Prairie Grove, IL Weather Forecast & Current Conditions

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Prairie Grove, IL Weather Maps

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Prairie Grove Weather Map
UTC Time: 9/18/2026, 15:22
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Prairie Grove, IL Regional Weather

Expires:202609181600;;660141
ASUS43 KLOT 181511
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM 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.


ILZ005-006-012>014-019>023-181600-
NORTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  PTSUNNY   69  54  58 NE16      30.28R TC  21           
CHICAGO-MIDWAY PTSUNNY   71  58  63 E14G24    30.26S TC  22           
AURORA         PTSUNNY   68  58  70 NE9       30.28R TC  20           
JOLIET*        CLOUDY    70  61  72 NE12      30.26R TC  21           
WAUKEGAN       MOSUNNY   69  61  75 E13       30.30R TC  21           
DUPAGE AIRPORT CLOUDY    69  57  65 NE13      30.28R TC  21           
KANKAKEE*      CLOUDY    69  67  94 E9        30.26R TC  21           
WHEELING       MOSUNNY   69  56  62 E13       30.31R TC  21           
LANSING*       CLOUDY    67  60  77 NE7       30.26S TC  20           
NORTHERLY ISL*   N/A     69  58  67 NE15        N/A  TC  21           
$$


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

Prairie Grove, IL

Today
Mostly Cloudy
70°/ 58° 21°/ 14°
90%
Saturday
Thunderstorms
72°/ 58° 22°/ 14°
100%
Sunday
Thunderstorms
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Highs around 70. East winds 5 to 10 mph.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with thunderstorms likely after midnight. Locally heavy rainfall possible late. Lows in the upper 50s. East winds around 10 mph. Chance of precipitation 90 percent.

Waukegan, IL

Today
Mostly Cloudy
70°/ 58° 21°/ 14°
90%
Saturday
Thunderstorms
72°/ 58° 22°/ 14°
100%
Sunday
Thunderstorms
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 50° 17°/ 10°
50%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Mostly Cloudy
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs around 70. East winds 10 to 15 mph.

Night: Cloudy. A slight chance of showers and thunderstorms late in the evening. Showers likely with a chance of thunderstorms after midnight, then showers with thunderstorms likely late. Locally heavy rainfall possible late. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation 90 percent.

Evanston, IL

Today
Mostly Cloudy
70°/ 58° 21°/ 14°
80%
Saturday
Thunderstorms
72°/ 60° 22°/ 16°
100%
Sunday
Thunderstorms
68°/ 52° 20°/ 11°
70%
Monday
Rain Showers
62°/ 52° 17°/ 11°
60%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Highs around 70. East winds 5 to 10 mph.

Night: Mostly cloudy. A slight chance of showers and thunderstorms late in the evening. A chance of showers and thunderstorms after midnight, then showers with thunderstorms likely late. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation 80 percent.

Aurora, IL

Today
Mostly Cloudy
72°/ 58° 22°/ 14°
80%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 52° 20°/ 11°
70%
Monday
Rain Showers
62°/ 50° 17°/ 10°
60%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Highs in the lower 70s. East winds 5 to 10 mph.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Lows in the upper 50s. East winds around 10 mph. Chance of precipitation 80 percent.

Whitewater, WI

Today
Rain Showers
70°/ 58° 21°/ 14°
100%
Saturday
Thunderstorms
70°/ 58° 21°/ 14°
90%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
60%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
60°/ 48° 16°/
20%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy. A 20 percent chance of light rain showers late in the afternoon. Highs around 70. East winds 5 to 15 mph.

Night: Chance of showers through around midnight. Chance of thunderstorms in the late evening and overnight. Showers after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Kenosha, WI

Today
Partly Cloudy
70°/ 60° 21°/ 16°
100%
Saturday
Thunderstorms
70°/ 58° 21°/ 14°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
60%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Mostly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Partly sunny. Highs around 70. East winds 5 to 15 mph.

Night: Chance of light showers through around midnight, then showers and chance of thunderstorms after midnight. Locally heavy rainfall possible early in the morning. Lows around 60. East winds 5 to 15 mph. Chance of precipitation near 100 percent.

Naperville, IL

Today
Mostly Cloudy
72°/ 60° 22°/ 16°
80%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Monday
Thunderstorms
62°/ 52° 17°/ 11°
60%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Highs in the lower 70s. East winds 5 to 10 mph.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Showers with thunderstorms likely late. Lows around 60. East winds around 10 mph. Chance of precipitation 80 percent.

Belvidere, IL

Today
Rain Showers
72°/ 58° 22°/ 14°
90%
Saturday
Thunderstorms
72°/ 58° 22°/ 14°
100%
Sunday
Thunderstorms
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 45° 18°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. A slight chance of showers in the afternoon. Highs in the lower 70s. East winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 20 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with thunderstorms likely after midnight. Locally heavy rainfall possible late. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation 90 percent.

DeKalb, IL

Today
Rain Showers
72°/ 60° 22°/ 16°
90%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 52° 20°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
60%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. A slight chance of showers early in the afternoon. Highs in the lower 70s. East winds 10 to 15 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Lows around 60. East winds 10 to 15 mph. Chance of precipitation 90 percent.

Racine, WI

Today
Mostly Cloudy
68°/ 58° 20°/ 14°
100%
Saturday
Thunderstorms
68°/ 58° 20°/ 14°
90%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
60%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Mostly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
65°18°
0%

Day: Mostly cloudy. Highs in the upper 60s. East winds 5 to 15 mph.

Night: Chance of light rain showers through around midnight, then rain showers and chance of thunderstorms after midnight. Locally heavy rainfall possible early in the morning. Lows in the upper 50s. East winds 5 to 15 mph. Chance of precipitation near 100 percent.

