Mountain, IL 14 Day Weather

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Mountain IL Weather - Clear - 68°F
Clear
68°F
Updated 12:17 am
Feels Like 73°F
Humidity 98%
Wind N 0 mph
Barometer  29.88 in
Dew Point 68°F
Mountain IL Weather - Clear - 20°C
Clear
20°C
Updated 12:17 am
Feels Like 23°C
Humidity 98%
Wind N 0 km/h
Barometer  101.1 kPa
Dew Point 20°C
Mountain, IL Weather and Current Conditionsmountain il weather forecast

Mountain, IL Weather Forecast

Mountain Illinois WeatherMountain, Illinois Weather Weather Forecast
14 Day API Mountain Weather Forecast. Note: Our 7 day Mountain weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Mountain, IL Weather Forecast Dated: 1217 AM Sat Sep 12 2026
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Saturday, September 12, 2026

Mid-Morning
Mountain Weather - 2026-09-12 - Morning - Partly Cloudy
74°F 24°C
Partly Cloudy
Mid-Afternoon
Mountain Weather - 2026-09-12 - Afternoon - Overcast
91°F 33°C
Overcast
Early-Evening
Mountain Weather - 2026-09-12 - Evening - Sunny
82°F 28°C
Sunny
Very hot with temperatures reaching 91°F 33°C, partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the SW to the N at 8 mph 13 km/h.

Sunday, September 13, 2026

Mid-Morning
Mountain Weather - 2026-09-13 - Morning - Overcast
70°F 21°C
Overcast
Mid-Afternoon
Mountain Weather - 2026-09-13 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Mountain Weather - 2026-09-13 - Evening - Overcast
71°F 22°C
Overcast
Comfortable with temperatures reaching 75°F 24°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds blowing from the NNE at 14 mph 22 km/h. Gusts up to 22 mph 36 km/h.

Monday, September 14, 2026

Mid-Morning
Mountain Weather - 2026-09-14 - Morning - Scattered Showers
60°F 16°C
Scattered Showers
Mid-Afternoon
Mountain Weather - 2026-09-14 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Mountain Weather - 2026-09-14 - Evening - Sunny
76°F 25°C
Sunny
Enjoyable around 75°F 24°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds moving from the ESE to the SE at 13 mph 21 km/h. Gusts up to 27 mph 44 km/h.

Tuesday, September 15, 2026

Mid-Morning
Mountain Weather - 2026-09-15 - Morning - Overcast
80°F 27°C
Overcast
Mid-Afternoon
Mountain Weather - 2026-09-15 - Afternoon - Partly Cloudy
90°F 32°C
Partly Cloudy
Early-Evening
Mountain Weather - 2026-09-15 - Evening - Sunny
86°F 30°C
Sunny
Sizzling hot near 90°F 32°C with a heat index reaching 93°F 34°C, overcast in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the SW to the E at 6 mph 9 km/h.

Wednesday, September 16, 2026

Mid-Morning
Mountain Weather - 2026-09-16 - Morning - Sunny
75°F 24°C
Sunny
Mid-Afternoon
Mountain Weather - 2026-09-16 - Afternoon - Sunny
98°F 37°C
Sunny
Early-Evening
Mountain Weather - 2026-09-16 - Evening - Cloudy
90°F 32°C
Cloudy
Very hot with a high of 98°F 37°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds shifting from the ENE to the SW at 8 mph 13 km/h.

Thursday, September 17, 2026

Mid-Morning
Mountain Weather - 2026-09-17 - Morning - Light Showers
77°F 25°C
Light Showers
Mid-Afternoon
Mountain Weather - 2026-09-17 - Afternoon - Cloudy
81°F 27°C
Cloudy
Early-Evening
Mountain Weather - 2026-09-17 - Evening - Scattered Showers
73°F 23°C
Scattered Showers
Very warm near 81°F 27°C, though humidity makes it feel like 84°F 29°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds turning from the NW to the SE at 13 mph 21 km/h.

