St. James, IL 14 Day Weather - WeatherWorld.com

Feedback E-mail the Weather

Quick Weather Clicks

St. James, IL Weather - 14-Day Weather Forecast

Current Conditions

Settings
St. James IL Weather - Mist - 60°F
Mist
60°F
Updated 6:24 am
Feels Like 53°F
Humidity 94%
Wind N 0 mph
Barometer  30.28 in
Dew Point 58°F
St. James IL Weather - Mist - 15°C
Mist
15°C
Updated 6:24 am
Feels Like 12°C
Humidity 94%
Wind N 0 km/h
Barometer  102.5 kPa
Dew Point 15°C
St. James, IL Weather and Current Conditionsst. james il weather forecast

St. James, IL Weather Forecast

St. James Illinois WeatherSt. James, Illinois Weather Weather Forecast
Here is the API 14 day weather forecast for St. James, Illinois. Note: The 7-day weather forecast for St. James, IL is the most reliable and accurate weather forecast. This template should only be used as a probable scenario. Forecasting weather beyond the next 7 days is a challenge.
St. James, IL Weather Forecast Dated: 624 AM Thu Sep 24 2026
Expect a mild stretch with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Thursday, September 24, 2026

Mid-Morning
St. James Weather - 2026-09-24 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
St. James Weather - 2026-09-24 - Afternoon - Scattered Showers
75°F 24°C
Scattered Showers
Early-Evening
St. James Weather - 2026-09-24 - Evening - Partly Cloudy
68°F 20°C
Partly Cloudy
Pleasant near 75°F 24°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the NE to the ENE at 9 mph 14 km/h.

Friday, September 25, 2026

Mid-Morning
St. James Weather - 2026-09-25 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
St. James Weather - 2026-09-25 - Afternoon - Overcast
67°F 19°C
Overcast
Early-Evening
St. James Weather - 2026-09-25 - Evening - Overcast
65°F 18°C
Overcast
Mildly cool near 67°F 19°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the ESE to the ENE at 8 mph 13 km/h.

Saturday, September 26, 2026

Mid-Morning
St. James Weather - 2026-09-26 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
St. James Weather - 2026-09-26 - Afternoon - Overcast
70°F 21°C
Overcast
Early-Evening
St. James Weather - 2026-09-26 - Evening - Overcast
66°F 19°C
Overcast
Enjoyable around 70°F 21°C, overcast throughout the day, with steady humidity and steady pressure.

Sunday, September 27, 2026

Mid-Morning
St. James Weather - 2026-09-27 - Morning - Partly Cloudy
60°F 16°C
Partly Cloudy
Mid-Afternoon
St. James Weather - 2026-09-27 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
St. James Weather - 2026-09-27 - Evening - Sunny
68°F 20°C
Sunny
Mild temperatures up to 76°F 24°C, cloudy in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds moving from the E to the ENE at 8 mph 12 km/h.

Monday, September 28, 2026

Mid-Morning
St. James Weather - 2026-09-28 - Morning - Cloudy
62°F 17°C
Cloudy
Mid-Afternoon
St. James Weather - 2026-09-28 - Afternoon - Partly Cloudy
76°F 25°C
Partly Cloudy
Early-Evening
St. James Weather - 2026-09-28 - Evening - Sunny
68°F 20°C
Sunny
Mild with a high of 76°F 25°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.

Tuesday, September 29, 2026

Mid-Morning
St. James Weather - 2026-09-29 - Morning - Partly Cloudy
66°F 19°C
Partly Cloudy
Mid-Afternoon
St. James Weather - 2026-09-29 - Afternoon - Cloudy
84°F 29°C
Cloudy
Early-Evening
St. James Weather - 2026-09-29 - Evening - Overcast
79°F 26°C
Overcast
Warm and summery near 84°F 29°C, overcast throughout the day, with increasing humidity and barometric pressure falling. Winds swinging from the SSE to the S at 14 mph 22 km/h. Gusts up to 29 mph 47 km/h.

Wednesday, September 30, 2026

Mid-Morning
St. James Weather - 2026-09-30 - Morning - Scattered Showers
60°F 16°C
Scattered Showers
Mid-Afternoon
St. James Weather - 2026-09-30 - Afternoon - Heavy Rain Showers
54°F 12°C
Heavy Rain Showers
Early-Evening
St. James Weather - 2026-09-30 - Evening - Overcast
55°F 13°C
Overcast
Chilly near 54°F 12°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds tapering down from WNW 18 mph 29 km/h to ESE 8 mph 13 km/h.

