
0%
Tuesday
Sunny
80°/ 60° 27°/ 16°
0%
Wednesday
Mostly Cloudy
82°/ 68° 28°/ 20°
20%
Thursday
Thunderstorms
80°/ 58° 27°/ 14°
80%
Friday
Rain Showers
68°/ 52° 20°/ 11°
60%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
40%
Sunday
Mostly Cloudy
68°/ 48° 20°/ 9°
0%
Monday
Sunny
65°18°
0%

Night: Mostly clear. Patchy fog after midnight. Lows around 50. East winds around 5 mph late in the evening, becoming light and variable.

Aurora, IL

Tonight
Cloudy
48°9°
0%
Tuesday
Mostly Cloudy
75°/ 62° 24°/ 17°
20%
Wednesday
Rain Showers
75°/ 65° 24°/ 18°
60%
Thursday
Thunderstorms
72°/ 55° 22°/ 13°
90%
Friday
Rain Showers
65°/ 48° 18°/ 9°
40%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
30%
Sunday
Mostly Cloudy
65°/ 45° 18°/ 7°
0%
Monday
Sunny
62°17°
0%

Night: Mostly clear late in the evening, then becoming partly cloudy. Patchy fog after midnight. Areas of fog late. Lows in the upper 40s. East winds around 5 mph late in the evening, becoming light and variable.

Winamac, IN

Tonight
Clear
50°10°
0%
Tuesday
Sunny
78°/ 58° 26°/ 14°
0%
Wednesday
Cloudy
80°/ 68° 27°/ 20°
0%
Thursday
Rain Showers
78°/ 58° 26°/ 14°
70%
Friday
Thunderstorms
65°/ 50° 18°/ 10°
70%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
40%
Sunday
Rain Showers
65°/ 48° 18°/ 9°
30%
Monday
Sunny
62°17°
0%

Night: Mostly clear. Not as cool with lows around 50. North winds around 5 mph late this evening, becoming light and variable.

Names listed above may include county names.

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