Observed 3:35 PM CDT at KSLO
Vandalia, IL weather
Sunny and 75°24°.
Today: low 46°8° (likely 43°6° to 47°8°), high 74°23° (likely 72°22° to 74°23°).
Now 75°24°
Sunny
- Wind
- 5 mph8 km/h
- From the southeast. Up to 5 mph8 km/h through 4 AM
- Dew point
- 44°7°
- Comfortable
- UV tomorrow
- 4Moderate
- Moderate 11 AM–4 PM · peak 4
- Pressure
- 30.34 inHg1027 hPa
- Falling slowly · −0.04 inHg−1.4 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
This afternoonNear 73°23° · Partly cloudy
TonightDown to 48°9° by 4 AM · Clear
Tomorrow morningUp to 66°19° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 76°24° by 3 PM · Mostly cloudy
Tomorrow nightDown to 50°10° by 5 AM · Mostly cloudy
Monday morningUp to 68°20° by 11 AM · Mostly cloudy
Monday afternoonUp to 77°25° by 3 PM · Mostly cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 4p | Cloudy | 74°23° (likely 71°22° to 74°23°) | 74°23° | 0% | 5 mph8 km/h from SE, gusts 7 mph11 km/h | 34% | 58% | 1 |
| Sat 5p | Mostly sunny | 72°22° (likely 68°20° to 73°23°) | 72°22° | 0% | 2 mph3 km/h from SE, gusts 8 mph13 km/h | 37% | 25% | 0 |
| Sat 6p | Clear | 68°20° (likely 63°17° to 68°20°) | 68°20° | 0% | 2 mph3 km/h from E, gusts 7 mph12 km/h | 45% | 9% | 0 |
| Sat 7p | Clear | 63°17° (likely 60°16° to 64°18°) | 63°17° | 0% | 3 mph5 km/h from SE, gusts 6 mph10 km/h | 54% | 10% | 0 |
| Sat 8p | Clear | 59°15° (likely 58°14° to 60°16°) | 59°15° | 0% | 2 mph3 km/h from SE, gusts 7 mph12 km/h | 62% | 7% | 0 |
| Sat 9p | Clear | 56°13° (likely 56°13° to 58°14°) | 56°13° | 0% | 1 mph2 km/h from SE, gusts 6 mph9 km/h | 69% | 3% | 0 |
| Sat 10p | Clear | 54°12° (likely 54°12° to 56°13°) | 54°12° | 0% | 1 mph2 km/h from SE, gusts 7 mph11 km/h | 74% | 0% | 0 |
| Sat 11p | Clear | 53°12° (likely 53°12° to 55°13°) | 53°12° | 0% | 1 mph2 km/h from SE, gusts 7 mph11 km/h | 74% | 0% | 0 |
| Sun 12a | Clear | 52°11° (likely 51°11° to 54°12°) | 52°11° | 0% | 1 mph2 km/h from E, gusts 6 mph9 km/h | 77% | 1% | 0 |
| Sun 1a | Clear | 50°10° (likely 50°10° to 53°12°) | 50°10° | 0% | 1 mph2 km/h from E, gusts 6 mph10 km/h | 83% | 22% | 0 |
| Sun 2a | Clear | 50°10° (likely 49°9° to 52°11°) | 50°10° | 0% | 0 mph0 km/h, gusts 5 mph9 km/h | 83% | 16% | 0 |
| Sun 3a | Partly cloudy | 49°9° (likely 48°9° to 51°11°) | 49°9° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 86% | 35% | 0 |
| Sun 4a | Mostly clear | 48°9° (likely 48°9° to 50°10°) | 48°9° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 89% | 32% | 0 |
| Sun 5a | Cloudy | 48°9° (likely 47°8° to 49°9°) | 48°9° | 0% | 0 mph0 km/h, gusts 5 mph7 km/h | 89% | 72% | 0 |
| Sun 6a | Partly cloudy | 47°8° (likely 46°8° to 48°9°) | 47°8° | 0% | 0 mph0 km/h, gusts 3 mph6 km/h | 89% | 73% | 0 |
| Sun 7a | Partly sunny | 46°8° (likely 46°8° to 48°9°) | 46°8° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 93% | 74% | 0 |
| Sun 8a | Partly sunny | 48°9° (likely 47°8° to 50°10°) | 48°9° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 93% | 71% | 0 |
| Sun 9a | Cloudy | 55°13° (likely 52°11° to 56°13°) | 55°13° | 0% | 1 mph2 km/h from SE, gusts 4 mph7 km/h | 77% | 71% | 1 |
