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Olympia Fields, IL Hourly Weather Forecast

Next 48 Hours

Fri, May 15th 2026

Sunny skies in the morning, with scattered showers expected by night. Rain forecasted to be scattered showers (up to 0.00in), light rain shower (up to 0.06in). Warming trend from 59°F to 76°. Breezy wind, shifting from S to S at 11.9 mph, as humidity fluctuates between 46% to 87%, and an avg barometric pressure of 29.86 inHg.
Fri, May 15th Temp Humidity Wind (mph) Pressure (inHg) Precip.
10 AM Sunny at 10 AM on Fri, May 15th 2026
Sunny
UV: 0.6
59°F

Feels
58°F
61% 12.8 S 29.94 0%
11 AM Overcast at 11 AM on Fri, May 15th 2026
Overcast
UV: 1.9
62°F

Feels
62°F
66% 13.6 S 29.92 0%
12 PM Sunny at 12 PM on Fri, May 15th 2026
Sunny
UV: 4.4
65°F

Feels
65°F
59% 13.9 S 29.9 0%
1 PM Sunny at 1 PM on Fri, May 15th 2026
Sunny
UV: 5.5
70°F

Feels
70°F
57% 14.3 S 29.88 0%
2 PM Sunny at 2 PM on Fri, May 15th 2026
Sunny
UV: 6.5
74°F

Feels
75°F
54% 15.7 S 29.87 0%
3 PM Sunny at 3 PM on Fri, May 15th 2026
Sunny
UV: 5.9
76°F

Feels
77°F
49% 15.4 SSW 29.86 0%
4 PM Sunny at 4 PM on Fri, May 15th 2026
Sunny
UV: 4
73°F

Feels
77°F
46% 13.6 SSW 29.84 0%
5 PM Overcast at 5 PM on Fri, May 15th 2026
Overcast
UV: 2.2
72°F

Feels
72°F
58% 12.1 SSW 29.83 0%
6 PM Scattered Showers at 6 PM on Fri, May 15th 2026
Scattered Showers
UV: 0.9
70°F

Feels
70°F
63% 10.7 S 29.82 100%
7 PM Scattered Showers at 7 PM on Fri, May 15th 2026
Scattered Showers
UV: 0.3
68°F

Feels
68°F
68% 8.7 S 29.83 85%
8 PM Scattered Showers at 8 PM on Fri, May 15th 2026
Scattered Showers
UV: 0
66°F

Feels
66°F
75% 7.8 S 29.83 100%
9 PM Cloudy at 9 PM on Fri, May 15th 2026
Cloudy
UV: 0
65°F

Feels
65°F
79% 8.7 SSE 29.84 0%
10 PM Light Rain Shower at 10 PM on Fri, May 15th 2026
Light Rain Shower
UV: 0
64°F

Feels
64°F
80% 9.2 SSE 29.83 100%

Rain est. 0.01in
11 PM Light Rain Shower at 11 PM on Fri, May 15th 2026
Light Rain Shower
UV: 0
63°F

Feels
63°F
87% 9.8 S 29.83 100%

Rain est. 0.06in

Sat, May 16th 2026

Scattered thunderstorms in the morning, with light rain shower expected by night. Rain forecasted to be light rain shower (up to 0.09in), scattered thunderstorms (up to 0.00in), moderate or heavy rain shower (up to 0.19in), light drizzle (up to 0.03in), patchy light rain in area with thunder (up to 0.08in), torrential rain shower (up to 0.39in). Warming trend from 62°F to 82°. Breezy wind, shifting from SSE to N at 7.7 mph, with humidity levels between 53% to 98%, and an avg barometric pressure of 29.8 inHg.
Sat, May 16th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Light Rain Shower at 12 AM on Sat, May 16th 2026
Light Rain Shower
UV: 0
63°F

Feels
63°F
90% 9.4 SSE 29.82 100%

Rain est. 0.04in
1 AM Light Rain Shower at 1 AM on Sat, May 16th 2026
Light Rain Shower
UV: 0
62°F

Feels
62°F
93% 8.5 S 29.82 100%

Rain est. 0.03in
2 AM Scattered Thunderstorms at 2 AM on Sat, May 16th 2026
Scattered Thunderstorms
UV: 0
62°F

Feels
62°F
95% 8.5 SSE 29.8 100%
3 AM Light Rain Shower at 3 AM on Sat, May 16th 2026
Light Rain Shower
UV: 0
62°F

Feels
62°F
96% 7.6 S 29.8 100%

Rain est. 0.02in
4 AM Light Rain Shower at 4 AM on Sat, May 16th 2026
Light Rain Shower
UV: 0
62°F

Feels
62°F
97% 8.3 S 29.78 100%

Rain est. 0.05in
5 AM Moderate Or Heavy Rain Shower at 5 AM on Sat, May 16th 2026
Moderate Or Heavy Rain Shower
UV: 0
62°F

Feels
62°F
98% 9.4 S 29.8 100%

Rain est. 0.11in
6 AM Light Rain Shower at 6 AM on Sat, May 16th 2026
Light Rain Shower
UV: 0
62°F

Feels
62°F
98% 7.2 SSW 29.81 100%

Rain est. 0.09in
7 AM Scattered Thunderstorms at 7 AM on Sat, May 16th 2026
Scattered Thunderstorms
UV: 0.3
63°F

Feels
63°F
98% 8.7 S 29.81 0%
8 AM Mist at 8 AM on Sat, May 16th 2026
Mist
UV: 0.7
65°F

Feels
65°F
95% 7.6 S 29.81 0%
9 AM Light Drizzle at 9 AM on Sat, May 16th 2026
Light Drizzle
UV: 1.6
68°F

