Mount Vernon, IL 62864 Hourly Weather

Jefferson County5:27 AM CDT38.32°N, 88.91°W

Next 48 hours

5 AM 8 AM 11 AM 2 PM 5 PM 8 PM 11 PM Thu Oct 22 2 AM 5 AM 8 AM 11 AM 2 PM 5 PM 8 PM 11 PM Fri Oct 23 2 AM 50° 60° 70° %
TemperatureFeels likeChance of precipitationNight
Wednesday, October 2119 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
5 AM Clear 44° 44° 0% 0.00 in Calm 93% 42° 2% 0
6 AM Sunny 43° 43° 0% 0.00 in Calm 93% 41° 3% 0
7 AM Sunny 43° 43° 0% 0.00 in Calm 93% 41° 2% 0
8 AM Sunny 45° 45° 0% 0.00 in Calm 93% 43° 1% 0
9 AM Sunny 51° 51° 0% 0.00 in Calm 80% 45° 2% 1
10 AM Sunny 60° 60° 0% 0.00 in Calm 58% 45° 4% 2
11 AM Sunny 64° 64° 1% 0.00 in Calm 50% 45° 3% 4
12 PM Sunny 69° 69° 1% 0.00 in Calm 40% 44° 5% 5
1 PM Sunny 72° 72° 1% 0.00 in Calm 35% 43° 4% 5
2 PM Sunny 73° 73° 1% 0.00 in Calm 33% 42° 6% 4
3 PM Sunny 74° 74° 1% 0.00 in Calm 30% 41° 3% 2
4 PM Sunny 75° 75° 2% 0.00 in Calm 29% 41° 4% 1
5 PM Sunny 73° 73° 2% 0.00 in NNE 1 33% 42° 3% 0
6 PM Mostly Clear 70° 70° 2% 0.00 in Calm 38% 43° 6% 0
7 PM Mostly Clear 65° 65° 2% 0.00 in Calm 46% 44° 13% 0
8 PM Mostly Clear 58° 58° 2% 0.00 in Calm 62% 45° 7% 0
9 PM Mostly Clear 55° 55° 2% 0.00 in Calm 69% 45° 7% 0
10 PM Mostly Clear 54° 54° 2% 0.00 in Calm 71% 45° 7% 0
11 PM Mostly Clear 53° 53° 2% 0.00 in Calm 71% 44° 8% 0
Thursday, October 2224 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 52° 52° 2% 0.00 in Calm 74% 44° 3% 0
1 AM Clear 51° 51° 2% 0.00 in Calm 77% 44° 4% 0
2 AM Clear 50° 50° 2% 0.00 in Calm 77% 43° 3% 0
3 AM Clear 49° 49° 2% 0.00 in Calm 80% 43° 3% 0
4 AM Clear 48° 48° 2% 0.00 in Calm 83% 43° 4% 0
5 AM Clear 48° 48° 0% 0.00 in Calm 80% 42° 1% 0
6 AM Sunny 47° 47° 1% 0.00 in Calm 83% 42° 4% 0
7 AM Sunny 46° 46° 0% 0.00 in Calm 83% 41° 3% 0
8 AM Sunny 48° 48° 0% 0.00 in Calm 86% 44° 1% 0
9 AM Sunny 55° 55° 0% 0.00 in Calm 72% 46° 1% 1
10 AM Sunny 64° 64° 0% 0.00 in Calm 52% 46° 2% 2
11 AM Sunny 68° 68° 0% 0.00 in NE 1 43% 45° 2% 4
12 PM Sunny 72° 72° 0% 0.00 in NE 2 38% 45° 2% 5
1 PM Sunny 74° 74° 0% 0.00 in NE 2 35% 45° 2% 5
2 PM Sunny 75° 75° 0% 0.00 in NNE 3 33% 44° 4% 4
3 PM Sunny 76° 76° 0% 0.00 in NNE 3 32% 44° 3% 2
4 PM Sunny 77° 77° 0% 0.00 in NNE 3 31% 44° 2% 1
5 PM Sunny 75° 75° 0% 0.00 in NE 3 34% 45° 2% 0
6 PM Clear 72° 72° 0% 0.00 in NE 2 39% 46° 3% 0