Friday, September 18, 2026

Mid-Morning
Mountain Weather - 2026-09-18 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Mountain Weather - 2026-09-18 - Afternoon - Overcast
78°F 26°C
Overcast
Early-Evening
Mountain Weather - 2026-09-18 - Evening - Overcast
72°F 23°C
Overcast
Comfortable with temperatures reaching 78°F 26°C, overcast throughout the day, with lower humidity and steady pressure. Winds switching from the NE to the NNE at 8 mph 12 km/h.

Saturday, September 19, 2026

Mid-Morning
Mountain Weather - 2026-09-19 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
Mountain Weather - 2026-09-19 - Afternoon - Overcast
79°F 26°C
Overcast
Early-Evening
Mountain Weather - 2026-09-19 - Evening - Sunny
71°F 22°C
Sunny
Enjoyable around 79°F 26°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds blowing from the NE at 8 mph 13 km/h.

Sunday, September 20, 2026

Mid-Morning
Mountain Weather - 2026-09-20 - Morning - Sunny
65°F 18°C
Sunny
Mid-Afternoon
Mountain Weather - 2026-09-20 - Afternoon - Overcast
82°F 28°C
Overcast
Early-Evening
Mountain Weather - 2026-09-20 - Evening - Sunny
73°F 23°C
Sunny
Warm temperatures up to 82°F 28°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds E at 9 mph 14 km/h.

Monday, September 21, 2026

Mid-Morning
Mountain Weather - 2026-09-21 - Morning - Sunny
67°F 20°C
Sunny
Mid-Afternoon
Mountain Weather - 2026-09-21 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Mountain Weather - 2026-09-21 - Evening - Partly Cloudy
74°F 24°C
Partly Cloudy
Very warm with a high of 82°F 28°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds out of the ENE at 11 mph 17 km/h.

Tuesday, September 22, 2026

Mid-Morning
Mountain Weather - 2026-09-22 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Mountain Weather - 2026-09-22 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Mountain Weather - 2026-09-22 - Evening - Sunny
74°F 23°C
Sunny
Warm and summery near 82°F 28°C, sunny throughout the day, with lower humidity and steady pressure. Winds blowing from the ENE at 12 mph 19 km/h. Gusts up to 22 mph 35 km/h.

Wednesday, September 23, 2026

Mid-Morning
Mountain Weather - 2026-09-23 - Morning - Sunny
65°F 19°C
Sunny
Mid-Afternoon
Mountain Weather - 2026-09-23 - Afternoon - Overcast
82°F 28°C
Overcast
Early-Evening
Mountain Weather - 2026-09-23 - Evening - Overcast
76°F 24°C
Overcast
Balmy with temperatures reaching 82°F 28°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the E to the ESE at 7 mph 11 km/h.

Thursday, September 24, 2026

Mid-Morning
Mountain Weather - 2026-09-24 - Morning - Overcast
65°F 19°C
Overcast
Mid-Afternoon
Mountain Weather - 2026-09-24 - Afternoon - Cloudy
83°F 28°C
Cloudy
Early-Evening
Mountain Weather - 2026-09-24 - Evening - Cloudy
82°F 28°C
Cloudy
Quite warm around 83°F 28°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds moving from the SE to the SSE at 10 mph 17 km/h. Gusts up to 21 mph 34 km/h.

Friday, September 25, 2026

Mid-Morning
Mountain Weather - 2026-09-25 - Morning - Sunny
74°F 24°C
Sunny
Mid-Afternoon
Mountain Weather - 2026-09-25 - Afternoon - Partly Cloudy
95°F 35°C
Partly Cloudy
Early-Evening
Mountain Weather - 2026-09-25 - Evening - Sunny
84°F 29°C
Sunny
Hot temperatures near 95°F 35°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds swinging from the SSW to the SE at 9 mph 14 km/h.

