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Thomson IL Weather - Clear - 95°F
Clear
95°F
Updated 3:39 pm
Feels Like 109°F
Humidity 49%
Wind S 10 mph
Barometer  29.89 in
Dew Point 73°F
Thomson IL Weather - Clear - 35°C
Clear
35°C
Updated 3:39 pm
Feels Like 43°C
Humidity 49%
Wind S 16 km/h
Barometer  101.2 kPa
Dew Point 23°C
Thomson, IL Weather and Current Conditionsthomson il weather forecast

Thomson, IL Weather Forecast

Thomson Illinois WeatherThomson, Illinois Weather Weather Forecast
14 day API forecast for Thomson, Illinois. Note. The 7-day weather forecast for Thomson, IL is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Thomson, IL Weather Forecast Dated: 339 PM Thu Sep 03 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Thursday, September 3, 2026

Mid-Morning
Thomson Weather - 2026-09-03 - Morning - Partly Cloudy
81°F 27°C
Partly Cloudy
Mid-Afternoon
Thomson Weather - 2026-09-03 - Afternoon - Sunny
99°F 37°C
Sunny
Early-Evening
Thomson Weather - 2026-09-03 - Evening - Sunny
89°F 32°C
Sunny
Sizzling hot near 99°F 37°C with a heat index reaching 110°F 43°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the SSW to the SSE at 9 mph 14 km/h.

Friday, September 4, 2026

Mid-Morning
Thomson Weather - 2026-09-04 - Morning - Light Showers
77°F 25°C
Light Showers
Mid-Afternoon
Thomson Weather - 2026-09-04 - Afternoon - Nearby Thunderstorms
91°F 33°C
Nearby Thunderstorms
Early-Evening
Thomson Weather - 2026-09-04 - Evening - Nearby Thunderstorms
84°F 29°C
Nearby Thunderstorms
Hot and sweltering around 91°F 33°C (heat index 98°F 37°C), scattered downpours possible, with steady humidity and steady pressure. Winds switching from the SE to the N at 6 mph 10 km/h.

Saturday, September 5, 2026

Mid-Morning
Thomson Weather - 2026-09-05 - Morning - Sunny
74°F 23°C
Sunny
Mid-Afternoon
Thomson Weather - 2026-09-05 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Thomson Weather - 2026-09-05 - Evening - Sunny
79°F 26°C
Sunny
Very warm near 86°F 30°C, though humidity makes it feel like 91°F 33°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NE to the E at 9 mph 14 km/h.

Sunday, September 6, 2026

Mid-Morning
Thomson Weather - 2026-09-06 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Thomson Weather - 2026-09-06 - Afternoon - Partly Cloudy
80°F 26°C
Partly Cloudy
Early-Evening
Thomson Weather - 2026-09-06 - Evening - Overcast
73°F 23°C
Overcast
Warm temperatures up to 80°F 26°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds out of the ESE at 9 mph 14 km/h.

Monday, September 7, 2026

Mid-Morning
Thomson Weather - 2026-09-07 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Thomson Weather - 2026-09-07 - Afternoon - Sunny
76°F 24°C
Sunny
Early-Evening
Thomson Weather - 2026-09-07 - Evening - Overcast
72°F 22°C
Overcast
Mild with a high of 76°F 24°C, sunny through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds blowing from the ESE at 12 mph 19 km/h.

Tuesday, September 8, 2026

Mid-Morning
Thomson Weather - 2026-09-08 - Morning - Overcast
69°F 20°C
Overcast
Mid-Afternoon
Thomson Weather - 2026-09-08 - Afternoon - Overcast
83°F 28°C
Overcast
Early-Evening
Thomson Weather - 2026-09-08 - Evening - Sunny
83°F 28°C
Sunny
Warm and summery near 83°F 28°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds turning from the SE to the SSE at 14 mph 23 km/h. Gusts up to 34 mph 55 km/h.

Wednesday, September 9, 2026

Mid-Morning
Thomson Weather - 2026-09-09 - Morning - Overcast
76°F 25°C
Overcast
Mid-Afternoon
Thomson Weather - 2026-09-09 - Afternoon - Cloudy
84°F 29°C
Cloudy
Early-Evening
Thomson Weather - 2026-09-09 - Evening - Overcast
77°F 25°C
Overcast
Balmy with temperatures reaching 84°F 29°C, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds easing from NW 13 mph 20 km/h to NNW 5 mph 7 km/h.

