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Jasper IL Weather - Clear - 100°F
Clear
100°F
Updated 3:40 pm
Feels Like 99°F
Humidity 32%
Wind SW 8 mph
Barometer  29.95 in
Dew Point 66°F
Jasper IL Weather - Clear - 38°C
Clear
38°C
Updated 3:40 pm
Feels Like 37°C
Humidity 32%
Wind SW 13 km/h
Barometer  101.4 kPa
Dew Point 19°C
Jasper, IL Weather and Current Conditionsjasper il weather forecast

Jasper, IL Weather Forecast

Jasper Illinois WeatherJasper, Illinois Weather Weather Forecast
14 Day API Jasper, IL Weather Forecast. Note: Our 7 day Jasper, Illinois 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.
Jasper, IL Weather Forecast Dated: 340 PM Thu Sep 03 2026
Expect a hot stretch with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Thursday, September 3, 2026

Mid-Morning
Jasper Weather - 2026-09-03 - Morning - Sunny
83°F 29°C
Sunny
Mid-Afternoon
Jasper Weather - 2026-09-03 - Afternoon - Sunny
98°F 37°C
Sunny
Early-Evening
Jasper Weather - 2026-09-03 - Evening - Sunny
90°F 32°C
Sunny
Sizzling hot near 98°F 37°C with a heat index reaching 104°F 40°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the SW to the SSE at 6 mph 10 km/h.

Friday, September 4, 2026

Mid-Morning
Jasper Weather - 2026-09-04 - Morning - Sunny
87°F 30°C
Sunny
Mid-Afternoon
Jasper Weather - 2026-09-04 - Afternoon - Cloudy
101°F 39°C
Cloudy
Early-Evening
Jasper Weather - 2026-09-04 - Evening - Scattered Showers
94°F 34°C
Scattered Showers
Sweltering temperatures near 101°F 39°C with a heat index of 104°F 40°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the WSW to the SSE at 8 mph 13 km/h.

Saturday, September 5, 2026

Mid-Morning
Jasper Weather - 2026-09-05 - Morning - Sunny
89°F 31°C
Sunny
Mid-Afternoon
Jasper Weather - 2026-09-05 - Afternoon - Sunny
102°F 39°C
Sunny
Early-Evening
Jasper Weather - 2026-09-05 - Evening - Sunny
89°F 31°C
Sunny
Dangerously hot with a high of 102°F 39°C (heat index near 105°F 40°C), sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the WSW to the SW at 10 mph 16 km/h.

Sunday, September 6, 2026

Mid-Morning
Jasper Weather - 2026-09-06 - Morning - Sunny
78°F 26°C
Sunny
Mid-Afternoon
Jasper Weather - 2026-09-06 - Afternoon - Sunny
92°F 34°C
Sunny
Early-Evening
Jasper Weather - 2026-09-06 - Evening - Sunny
81°F 27°C
Sunny
Hot temperatures near 92°F 34°C, sunny throughout the day, with lower humidity and steady pressure. Winds out of the NE at 11 mph 17 km/h. Gusts up to 23 mph 37 km/h.

Monday, September 7, 2026

Mid-Morning
Jasper Weather - 2026-09-07 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Jasper Weather - 2026-09-07 - Afternoon - Cloudy
90°F 32°C
Cloudy
Early-Evening
Jasper Weather - 2026-09-07 - Evening - Sunny
82°F 28°C
Sunny
Very hot with a high of 90°F 32°C, sunny in the morning, 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.

Tuesday, September 8, 2026

Mid-Morning
Jasper Weather - 2026-09-08 - Morning - Partly Cloudy
78°F 25°C
Partly Cloudy
Mid-Afternoon
Jasper Weather - 2026-09-08 - Afternoon - Overcast
97°F 36°C
Overcast
Early-Evening
Jasper Weather - 2026-09-08 - Evening - Sunny
91°F 33°C
Sunny
Very hot with temperatures reaching 97°F 36°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds turning from the SE to the SSE at 10 mph 16 km/h. Gusts up to 20 mph 32 km/h.

Wednesday, September 9, 2026

Mid-Morning
Jasper Weather - 2026-09-09 - Morning - Overcast
89°F 32°C
Overcast
Mid-Afternoon
Jasper Weather - 2026-09-09 - Afternoon - Cloudy
106°F 41°C
Cloudy
Early-Evening
Jasper Weather - 2026-09-09 - Evening - Partly Cloudy
94°F 34°C
Partly Cloudy
Dangerously hot temperatures around 106°F 41°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the SW to the NE at 11 mph 17 km/h.