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Weather by the Numbers

Sat, 12th
Mountain IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 91°F 33°C
Lo: 67°F 19°C
Sunrise 06:41 AM
Sunset 07:17 PM
Wind W 8 mph13 km/h
Dew Point 61°F16°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 43%
Sun, 13th
Mountain IL Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 80°F 27°C
Lo: 65°F 19°C
Sunrise 06:42 AM
Sunset 07:15 PM
Wind NNE 9 mph14 km/h
Dew Point 61°F16°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 12% *
Humidity 52%
Mon, 14th
Mountain IL Weather - Monday, Sep 14, 2026 - Overcast
Hi: 78°F 25°C
Lo: 57°F 14°C
Sunrise 06:43 AM
Sunset 07:13 PM
Wind ESE 13 mph20 km/h
Dew Point 51°F11°C
uv Index 6
Barometric Pressure 30.15 in1021 mb
POP 13% *
Humidity 57%
Tue, 15th
Mountain IL Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 92°F 33°C
Lo: 75°F 24°C
Sunrise 06:44 AM
Sunset 07:12 PM
Wind SW 7 mph11 km/h
Dew Point 67°F19°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 14% *
Humidity 62%
Wed, 16th
Mountain IL Weather - Wednesday, Sep 16, 2026 - Patchy Rain Nearby
Hi: 100°F 38°C
Lo: 72°F 22°C
Sunrise 06:45 AM
Sunset 07:10 PM
Wind SSW 4 mph7 km/h
Dew Point 65°F18°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 17% *
Humidity 41%
Thu, 17th
Mountain IL Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 82°F 28°C
Lo: 67°F 19°C
Sunrise 06:46 AM
Sunset 07:08 PM
Wind NNW 9 mph14 km/h
Dew Point 68°F20°C
uv Index 7
Barometric Pressure 30.12 in1020 mb
POP 8% *
Humidity 66%
Fri, 18th
Mountain IL Weather - Friday, Sep 18, 2026 - Overcast
Hi: 79°F 26°C
Lo: 63°F 17°C
Sunrise 06:47 AM
Sunset 07:07 PM
Wind NE 8 mph13 km/h
Dew Point 58°F14°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 13% *
Humidity 56%
Sat, 19th
Mountain IL Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 80°F 27°C
Lo: 61°F 16°C
Sunrise 06:48 AM
Sunset 07:05 PM
Wind NE 7 mph12 km/h
Dew Point 50°F10°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 10% *
Humidity 45%
Sun, 20th
Mountain IL Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 83°F 28°C
Lo: 56°F 14°C
Sunrise 06:49 AM
Sunset 07:03 PM
Wind E 8 mph13 km/h
Dew Point 47°F8°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 6% *
Humidity 36%
Mon, 21st
Mountain IL Weather - Monday, Sep 21, 2026 - Sunny
Hi: 83°F 28°C
Lo: 58°F 15°C
Sunrise 06:50 AM
Sunset 07:02 PM
Wind ENE 9 mph14 km/h
Dew Point 49°F10°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 37%
Tue, 22nd
Mountain IL Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 83°F 28°C
Lo: 57°F 14°C
Sunrise 06:51 AM
Sunset 07:00 PM
Wind ENE 11 mph18 km/h
Dew Point 46°F8°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 34%
Wed, 23rd
Mountain IL Weather - Wednesday, Sep 23, 2026 - Partly Cloudy
Hi: 83°F 28°C
Lo: 57°F 14°C
Sunrise 06:52 AM
Sunset 06:58 PM
Wind E 9 mph14 km/h
Dew Point 47°F8°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 7% *
Humidity 35%
Thu, 24th
Mountain IL Weather - Thursday, Sep 24, 2026 - Patchy Rain Nearby
Hi: 84°F 29°C
Lo: 65°F 19°C
Sunrise 06:53 AM
Sunset 06:57 PM
Wind SE 12 mph19 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 8% *
Humidity 37%
Fri, 25th
Mountain IL Weather - Friday, Sep 25, 2026 - Sunny
Hi: 97°F 36°C
Lo: 65°F 19°C
Sunrise 06:54 AM
Sunset 06:55 PM
Wind SSW 9 mph14 km/h
Dew Point 51°F11°C
uv Index 8
Barometric Pressure 29.8 in1009 mb
POP 2% *
Humidity 30%
* POP = Probability of Precipitation. Data for 12:00 PM.