Thursday, September 10, 2026

Mid-Morning
Thomson Weather - 2026-09-10 - Morning - Scattered Showers
73°F 23°C
Scattered Showers
Mid-Afternoon
Thomson Weather - 2026-09-10 - Afternoon - Scattered Showers
80°F 27°C
Scattered Showers
Early-Evening
Thomson Weather - 2026-09-10 - Evening - Cloudy
77°F 25°C
Cloudy
Quite warm around 80°F 27°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the ESE to the E at 8 mph 13 km/h.

Friday, September 11, 2026

Mid-Morning
Thomson Weather - 2026-09-11 - Morning - Scattered Showers
69°F 21°C
Scattered Showers
Mid-Afternoon
Thomson Weather - 2026-09-11 - Afternoon - Sunny
78°F 26°C
Sunny
Early-Evening
Thomson Weather - 2026-09-11 - Evening - Sunny
74°F 23°C
Sunny
Mild temperatures up to 78°F 26°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the ESE to the E at 15 mph 24 km/h. Gusts up to 28 mph 45 km/h.

Saturday, September 12, 2026

Mid-Morning
Thomson Weather - 2026-09-12 - Morning - Sunny
72°F 22°C
Sunny
Mid-Afternoon
Thomson Weather - 2026-09-12 - Afternoon - Sunny
92°F 33°C
Sunny
Early-Evening
Thomson Weather - 2026-09-12 - Evening - Sunny
87°F 31°C
Sunny
Sizzling hot near 92°F 33°C with a heat index reaching 98°F 37°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds shifting from the SE to the SSE at 9 mph 15 km/h.

Sunday, September 13, 2026

Mid-Morning
Thomson Weather - 2026-09-13 - Morning - Sunny
81°F 27°C
Sunny
Mid-Afternoon
Thomson Weather - 2026-09-13 - Afternoon - Sunny
95°F 35°C
Sunny
Early-Evening
Thomson Weather - 2026-09-13 - Evening - Partly Cloudy
84°F 29°C
Partly Cloudy
Hot and sweltering around 95°F 35°C (heat index 98°F 36°C), sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds turning from the SW to the S at 7 mph 11 km/h.

Monday, September 14, 2026

Mid-Morning
Thomson Weather - 2026-09-14 - Morning - Light Showers
72°F 22°C
Light Showers
Mid-Afternoon
Thomson Weather - 2026-09-14 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Thomson Weather - 2026-09-14 - Evening - Light Showers
71°F 22°C
Light Showers
Comfortable with temperatures reaching 73°F 23°C, passing showers during morning and evening, with a dry break midday, with steady humidity and steady pressure. Winds switching from the SSW to the W at 8 mph 13 km/h.

Tuesday, September 15, 2026

Mid-Morning
Thomson Weather - 2026-09-15 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Thomson Weather - 2026-09-15 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Thomson Weather - 2026-09-15 - Evening - Overcast
62°F 17°C
Overcast
Enjoyable around 68°F 20°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the WNW to the NNW at 9 mph 14 km/h.

Wednesday, September 16, 2026

Mid-Morning
Thomson Weather - 2026-09-16 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Thomson Weather - 2026-09-16 - Afternoon - Sunny
67°F 19°C
Sunny
Early-Evening
Thomson Weather - 2026-09-16 - Evening - Partly Cloudy
62°F 17°C
Partly Cloudy
Mildly cool near 67°F 19°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds swinging from the NNW to the SE at 6 mph 9 km/h.