Thursday, October 1, 2026

Mid-Morning
St. James Weather - 2026-10-01 - Morning - Overcast
52°F 11°C
Overcast
Mid-Afternoon
St. James Weather - 2026-10-01 - Afternoon - Sunny
64°F 18°C
Sunny
Early-Evening
St. James Weather - 2026-10-01 - Evening - Overcast
59°F 15°C
Overcast
Cool with a high near 64°F 18°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.

Friday, October 2, 2026

Mid-Morning
St. James Weather - 2026-10-02 - Morning - Overcast
56°F 13°C
Overcast
Mid-Afternoon
St. James Weather - 2026-10-02 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
St. James Weather - 2026-10-02 - Evening - Sunny
64°F 18°C
Sunny
Mild temperatures up to 71°F 22°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the ENE to the NNE at 9 mph 14 km/h.

Saturday, October 3, 2026

Mid-Morning
St. James Weather - 2026-10-03 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
St. James Weather - 2026-10-03 - Afternoon - Sunny
71°F 21°C
Sunny
Early-Evening
St. James Weather - 2026-10-03 - Evening - Sunny
62°F 17°C
Sunny
Mild with a high of 71°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds out of the NW at 15 mph 24 km/h. Gusts up to 25 mph 41 km/h.

Sunday, October 4, 2026

Mid-Morning
St. James Weather - 2026-10-04 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
St. James Weather - 2026-10-04 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
St. James Weather - 2026-10-04 - Evening - Sunny
59°F 15°C
Sunny
Comfortable at 66°F 19°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the NNW to the E at 6 mph 9 km/h.

Monday, October 5, 2026

Mid-Morning
St. James Weather - 2026-10-05 - Morning - Partly Cloudy
56°F 14°C
Partly Cloudy
Mid-Afternoon
St. James Weather - 2026-10-05 - Afternoon - Cloudy
74°F 23°C
Cloudy
Early-Evening
St. James Weather - 2026-10-05 - Evening - Sunny
70°F 21°C
Sunny
Comfortable with temperatures reaching 74°F 23°C, partly cloudy through the afternoon, turning overcast this evening, with steady humidity and barometric pressure falling. Winds swinging from the SSE to the SSW at 12 mph 18 km/h. Gusts up to 28 mph 45 km/h.

Tuesday, October 6, 2026

Mid-Morning
St. James Weather - 2026-10-06 - Morning - Partly Cloudy
59°F 15°C
Partly Cloudy
Mid-Afternoon
St. James Weather - 2026-10-06 - Afternoon - Partly Cloudy
67°F 20°C
Partly Cloudy
Early-Evening
St. James Weather - 2026-10-06 - Evening - Cloudy
59°F 15°C
Cloudy
Refreshing around 67°F 20°C, partly cloudy in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds shifting from the N to the NE at 9 mph 14 km/h.

Wednesday, October 7, 2026

Mid-Morning
St. James Weather - 2026-10-07 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
St. James Weather - 2026-10-07 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
St. James Weather - 2026-10-07 - Evening - Sunny
65°F 19°C
Sunny
Mild temperatures up to 68°F 20°C, sunny through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling. Winds turning from the E to the ESE at 7 mph 11 km/h.

Trending Headlines

St. James, IL Weather Radar Map

Use the map search tool if you want to place a location marker on the radar map...

St. James, IL 7 Day Weather

National Two Day Weather Forecast


E-mail the St. James Weather Forecast

Voice your opinion or tell us about page issues...