Thursday, September 10, 2026

Mid-Morning
Jasper Weather - 2026-09-10 - Morning - Partly Cloudy
90°F 32°C
Partly Cloudy
Mid-Afternoon
Jasper Weather - 2026-09-10 - Afternoon - Sunny
109°F 43°C
Sunny
Early-Evening
Jasper Weather - 2026-09-10 - Evening - Partly Cloudy
96°F 36°C
Partly Cloudy
Dangerously hot with a high of 109°F 43°C, partly cloudy throughout the day, with steady humidity and barometric pressure falling. Winds moving from the WSW to the ESE at 8 mph 13 km/h.

Friday, September 11, 2026

Mid-Morning
Jasper Weather - 2026-09-11 - Morning - Scattered Showers
92°F 33°C
Scattered Showers
Mid-Afternoon
Jasper Weather - 2026-09-11 - Afternoon - Scattered Showers
106°F 41°C
Scattered Showers
Early-Evening
Jasper Weather - 2026-09-11 - Evening - Sunny
92°F 34°C
Sunny
Scorching hot near 106°F 41°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the WSW to the ESE at 9 mph 14 km/h.

Saturday, September 12, 2026

Mid-Morning
Jasper Weather - 2026-09-12 - Morning - Sunny
89°F 32°C
Sunny
Mid-Afternoon
Jasper Weather - 2026-09-12 - Afternoon - Sunny
106°F 41°C
Sunny
Early-Evening
Jasper Weather - 2026-09-12 - Evening - Partly Cloudy
99°F 38°C
Partly Cloudy
Sweltering heat reaching 106°F 41°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds shifting from the SW to the SSW at 8 mph 13 km/h.

Sunday, September 13, 2026

Mid-Morning
Jasper Weather - 2026-09-13 - Morning - Cloudy
93°F 34°C
Cloudy
Mid-Afternoon
Jasper Weather - 2026-09-13 - Afternoon - Partly Cloudy
104°F 40°C
Partly Cloudy
Early-Evening
Jasper Weather - 2026-09-13 - Evening - Overcast
90°F 33°C
Overcast
Dangerously hot temperatures around 104°F 40°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds turning from the WSW to the NW at 11 mph 18 km/h. Gusts up to 22 mph 36 km/h.

Monday, September 14, 2026

Mid-Morning
Jasper Weather - 2026-09-14 - Morning - Scattered Showers
84°F 29°C
Scattered Showers
Mid-Afternoon
Jasper Weather - 2026-09-14 - Afternoon - Sunny
103°F 40°C
Sunny
Early-Evening
Jasper Weather - 2026-09-14 - Evening - Sunny
90°F 32°C
Sunny
Dangerously hot with a high of 103°F 40°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds switching from the SSW to the WSW at 8 mph 13 km/h.

Tuesday, September 15, 2026

Mid-Morning
Jasper Weather - 2026-09-15 - Morning - Light Fog
70°F 21°C
Light Fog
Mid-Afternoon
Jasper Weather - 2026-09-15 - Afternoon - Sunny
83°F 28°C
Sunny
Early-Evening
Jasper Weather - 2026-09-15 - Evening - Sunny
74°F 23°C
Sunny
Quite warm around 83°F 28°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the WNW to the E at 9 mph 14 km/h.

Wednesday, September 16, 2026

Mid-Morning
Jasper Weather - 2026-09-16 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Jasper Weather - 2026-09-16 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Jasper Weather - 2026-09-16 - Evening - Sunny
72°F 23°C
Sunny
Warm temperatures up to 82°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the NNW to the NNE at 9 mph 14 km/h.