7 PM Clear 67° 67° 0% 0.00 in ENE 1 49% 47° 0% 0
8 PM Clear 60° 60° 0% 0.00 in Calm 64% 48° 0% 0
9 PM Clear 56° 56° 0% 0.00 in Calm 74% 48° 0% 0
10 PM Clear 55° 55° 0% 0.00 in Calm 77% 48° 0% 0
11 PM Clear 53° 53° 0% 0.00 in Calm 83% 48° 0% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 52° 52° 0% 0.00 in Calm 83% 47° 1% 0
1 AM Clear 51° 51° 0% 0.00 in Calm 86% 47° 1% 0
2 AM Clear 50° 50° 0% 0.00 in Calm 86% 46° 2% 0
3 AM Clear 49° 49° 0% 0.00 in E 1 89% 46° 2% 0
4 AM Clear 48° 48° 0% 0.00 in E 1 89% 45° 3% 0
5 AM Clear 46° 46° 0% 0.00 in E 1 93% 44° 3% 0
6 AM Sunny 45° 45° 0% 0.00 in E 1 96% 44° 4% 0
7 AM Sunny 46° 46° 0% 0.00 in E 1 93% 44° 4% 0
8 AM Sunny 50° 50° 0% 0.00 in E 1 83% 45° 3% 0
9 AM Sunny 56° 56° 0% 0.00 in ESE 2 66% 45° 2% 1
10 AM Sunny 61° 61° 0% 0.00 in ESE 2 58% 46° 1% 2
11 AM Sunny 65° 65° 0% 0.00 in ESE 3 G8 50% 46° 1% 4
12 PM Sunny 69° 69° 0% 0.00 in ESE 3 G8 42% 45° 2% 4
1 PM Sunny 71° 71° 0% 0.00 in ESE 5 38% 44° 2% 4
2 PM Sunny 73° 73° 0% 0.00 in ESE 6 34% 43° 2% 4
3 PM Sunny 74° 74° 0% 0.00 in E 6 33% 43° 1% 2
4 PM Sunny 74° 74° 0% 0.00 in E 6 33% 43° 1% 1
5 PM Sunny 72° 72° 0% 0.00 in E 6 35% 43° 1% 0
6 PM Clear 68° 68° 0% 0.00 in E 5 42% 44° 0% 0
7 PM Clear 64° 64° 0% 0.00 in E 3 50% 45° 0% 0
8 PM Clear 61° 61° 0% 0.00 in E 2 58% 46° 1% –
9 PM Clear 57° 57° 0% 0.00 in E 2 67% 46° 1% –
10 PM Clear 54° 54° 0% 0.00 in E 1 74% 46° 2% –
11 PM Mostly Clear 52° 52° 0% 0.00 in E 1 80% 46° 6% –
Saturday, October 2424 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 52° 52° 0% 0.00 in ESE 1 77% 45° 10% –
1 AM Mostly Clear 51° 51° 0% 0.00 in ESE 1 80% 45° 14% –
2 AM Mostly Clear 50° 50° 0% 0.00 in ESE 1 83% 45° 16% –
3 AM Mostly Clear 49° 49° 0% 0.00 in ESE 1 83% 44° 17% –
4 AM Mostly Clear 47° 47° 0% 0.00 in ESE 1 89% 44° 19% –
5 AM Mostly Clear 46° 46° 0% 0.00 in ESE 1 89% 43° 21% –
6 AM Sunny 45° 45° 0% 0.00 in ESE 1 93% 43° 22% –
7 AM Sunny 45° 45° 0% 0.00 in ESE 1 93% 43° 24% –
8 AM Sunny 49° 49° 0% 0.00 in ESE 2 83% 44° 21% –
9 AM Sunny 55° 55° 0% 0.00 in SE 2 69% 45° 18% –
10 AM Sunny 61° 61° 0% 0.00 in SE 3 58% 46° 15% –
11 AM Sunny 66° 66° 0% 0.00 in SE 3 G8 48% 46° 19% –
12 PM Sunny 70° 70° 0% 0.00 in SSE 5 42% 46° 22% –
1 PM Mostly Sunny 72° 72° 0% 0.00 in SSE 5 38% 45° 26% –