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Weather by the Numbers

Thu, 3rd
Thomson IL Weather - Thursday, Sep 3, 2026 - Sunny
Hi: 99°F 37°C
Lo: 74°F 23°C
Sunrise 06:28 AM
Sunset 07:31 PM
Wind WSW 7 mph11 km/h
Dew Point 77°F25°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 2% *
Humidity 55%
Fri, 4th
Thomson IL Weather - Friday, Sep 4, 2026 - Patchy Rain Nearby
Hi: 92°F 33°C
Lo: 74°F 23°C
Sunrise 06:29 AM
Sunset 07:29 PM
Wind SW 7 mph11 km/h
Dew Point 69°F20°C
uv Index 7
Barometric Pressure 29.88 in1012 mb
POP 22% *
Humidity 60%
Sat, 5th
Thomson IL Weather - Saturday, Sep 5, 2026 - Sunny
Hi: 86°F 30°C
Lo: 70°F 21°C
Sunrise 06:30 AM
Sunset 07:27 PM
Wind ENE 5 mph9 km/h
Dew Point 70°F21°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 5% *
Humidity 67%
Sun, 6th
Thomson IL Weather - Sunday, Sep 6, 2026 - Overcast
Hi: 80°F 26°C
Lo: 65°F 18°C
Sunrise 06:31 AM
Sunset 07:26 PM
Wind ESE 9 mph14 km/h
Dew Point 62°F17°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 14% *
Humidity 60%
Mon, 7th
Thomson IL Weather - Monday, Sep 7, 2026 - Sunny
Hi: 77°F 25°C
Lo: 62°F 16°C
Sunrise 06:32 AM
Sunset 07:24 PM
Wind SSE 9 mph14 km/h
Dew Point 61°F16°C
uv Index 6
Barometric Pressure 30.15 in1021 mb
POP 4% *
Humidity 62%
Tue, 8th
Thomson IL Weather - Tuesday, Sep 8, 2026 - Patchy Rain Nearby
Hi: 85°F 30°C
Lo: 65°F 18°C
Sunrise 06:33 AM
Sunset 07:22 PM
Wind SSE 15 mph24 km/h
Dew Point 61°F16°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 11% *
Humidity 59%
Wed, 9th
Thomson IL Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 88°F 31°C
Lo: 71°F 22°C
Sunrise 06:34 AM
Sunset 07:21 PM
Wind NNW 13 mph21 km/h
Dew Point 64°F18°C
uv Index 7
Barometric Pressure 29.97 in1015 mb
POP 6% *
Humidity 56%
Thu, 10th
Thomson IL Weather - Thursday, Sep 10, 2026 - Patchy Rain Nearby
Hi: 82°F 28°C
Lo: 70°F 21°C
Sunrise 06:35 AM
Sunset 07:19 PM
Wind SE 5 mph8 km/h
Dew Point 63°F17°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 15% *
Humidity 64%
Fri, 11th
Thomson IL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 79°F 26°C
Lo: 66°F 19°C
Sunrise 06:36 AM
Sunset 07:17 PM
Wind ESE 18 mph28 km/h
Dew Point 59°F15°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 3% *
Humidity 57%
Sat, 12th
Thomson IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 94°F 34°C
Lo: 67°F 20°C
Sunrise 06:37 AM
Sunset 07:15 PM
Wind SSE 11 mph17 km/h
Dew Point 67°F19°C
uv Index 7
Barometric Pressure 29.83 in1010 mb
POP 3% *
Humidity 57%
Sun, 13th
Thomson IL Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 95°F 35°C
Lo: 73°F 23°C
Sunrise 06:38 AM
Sunset 07:13 PM
Wind SW 13 mph22 km/h
Dew Point 63°F17°C
uv Index 8
Barometric Pressure 29.85 in1011 mb
POP 1% *
Humidity 41%
Mon, 14th
Thomson IL Weather - Monday, Sep 14, 2026 - Patchy Rain Nearby
Hi: 74°F 23°C
Lo: 65°F 19°C
Sunrise 06:39 AM
Sunset 07:12 PM
Wind SW 10 mph15 km/h
Dew Point 70°F21°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 28% *
Humidity 88%
Tue, 15th
Thomson IL Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 68°F 20°C
Lo: 55°F 13°C
Sunrise 06:40 AM
Sunset 07:10 PM
Wind WNW 19 mph31 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 29.8 in1009 mb
POP 2% *
Humidity 49%
Wed, 16th
Thomson IL Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 67°F 20°C
Lo: 50°F 10°C
Sunrise 06:42 AM
Sunset 07:08 PM
Wind NW 6 mph10 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 3% *
Humidity 54%
* POP = Probability of Precipitation. Data for 12:00 PM.