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Weather by the Numbers

Thu, 3rd
Jasper IL Weather - Thursday, Sep 3, 2026 - Sunny
Hi: 101°F 38°C
Lo: 73°F 23°C
Sunrise 06:25 AM
Sunset 07:20 PM
Wind W 8 mph13 km/h
Dew Point 73°F23°C
uv Index 8
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 43%
Fri, 4th
Jasper IL Weather - Friday, Sep 4, 2026 - Sunny
Hi: 101°F 39°C
Lo: 79°F 26°C
Sunrise 06:25 AM
Sunset 07:19 PM
Wind WNW 7 mph12 km/h
Dew Point 63°F17°C
uv Index 8
Barometric Pressure 29.94 in1014 mb
POP 0% *
Humidity 32%
Sat, 5th
Jasper IL Weather - Saturday, Sep 5, 2026 - Thundery Outbreaks In Nearby
Hi: 102°F 39°C
Lo: 79°F 26°C
Sunrise 06:26 AM
Sunset 07:17 PM
Wind N 6 mph9 km/h
Dew Point 65°F18°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 3% *
Humidity 35%
Sun, 6th
Jasper IL Weather - Sunday, Sep 6, 2026 - Sunny
Hi: 93°F 34°C
Lo: 71°F 21°C
Sunrise 06:27 AM
Sunset 07:16 PM
Wind ENE 12 mph20 km/h
Dew Point 64°F18°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 46%
Mon, 7th
Jasper IL Weather - Monday, Sep 7, 2026 - Sunny
Hi: 90°F 32°C
Lo: 61°F 16°C
Sunrise 06:28 AM
Sunset 07:14 PM
Wind NE 7 mph12 km/h
Dew Point 53°F11°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 35%
Tue, 8th
Jasper IL Weather - Tuesday, Sep 8, 2026 - Sunny
Hi: 99°F 37°C
Lo: 66°F 19°C
Sunrise 06:29 AM
Sunset 07:13 PM
Wind SSE 6 mph9 km/h
Dew Point 56°F14°C
uv Index 8
Barometric Pressure 30.03 in1017 mb
POP 5% *
Humidity 32%
Wed, 9th
Jasper IL Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 108°F 42°C
Lo: 80°F 27°C
Sunrise 06:30 AM
Sunset 07:11 PM
Wind WSW 14 mph22 km/h
Dew Point 60°F15°C
uv Index 9
Barometric Pressure 30 in1016 mb
POP 4% *
Humidity 28%
Thu, 10th
Jasper IL Weather - Thursday, Sep 10, 2026 - Partly Cloudy
Hi: 109°F 43°C
Lo: 80°F 27°C
Sunrise 06:31 AM
Sunset 07:09 PM
Wind WNW 11 mph17 km/h
Dew Point 57°F14°C
uv Index 9
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 22%
Fri, 11th
Jasper IL Weather - Friday, Sep 11, 2026 - Patchy Rain Nearby
Hi: 107°F 41°C
Lo: 80°F 27°C
Sunrise 06:32 AM
Sunset 07:08 PM
Wind W 11 mph18 km/h
Dew Point 59°F15°C
uv Index 8
Barometric Pressure 29.85 in1011 mb
POP 7% *
Humidity 24%
Sat, 12th
Jasper IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 106°F 41°C
Lo: 79°F 26°C
Sunrise 06:32 AM
Sunset 07:06 PM
Wind WSW 7 mph12 km/h
Dew Point 57°F14°C
uv Index 9
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 24%
Sun, 13th
Jasper IL Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 104°F 40°C
Lo: 76°F 24°C
Sunrise 06:33 AM
Sunset 07:05 PM
Wind SW 13 mph21 km/h
Dew Point 58°F14°C
uv Index 9
Barometric Pressure 29.91 in1013 mb
POP 2% *
Humidity 24%
Mon, 14th
Jasper IL Weather - Monday, Sep 14, 2026 - Sunny
Hi: 104°F 40°C
Lo: 73°F 23°C
Sunrise 06:34 AM
Sunset 07:03 PM
Wind SW 15 mph24 km/h
Dew Point 62°F16°C
uv Index 9
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 32%
Tue, 15th
Jasper IL Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 83°F 28°C
Lo: 66°F 19°C
Sunrise 06:35 AM
Sunset 07:01 PM
Wind WNW 14 mph22 km/h
Dew Point 46°F8°C
uv Index 7
Barometric Pressure 29.85 in1011 mb
POP 1% *
Humidity 33%
Wed, 16th
Jasper IL Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 82°F 28°C
Lo: 60°F 16°C
Sunrise 06:36 AM
Sunset 07:00 PM
Wind NW 7 mph12 km/h
Dew Point 44°F7°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 32%
* POP = Probability of Precipitation. Data for 12:00 PM.