Weather by the Numbers

Thu, 24th
St. James IL Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 75°F 24°C
Lo: 55°F 13°C
Sunrise 06:45 AM
Sunset 06:49 PM
Wind ENE 9 mph14 km/h
Dew Point 55°F13°C
uv Index 6
Barometric Pressure 30.21 in1023 mb
POP 3% *
Humidity 59%
Fri, 25th
St. James IL Weather - Friday, Sep 25, 2026 - Overcast
Hi: 71°F 21°C
Lo: 61°F 16°C
Sunrise 06:46 AM
Sunset 06:47 PM
Wind ESE 3 mph5 km/h
Dew Point 55°F13°C
uv Index 4
Barometric Pressure 30.21 in1023 mb
POP 19% *
Humidity 71%
Sat, 26th
St. James IL Weather - Saturday, Sep 26, 2026 - Overcast
Hi: 70°F 21°C
Lo: 61°F 16°C
Sunrise 06:47 AM
Sunset 06:46 PM
Wind ESE 6 mph10 km/h
Dew Point 42°F6°C
uv Index 3
Barometric Pressure 30.18 in1022 mb
POP 10% *
Humidity 42%
Sun, 27th
St. James IL Weather - Sunday, Sep 27, 2026 - Partly Cloudy
Hi: 76°F 24°C
Lo: 55°F 13°C
Sunrise 06:48 AM
Sunset 06:44 PM
Wind E 7 mph12 km/h
Dew Point 43°F6°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 4% *
Humidity 36%
Mon, 28th
St. James IL Weather - Monday, Sep 28, 2026 - Partly Cloudy
Hi: 77°F 25°C
Lo: 53°F 12°C
Sunrise 06:49 AM
Sunset 06:42 PM
Wind ESE 8 mph12 km/h
Dew Point 49°F10°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 4% *
Humidity 42%
Tue, 29th
St. James IL Weather - Tuesday, Sep 29, 2026 - Overcast
Hi: 85°F 29°C
Lo: 57°F 14°C
Sunrise 06:50 AM
Sunset 06:41 PM
Wind SSE 13 mph21 km/h
Dew Point 46°F8°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 8% *
Humidity 32%
Wed, 30th
St. James IL Weather - Wednesday, Sep 30, 2026 - Moderate Rain
Hi: 73°F 23°C
Lo: 51°F 11°C
Sunrise 06:50 AM
Sunset 06:39 PM
Wind NW 14 mph22 km/h
Dew Point 50°F10°C
uv Index 3
Barometric Pressure 29.88 in1012 mb
POP 88% *
Humidity 91%
Thu, 1st
St. James IL Weather - Thursday, Oct 1, 2026 - Sunny
Hi: 65°F 18°C
Lo: 46°F 8°C
Sunrise 06:51 AM
Sunset 06:38 PM
Wind ENE 5 mph9 km/h
Dew Point 36°F2°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 42%
Fri, 2nd
St. James IL Weather - Friday, Oct 2, 2026 - Overcast
Hi: 72°F 22°C
Lo: 49°F 9°C
Sunrise 06:52 AM
Sunset 06:36 PM
Wind ENE 8 mph12 km/h
Dew Point 41°F5°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 3% *
Humidity 39%
Sat, 3rd
St. James IL Weather - Saturday, Oct 3, 2026 - Sunny
Hi: 71°F 22°C
Lo: 53°F 12°C
Sunrise 06:53 AM
Sunset 06:34 PM
Wind NNW 13 mph20 km/h
Dew Point 42°F6°C
uv Index 6
Barometric Pressure 29.8 in1009 mb
POP 1% *
Humidity 40%
Sun, 4th
St. James IL Weather - Sunday, Oct 4, 2026 - Sunny
Hi: 66°F 19°C
Lo: 46°F 8°C
Sunrise 06:54 AM
Sunset 06:33 PM
Wind N 9 mph14 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 40%
Mon, 5th
St. James IL Weather - Monday, Oct 5, 2026 - Sunny
Hi: 75°F 24°C
Lo: 49°F 9°C
Sunrise 06:55 AM
Sunset 06:31 PM
Wind S 13 mph21 km/h
Dew Point 36°F2°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 4% *
Humidity 32%
Tue, 6th
St. James IL Weather - Tuesday, Oct 6, 2026 - Partly Cloudy
Hi: 68°F 20°C
Lo: 53°F 11°C
Sunrise 06:56 AM
Sunset 06:30 PM
Wind ESE 11 mph18 km/h
Dew Point 43°F6°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 4% *
Humidity 46%
Wed, 7th
St. James IL Weather - Wednesday, Oct 7, 2026 - Sunny
Hi: 69°F 21°C
Lo: 46°F 8°C
Sunrise 06:57 AM
Sunset 06:28 PM
Wind ESE 9 mph15 km/h
Dew Point 32°F0°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 1% *
Humidity 32%
* POP = Probability of Precipitation. Data for 12:00 PM.