Feels
68°F
90% 8.7 SSW 29.82 100%

Rain est. 0.03in
10 AM Scattered Thunderstorms at 10 AM on Sat, May 16th 2026
Scattered Thunderstorms
UV: 2.8
71°F

Feels
71°F
83% 9.4 SSW 29.81 75%
11 AM Scattered Thunderstorms at 11 AM on Sat, May 16th 2026
Scattered Thunderstorms
UV: 4
74°F

Feels
77°F
75% 11 SSW 29.82 0%
12 PM Scattered Thunderstorms at 12 PM on Sat, May 16th 2026
Scattered Thunderstorms
UV: 5.8
77°F

Feels
79°F
66% 11 SW 29.82 0%
1 PM Scattered Thunderstorms at 1 PM on Sat, May 16th 2026
Scattered Thunderstorms
UV: 4.3
79°F

Feels
81°F
62% 11.4 SW 29.81 78%
2 PM Scattered Thunderstorms at 2 PM on Sat, May 16th 2026
Scattered Thunderstorms
UV: 5.4
81°F

Feels
83°F
58% 10.1 WSW 29.78 89%
3 PM Sunny at 3 PM on Sat, May 16th 2026
Sunny
UV: 4.9
82°F

Feels
84°F
55% 9.2 WSW 29.75 0%
4 PM Scattered Thunderstorms at 4 PM on Sat, May 16th 2026
Scattered Thunderstorms
UV: 3.9
82°F

Feels
85°F
53% 8.5 SW 29.77 63%
5 PM Patchy Light Rain In Area With Thunder at 5 PM on Sat, May 16th 2026
Patchy Light Rain In Area With Thunder
UV: 1.8
82°F

Feels
85°F
55% 7.2 WSW 29.77 100%

Rain est. 0.01in
6 PM Scattered Thunderstorms at 6 PM on Sat, May 16th 2026
Scattered Thunderstorms
UV: 0.8
80°F

Feels
83°F
58% 4 WSW 29.75 0%
7 PM Patchy Light Rain In Area With Thunder at 7 PM on Sat, May 16th 2026
Patchy Light Rain In Area With Thunder
UV: 0.3
76°F

Feels
80°F
66% 4 SW 29.77 100%

Rain est. 0.08in
8 PM Moderate Or Heavy Rain Shower at 8 PM on Sat, May 16th 2026
Moderate Or Heavy Rain Shower
UV: 0
73°F

Feels
78°F
82% 4.7 SW 29.78 100%

Rain est. 0.19in
9 PM Moderate Or Heavy Rain Shower at 9 PM on Sat, May 16th 2026
Moderate Or Heavy Rain Shower
UV: 0
71°F

Feels
71°F
86% 4.9 SSW 29.8 100%

Rain est. 0.18in
10 PM Moderate Or Heavy Rain Shower at 10 PM on Sat, May 16th 2026
Moderate Or Heavy Rain Shower
UV: 0
70°F

Feels
70°F
87% 4 WSW 29.82 100%

Rain est. 0.14in
11 PM Torrential Rain Shower at 11 PM on Sat, May 16th 2026
Torrential Rain Shower
UV: 0
68°F

Feels
68°F
95% 1.3 N 29.83 100%

Rain est. 0.39in

Sun, May 17th 2026

Starting off Cloudy skies, turning moderate rain later in the day. Rain forecasted to be torrential rain shower (up to 0.45in), moderate rain (up to 0.22in), scattered showers (up to 0.00in), patchy light rain (up to 0.04in). Temps range from 64° to 71°. Breezy wind, shifting from SE to SSW at 9.4 mph, as humidity fluctuates between 84% to 98%, and an avg barometric pressure of 29.87 inHg.
Sun, May 17th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Torrential Rain Shower at 12 AM on Sun, May 17th 2026
Torrential Rain Shower
UV: 0
67°F

Feels
67°F
96% 7.8 SE 29.84 100%

Rain est. 0.45in
1 AM Torrential Rain Shower at 1 AM on Sun, May 17th 2026
Torrential Rain Shower
UV: 0
67°F

Feels
67°F
98% 7.2 SSE 29.86 100%

Rain est. 0.41in
2 AM Moderate Rain at 2 AM on Sun, May 17th 2026
Moderate Rain
UV: 0
66°F

Feels
66°F
97% 7.8 SSE 29.87 100%

Rain est. 0.14in
3 AM Moderate Rain at 3 AM on Sun, May 17th 2026
Moderate Rain
UV: 0
65°F

Feels
65°F
98% 8.7 SSE 29.87 100%

Rain est. 0.22in
4 AM Moderate Rain at 4 AM on Sun, May 17th 2026
Moderate Rain
UV: 0
65°F

Feels
65°F
97% 8.5 SSE 29.88 100%

Rain est. 0.11in
5 AM Scattered Showers at 5 AM on Sun, May 17th 2026
Scattered Showers
UV: 0
64°F

Feels
64°F
96% 10.5 SSE 29.86 100%
6 AM Cloudy at 6 AM on Sun, May 17th 2026
Cloudy
UV: 0
64°F

Feels
64°F
96% 12.3 S 29.86 0%
7 AM Cloudy at 7 AM on Sun, May 17th 2026
Cloudy
UV: 0.2
66°F

Feels
66°F
95% 10.7 S 29.88 0%
8 AM Patchy Light Rain at 8 AM on Sun, May 17th 2026
Patchy Light Rain
UV: 0.9
68°F

Feels
68°F
91% 10.1 SSW 29.89 100%

Rain est. 0.04in
9 AM Scattered Thunderstorms at 9 AM on Sun, May 17th 2026
Scattered Thunderstorms
UV: 2.2
71°F

Feels
71°F
84% 10.5 SSW 29.89 0%

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