2 PM Mostly Sunny 75° 75° 0% 0.00 in SSE 5 33% 44° 26% –
3 PM Mostly Sunny 75° 75° 0% 0.00 in SSE 5 32% 43° 27% –
4 PM Mostly Sunny 75° 75° 0% 0.00 in SSE 5 32% 43° 27% –
5 PM Mostly Sunny 73° 73° 0% 0.00 in SSE 3 35% 44° 28% –
6 PM Partly Cloudy 69° 69° 0% 0.00 in SE 2 42% 45° 29% –
7 PM Partly Cloudy 65° 65° 0% 0.00 in SE 1 50% 46° 30% –
8 PM Partly Cloudy 62° 62° 0% 0.00 in SE 1 56% 46° 30% –
9 PM Partly Cloudy 58° 58° 0% 0.00 in SE 1 67% 47° 30% –
10 PM Partly Cloudy 56° 56° 0% 0.00 in SSE 1 72% 47° 30% –
11 PM Partly Cloudy 55° 55° 0% 0.00 in SSE 1 74% 47° 30% –
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 54° 54° 0% 0.00 in Calm 77% 47° 30% –
1 AM Partly Cloudy 53° 53° 0% 0.00 in Calm 77% 46° 44% –
2 AM Partly Cloudy 52° 52° 0% 0.00 in Calm 77% 45° 44% –
3 AM Partly Cloudy 51° 51° 0% 0.00 in Calm 80% 45° 44% –
4 AM Partly Cloudy 50° 50° 0% 0.00 in Calm 80% 44° 44% –
5 AM Partly Cloudy 49° 49° 0% 0.00 in Calm 80% 43° 44% –
6 AM Mostly Sunny 48° 48° 0% 0.00 in Calm 83% 43° 44% –
7 AM Mostly Sunny 49° 49° 0% 0.00 in Calm 80% 43° 42% –
8 AM Mostly Sunny 53° 53° 0% 0.00 in Calm 71% 44° 42% –
9 AM Mostly Sunny 58° 58° 0% 0.00 in SSW 1 64% 46° 42% –
10 AM Mostly Sunny 64° 64° 0% 0.00 in SSW 2 54% 47° 42% –
11 AM Mostly Sunny 68° 68° 0% 0.00 in SSW 3 45% 46° 42% –
12 PM Mostly Sunny 72° 72° 0% 0.00 in SW 5 38% 45° 42% –
1 PM Mostly Sunny 75° 75° 0% 0.00 in SW 6 33% 44° 46% –
2 PM Mostly Sunny 77° 77° 0% 0.00 in SW 6 30% 43° 46% –
3 PM Mostly Sunny 78° 78° 0% 0.00 in SSW 6 29% 43° 46% –
4 PM Mostly Sunny 77° 77° 0% 0.00 in SSW 5 30% 43° 46% –
5 PM Mostly Sunny 75° 75° 0% 0.00 in SSW 3 33% 44° 46% –
6 PM Partly Cloudy 71° 71° 0% 0.00 in SSW 1 41% 46° 46% –
7 PM Partly Cloudy 67° 67° 0% 0.00 in Calm 49% 47° 45% –
8 PM Partly Cloudy 63° 63° 0% 0.00 in Calm 58% 48° 45% –
9 PM Partly Cloudy 60° 60° 0% 0.00 in Calm 64% 48° 45% –
10 PM Partly Cloudy 57° 57° 0% 0.00 in Calm 72% 48° 45% –
11 PM Partly Cloudy 55° 55° 0% 0.00 in Calm 77% 48° 45% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 54° 54° 0% 0.00 in Calm 80% 48° 45% –
1 AM Partly Cloudy 53° 53° 0% 0.00 in Calm 80% 47° 46% –
2 AM Partly Cloudy 52° 52° 0% 0.00 in Calm 80% 46° 46% –
3 AM Partly Cloudy 51° 51° 0% 0.00 in Calm 83% 46° 46% –
4 AM Partly Cloudy 51° 51° 0% 0.00 in Calm 80% 45° 46% –
