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St. Thomas MO Weather - Clear - 77°F
Clear
77°F
Updated 1:16 am
Feels Like 85°F
Humidity 84%
Wind N 0 mph
Barometer  29.94 in
Dew Point 72°F
St. Thomas MO Weather - Clear - 25°C
Clear
25°C
Updated 1:16 am
Feels Like 29°C
Humidity 84%
Wind N 0 km/h
Barometer  101.3 kPa
Dew Point 22°C
St. Thomas, MO Weather and Current Conditionsst. thomas mo weather forecast

St. Thomas, MO Weather Forecast

St. Thomas Missouri WeatherSt. Thomas, Missouri Weather Weather Forecast
14 day API weather forecast for St. Thomas, Missouri. Note: The 7-day weather forecast for St. Thomas, MO is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
St. Thomas, MO Weather Forecast Dated: 116 AM Sun Sep 06 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.

Sunday, September 6, 2026

Mid-Morning
St. Thomas Weather - 2026-09-06 - Morning - Sunny
78°F 25°C
Sunny
Mid-Afternoon
St. Thomas Weather - 2026-09-06 - Afternoon - Nearby Thunderstorms
97°F 36°C
Nearby Thunderstorms
Early-Evening
St. Thomas Weather - 2026-09-06 - Evening - Partly Cloudy
89°F 32°C
Partly Cloudy
Sizzling hot near 97°F 36°C with a heat index reaching 100°F 38°C, periods of heavy thunderstorms, with lower humidity and steady pressure. Winds out of the ENE at 11 mph 17 km/h. Gusts up to 24 mph 39 km/h.

Monday, September 7, 2026

Mid-Morning
St. Thomas Weather - 2026-09-07 - Morning - Sunny
72°F 22°C
Sunny
Mid-Afternoon
St. Thomas Weather - 2026-09-07 - Afternoon - Sunny
95°F 35°C
Sunny
Early-Evening
St. Thomas Weather - 2026-09-07 - Evening - Sunny
86°F 30°C
Sunny
Hot and sweltering around 95°F 35°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds switching from the ESE to the E at 11 mph 18 km/h. Gusts up to 23 mph 36 km/h.

Tuesday, September 8, 2026

Mid-Morning
St. Thomas Weather - 2026-09-08 - Morning - Overcast
79°F 26°C
Overcast
Mid-Afternoon
St. Thomas Weather - 2026-09-08 - Afternoon - Overcast
102°F 39°C
Overcast
Early-Evening
St. Thomas Weather - 2026-09-08 - Evening - Overcast
96°F 36°C
Overcast
Dangerously hot temperatures around 102°F 39°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds moving from the S to the SSE at 10 mph 16 km/h. Gusts up to 20 mph 32 km/h.

Wednesday, September 9, 2026

Mid-Morning
St. Thomas Weather - 2026-09-09 - Morning - Partly Cloudy
89°F 32°C
Partly Cloudy
Mid-Afternoon
St. Thomas Weather - 2026-09-09 - Afternoon - Scattered Showers
103°F 40°C
Scattered Showers
Early-Evening
St. Thomas Weather - 2026-09-09 - Evening - Light Showers
78°F 26°C
Light Showers
Dangerously hot with a high of 103°F 40°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. A stray shower or storm late in the day. Winds swinging from the SW to the SE at 11 mph 17 km/h. Gusts up to 20 mph 32 km/h.

Thursday, September 10, 2026

Mid-Morning
St. Thomas Weather - 2026-09-10 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
St. Thomas Weather - 2026-09-10 - Afternoon - Overcast
90°F 32°C
Overcast
Early-Evening
St. Thomas Weather - 2026-09-10 - Evening - Overcast
86°F 30°C
Overcast
Very hot with a high of 90°F 32°C, overcast through the afternoon, turning sunny this evening, with lower humidity and steady pressure.