Chicago, IL

Today
Mostly Cloudy
72°/ 60° 22°/ 16°
70%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Monday
Thunderstorms
62°/ 55° 17°/ 13°
60%
Tuesday
Rain Showers
62°/ 55° 17°/ 13°
30%
Wednesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Highs in the lower 70s. East winds 10 to 15 mph.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Showers and thunderstorms likely late. Lows around 60. East winds 10 to 15 mph. Chance of precipitation 70 percent.

Rockford, IL

Today
Rain Showers
72°/ 58° 22°/ 14°
90%
Saturday
Thunderstorms
72°/ 58° 22°/ 14°
100%
Sunday
Thunderstorms
65°/ 50° 18°/ 10°
70%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 45° 18°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. A slight chance of showers in the late morning and afternoon. Highs in the lower 70s. East winds 10 to 15 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with thunderstorms likely after midnight. Locally heavy rainfall possible late. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation 90 percent.

Janesville, WI

Today
Rain Showers
72°/ 60° 22°/ 16°
100%
Saturday
Thunderstorms
70°/ 58° 21°/ 14°
90%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
70%
Monday
Rain Showers
60°/ 48° 16°/
50%
Tuesday
Rain Showers
60°/ 45° 16°/
20%
Wednesday
Partly Cloudy
62°/ 45° 17°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy. A 20 percent chance of light rain showers in the afternoon. Highs in the lower 70s. East winds 5 to 15 mph.

Night: Showers likely and slight chance of thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible after midnight. Lows around 60. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Oswego, IL

Today
Mostly Cloudy
75°/ 62° 24°/ 17°
70%
Saturday
Thunderstorms
78°/ 65° 26°/ 18°
100%
Sunday
Thunderstorms
70°/ 55° 21°/ 13°
80%
Monday
Thunderstorms
65°/ 52° 18°/ 11°
60%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Thursday
Mostly Cloudy
70°21°
0%

Day: Mostly cloudy. Highs in the mid 70s. East winds 5 to 10 mph.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Showers and thunderstorms likely late. Lows in the lower 60s. East winds around 10 mph. Chance of precipitation 70 percent.

Rochelle, IL

Today
Rain Showers
72°/ 60° 22°/ 16°
90%
Saturday
Thunderstorms
75°/ 58° 24°/ 14°
100%
Sunday
Thunderstorms
68°/ 52° 20°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
60%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 45° 18°/
0%
Thursday
Cloudy
68°20°
0%

Day: Mostly cloudy. A slight chance of showers in the late morning and early afternoon. Highs in the lower 70s. East winds 5 to 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Lows around 60. East winds 10 to 15 mph. Chance of precipitation 90 percent.

Joliet, IL

Today
Mostly Cloudy
72°/ 62° 22°/ 17°
70%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
80%
Monday
Thunderstorms
62°/ 52° 17°/ 11°
60%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Highs in the lower 70s. East winds 5 to 10 mph.

Night: Partly cloudy in the evening, then becoming cloudy. A chance of showers and thunderstorms after midnight. Showers and thunderstorms likely late. Lows in the lower 60s. East winds around 10 mph. Chance of precipitation 70 percent.

Waukesha, WI

Today
Rain Showers
68°/ 58° 20°/ 14°
100%
Saturday
Thunderstorms
68°/ 55° 20°/ 13°
90%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
50%
Monday
Rain Showers
60°/ 48° 16°/
50%
Tuesday
Rain Showers
60°/ 48° 16°/
20%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy. A 20 percent chance of light rain showers late in the afternoon. Highs in the upper 60s. East winds 5 to 15 mph.

Night: Rain showers likely through around midnight. Chance of thunderstorms through the night. Rain showers after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Milwaukee, WI

Today
Rain Showers
68°/ 58° 20°/ 14°
100%
Saturday
Thunderstorms
68°/ 55° 20°/ 13°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Rain Showers
62°/ 50° 17°/ 10°
50%
Tuesday
Rain Showers
62°/ 50° 17°/ 10°
20%
Wednesday
Partly Cloudy
62°/ 50° 17°/ 10°
0%
Thursday
Partly Cloudy
65°18°
0%

Day: Mostly cloudy. A 20 percent chance of light rain showers late in the afternoon. Highs in the upper 60s. East winds 5 to 15 mph.

Night: Chance of light rain showers in the evening, then rain showers in the late evening and overnight. Chance of thunderstorms after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Calumet City, IL

Today
Mostly Cloudy
72°/ 60° 22°/ 16°
70%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
70°/ 55° 21°/ 13°
80%
Monday
Thunderstorms
62°/ 52° 17°/ 11°
60%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Highs in the lower 70s. East winds around 10 mph.

Night: Partly cloudy in the evening, then becoming cloudy. A chance of showers and thunderstorms after midnight. Showers and thunderstorms likely late. Lows around 60. East winds 5 to 10 mph. Chance of precipitation 70 percent.

Watertown, WI

Today
Rain Showers
68°/ 60° 20°/ 16°
100%
Saturday
Thunderstorms
68°/ 55° 20°/ 13°
90%
Sunday
Rain Showers
65°/ 48° 18°/
50%
Monday
Rain Showers
62°/ 45° 17°/
40%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 45° 18°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy. A 40 percent chance of light rain showers in the afternoon. Highs in the upper 60s. East winds 5 to 15 mph.

Night: Chance of light showers in the evening, then showers and chance of thunderstorms in the late evening and overnight. Locally heavy rainfall possible after midnight. Lows around 60. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Names listed above may include county names.

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