5 AM Partly Cloudy 50° 50° 0% 0.00 in Calm 80% 44° 46% –
6 AM Mostly Sunny 49° 49° 0% 0.00 in Calm 83% 44° 46% –
7 AM Partly Sunny 50° 50° 0% 0.00 in Calm 80% 44° 54% –
8 AM Partly Sunny 53° 53° 0% 0.00 in Calm 74% 45° 54% –
9 AM Partly Sunny 58° 58° 0% 0.00 in Calm 64% 46° 54% –
10 AM Partly Sunny 63° 63° 0% 0.00 in Calm 56% 47° 54% –
11 AM Partly Sunny 67° 67° 0% 0.00 in SW 1 49% 47° 54% –
12 PM Partly Sunny 70° 70° 0% 0.00 in SW 1 42% 46° 54% –
1 PM Partly Sunny 73° 73° 0% 0.00 in SW 2 37% 45° 53% –
2 PM Partly Sunny 75° 75° 0% 0.00 in SW 3 33% 44° 53% –
3 PM Partly Sunny 76° 76° 0% 0.00 in SW 3 32% 44° 53% –
4 PM Partly Sunny 75° 75° 0% 0.00 in SW 3 33% 44° 53% –
5 PM Partly Sunny 73° 73° 0% 0.00 in SW 2 37% 45° 53% –
6 PM Mostly Cloudy 70° 70° 0% 0.00 in SSW 1 44% 47° 53% –
7 PM Mostly Cloudy 66° 66° 0% 0.00 in Calm 52% 48° 53% –
8 PM Mostly Cloudy 63° 63° 0% 0.00 in Calm 60% 49° 53% –
9 PM Mostly Cloudy 60° 60° 0% 0.00 in Calm 67% 49° 53% –
10 PM Mostly Cloudy 57° 57° 0% 0.00 in Calm 75% 49° 53% –
11 PM Mostly Cloudy 56° 56° 0% 0.00 in Calm 77% 49° 53% –
Tuesday, October 2715 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 55° 55° 0% 0.00 in Calm 80% 49° 53% –
1 AM Mostly Cloudy 54° 54° 1% 0.00 in Calm 80% 48° 59% –
2 AM Mostly Cloudy 53° 53° 1% 0.00 in Calm 80% 47° 59% –
3 AM Mostly Cloudy 52° 52° 1% 0.00 in Calm 83% 47° 59% –
4 AM Mostly Cloudy 51° 51° 1% 0.00 in Calm 83% 46° 59% –
5 AM Mostly Cloudy 50° 50° 1% 0.00 in Calm 83% 45° 59% –
6 AM Partly Sunny 49° 49° 1% 0.00 in Calm 86% 45° 59% –
7 AM Slight Chance Rain Showers 49° 49° 15% <0.01 in Calm 86% 45° 64% –
8 AM Slight Chance Rain Showers 52° 52° 15% <0.01 in NNE 1 80% 46° 64% –
9 AM Slight Chance Rain Showers 56° 56° 15% <0.01 in NNE 1 69% 46° 64% –
10 AM Slight Chance Rain Showers 60° 60° 15% <0.01 in NNE 2 62% 47° 64% –
11 AM Slight Chance Rain Showers 63° 63° 15% <0.01 in NNE 3 56% 47° 64% –
12 PM Slight Chance Rain Showers 66° 66° 15% <0.01 in NNE 3 50% 47° 64% –
1 PM Mostly Sunny 68° 68° 10% 0.00 in NNE 5 45% 46° 45% –
2 PM Mostly Sunny 70° 70° 10% 0.00 in NNE 6 41% 45° 45% –

National Weather Service forecast updated 3 hrs ago. Precipitation amounts are the forecast liquid equivalent for each hour.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.