Friday, September 11, 2026

Mid-Morning
St. Thomas Weather - 2026-09-11 - Morning - Sunny
81°F 27°C
Sunny
Mid-Afternoon
St. Thomas Weather - 2026-09-11 - Afternoon - Overcast
98°F 37°C
Overcast
Early-Evening
St. Thomas Weather - 2026-09-11 - Evening - Overcast
74°F 24°C
Overcast
Very hot with temperatures reaching 98°F 37°C, sunny in the morning, becoming overcast through the afternoon and evening, with increasing humidity and steady pressure. Winds building from SSW at 8 mph 13 km/h to SSW at 19 mph 31 km/h. Gusts up to 34 mph 55 km/h.

Saturday, September 12, 2026

Mid-Morning
St. Thomas Weather - 2026-09-12 - Morning - Overcast
75°F 24°C
Overcast
Mid-Afternoon
St. Thomas Weather - 2026-09-12 - Afternoon - Sunny
93°F 34°C
Sunny
Early-Evening
St. Thomas Weather - 2026-09-12 - Evening - Nearby Thunderstorms
84°F 29°C
Nearby Thunderstorms
Sizzling hot near 93°F 34°C with a heat index reaching 96°F 36°C, periods of heavy thunderstorms, with lower humidity and steady pressure. Winds turning from the SSE to the ESE at 9 mph 14 km/h.

Sunday, September 13, 2026

Mid-Morning
St. Thomas Weather - 2026-09-13 - Morning - Overcast
78°F 26°C
Overcast
Mid-Afternoon
St. Thomas Weather - 2026-09-13 - Afternoon - Sunny
96°F 36°C
Sunny
Early-Evening
St. Thomas Weather - 2026-09-13 - Evening - Sunny
93°F 34°C
Sunny
Sizzling hot with 96°F 36°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the SSW to the S at 13 mph 20 km/h. Gusts up to 29 mph 46 km/h.

Monday, September 14, 2026

Mid-Morning
St. Thomas Weather - 2026-09-14 - Morning - Light Showers
71°F 22°C
Light Showers
Mid-Afternoon
St. Thomas Weather - 2026-09-14 - Afternoon - Scattered Showers
77°F 25°C
Scattered Showers
Early-Evening
St. Thomas Weather - 2026-09-14 - Evening - Overcast
68°F 20°C
Overcast
Mild temperatures up to 77°F 25°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the SSW to the NNW at 10 mph 16 km/h.

Tuesday, September 15, 2026

Mid-Morning
St. Thomas Weather - 2026-09-15 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
St. Thomas Weather - 2026-09-15 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
St. Thomas Weather - 2026-09-15 - Evening - Sunny
64°F 18°C
Sunny
Mild with a high of 70°F 21°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the N to the NNW at 10 mph 15 km/h.

Wednesday, September 16, 2026

Mid-Morning
St. Thomas Weather - 2026-09-16 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
St. Thomas Weather - 2026-09-16 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
St. Thomas Weather - 2026-09-16 - Evening - Sunny
65°F 18°C
Sunny
Pleasant near 70°F 21°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Thursday, September 17, 2026

Mid-Morning
St. Thomas Weather - 2026-09-17 - Morning - Sunny
58°F 14°C
Sunny
Mid-Afternoon
St. Thomas Weather - 2026-09-17 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
St. Thomas Weather - 2026-09-17 - Evening - Sunny
66°F 19°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, sunny throughout the day, with lower humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
St. Thomas Weather - 2026-09-18 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
St. Thomas Weather - 2026-09-18 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
St. Thomas Weather - 2026-09-18 - Evening - Overcast
70°F 21°C
Overcast
Enjoyable around 77°F 25°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds out of the SE at 8 mph 13 km/h.

Saturday, September 19, 2026

Mid-Morning
St. Thomas Weather - 2026-09-19 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
St. Thomas Weather - 2026-09-19 - Afternoon - Overcast
83°F 29°C
Overcast
Early-Evening
St. Thomas Weather - 2026-09-19 - Evening - Overcast
76°F 24°C
Overcast
Warm temperatures up to 83°F 29°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds blowing from the S at 7 mph 11 km/h.

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Weather by the Numbers

Sun, 6th
St. Thomas MO Weather - Sunday, Sep 6, 2026 - Sunny
Hi: 97°F 36°C
Lo: 73°F 23°C
Sunrise 06:43 AM
Sunset 07:32 PM
Wind ENE 9 mph14 km/h
Dew Point 66°F19°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 44%
Mon, 7th
St. Thomas MO Weather - Monday, Sep 7, 2026 - Sunny
Hi: 95°F 35°C
Lo: 66°F 19°C
Sunrise 06:44 AM
Sunset 07:30 PM
Wind ESE 8 mph13 km/h
Dew Point 51°F11°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 28%
Tue, 8th
St. Thomas MO Weather - Tuesday, Sep 8, 2026 - Overcast
Hi: 102°F 39°C
Lo: 70°F 21°C
Sunrise 06:45 AM
Sunset 07:29 PM
Wind SSW 9 mph15 km/h
Dew Point 49°F9°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 9% *
Humidity 20%
Wed, 9th
St. Thomas MO Weather - Wednesday, Sep 9, 2026 - Overcast
Hi: 104°F 40°C
Lo: 73°F 23°C
Sunrise 06:46 AM
Sunset 07:27 PM
Wind WNW 8 mph13 km/h
Dew Point 57°F14°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 8% *
Humidity 27%
Thu, 10th
St. Thomas MO Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 91°F 33°C
Lo: 72°F 22°C
Sunrise 06:47 AM
Sunset 07:25 PM
Wind WNW 4 mph6 km/h
Dew Point 67°F20°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 14% *
Humidity 60%
Fri, 11th
St. Thomas MO Weather - Friday, Sep 11, 2026 - Sunny
Hi: 99°F 37°C
Lo: 68°F 20°C
Sunrise 06:48 AM
Sunset 07:24 PM
Wind SSW 11 mph18 km/h
Dew Point 55°F13°C
uv Index 8
Barometric Pressure 29.77 in1008 mb
POP 5% *
Humidity 29%
Sat, 12th
St. Thomas MO Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 94°F 34°C
Lo: 68°F 20°C
Sunrise 06:48 AM
Sunset 07:22 PM
Wind S 10 mph17 km/h
Dew Point 66°F19°C
uv Index 8
Barometric Pressure 29.8 in1009 mb
POP 2% *
Humidity 53%
Sun, 13th
St. Thomas MO Weather - Sunday, Sep 13, 2026 - Light Rain Shower
Hi: 97°F 36°C
Lo: 72°F 22°C
Sunrise 06:49 AM
Sunset 07:21 PM
Wind SSW 12 mph20 km/h
Dew Point 66°F19°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 17% *
Humidity 48%
Mon, 14th
St. Thomas MO Weather - Monday, Sep 14, 2026 - Overcast
Hi: 79°F 26°C
Lo: 62°F 17°C
Sunrise 06:50 AM
Sunset 07:19 PM
Wind WSW 8 mph12 km/h
Dew Point 68°F20°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 22% *
Humidity 78%
Tue, 15th
St. Thomas MO Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 71°F 22°C
Lo: 57°F 14°C
Sunrise 06:51 AM
Sunset 07:18 PM
Wind NNW 13 mph21 km/h
Dew Point 48°F9°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 4% *
Humidity 52%
Wed, 16th
St. Thomas MO Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 71°F 22°C
Lo: 50°F 10°C
Sunrise 06:52 AM
Sunset 07:16 PM
Wind NNE 7 mph11 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 2% *
Humidity 49%
Thu, 17th
St. Thomas MO Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 73°F 23°C
Lo: 50°F 10°C
Sunrise 06:53 AM
Sunset 07:14 PM
Wind ENE 4 mph7 km/h
Dew Point 46°F8°C
uv Index 6
Barometric Pressure 30.15 in1021 mb
POP 1% *
Humidity 45%
Fri, 18th
St. Thomas MO Weather - Friday, Sep 18, 2026 - Sunny
Hi: 78°F 26°C
Lo: 53°F 12°C
Sunrise 06:54 AM
Sunset 07:13 PM
Wind SE 7 mph12 km/h
Dew Point 45°F7°C
uv Index 6
Barometric Pressure 30.15 in1021 mb
POP 1% *
Humidity 39%
Sat, 19th
St. Thomas MO Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 85°F 29°C
Lo: 57°F 14°C
Sunrise 06:55 AM
Sunset 07:11 PM
Wind SSE 8 mph13 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 9% *
Humidity 35%
* POP = Probability of Precipitation. Data for 12:00 PM.