| Sun 10a | Cloudy | 62°17° (likely 60°16° to 62°17°) | 62°17° | 0% | 1 mph2 km/h from S, gusts 6 mph10 km/h | 65% | 60% | 2 |
| Sun 11a | Cloudy | 66°19° (likely 65°18° to 68°20°) | 66°19° | 0% | 3 mph5 km/h from S, gusts 6 mph10 km/h | 54% | 56% | 3 |
| Sun 12p | Partly sunny | 70°21° (likely 69°21° to 73°23°) | 70°21° | 0% | 3 mph5 km/h from S, gusts 6 mph10 km/h | 46% | 39% | 4 |
| Sun 1p | Sunny | 73°23° (likely 71°22° to 76°24°) | 73°23° | 0% | 3 mph5 km/h from S, gusts 6 mph9 km/h | 41% | 42% | 4 |
| Sun 2p | Cloudy | 75°24° (likely 73°23° to 78°26°) | 75°24° | 0% | 3 mph5 km/h from S, gusts 5 mph8 km/h | 37% | 76% | 4 |
| Sun 3p | Cloudy | 76°24° (likely 73°23° to 78°26°) | 76°24° | 0% | 3 mph5 km/h from S, gusts 5 mph9 km/h | 34% | 79% | 3 |
| Sun 4p | Cloudy | 76°24° (likely 72°22° to 78°26°) | 76°24° | 0% | 2 mph3 km/h from SE, gusts 6 mph10 km/h | 34% | 79% | 2 |
| Sun 5p | Cloudy | 74°23° (likely 70°21° to 76°24°) | 74°23° | 0% | 1 mph2 km/h from S, gusts 5 mph9 km/h | 38% | 75% | 1 |
| Sun 6p | Cloudy | 70°21° (likely 66°19° to 71°22°) | 70°21° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 44% | 80% | 0 |
| Sun 7p | Cloudy | 64°18° (likely 63°17° to 68°20°) | 64°18° | 0% | 1 mph2 km/h from S, gusts 4 mph6 km/h | 56% | 80% | 0 |
| Sun 8p | Cloudy | 60°16° (likely 60°16° to 66°19°) | 60°16° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 64% | 80% | 0 |
| Sun 9p | Cloudy | 58°14° (likely 58°14° to 62°17°) | 58°14° | 0% | 1 mph2 km/h from SE, gusts 4 mph6 km/h | 69% | 80% | 0 |
| Sun 10p | Cloudy | 56°13° (likely 56°13° to 60°16°) | 56°13° | 0% | 1 mph2 km/h from SE, gusts 5 mph9 km/h | 74% | 80% | 0 |
| Sun 11p | Cloudy | 55°13° (likely 55°13° to 58°14°) | 55°13° | 0% | 1 mph2 km/h from S, gusts 6 mph10 km/h | 77% | 79% | 0 |
| Mon 12a | Cloudy | 54°12° (likely 54°12° to 57°14°) | 54°12° | 0% | 1 mph2 km/h from S, gusts 7 mph11 km/h | 80% | 81% | 0 |
| Mon 1a | Cloudy | 53°12° (likely 53°12° to 56°13°) | 53°12° | 0% | 1 mph2 km/h from S, gusts 7 mph11 km/h | 83% | 81% | 0 |
| Mon 2a | Cloudy | 52°11° (likely 52°11° to 55°13°) | 52°11° | 0% | 1 mph2 km/h from S, gusts 6 mph9 km/h | 86% | 82% | 0 |
| Mon 3a | Cloudy | 51°11° (likely 51°11° to 54°12°) | 51°11° | 0% | 1 mph2 km/h from S, gusts 6 mph10 km/h | 89% | 92% | 0 |
| Mon 4a | Cloudy | 51°11° (likely 51°11° to 53°12°) | 51°11° | 0% | 1 mph2 km/h from S, gusts 6 mph9 km/h | 89% | 85% | 0 |
| Mon 5a | Cloudy | 50°10° (likely 50°10° to 52°11°) | 50°10° | 0% | 1 mph2 km/h from S, gusts 6 mph9 km/h | 89% | 75% | 0 |
| Mon 6a | Cloudy | 50°10° (likely 50°10° to 52°11°) | 50°10° | 0% | 1 mph2 km/h from S, gusts 5 mph8 km/h | 89% | 67% | 0 |
| Mon 7a | Cloudy | 49°9° (likely 49°9° to 52°11°) | 49°9° | 0% | 1 mph2 km/h from S, gusts 5 mph8 km/h | 93% | 74% | 0 |
| Mon 8a | Cloudy | 51°11° (likely 50°10° to 54°12°) | 51°11° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 89% | 75% | 0 |
| Mon 9a | Cloudy | 57°14° (likely 55°13° to 58°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 77% | 74% | 1 |
| Mon 10a | Cloudy | 63°17° (likely 63°17° to 65°18°) | 63°17° | 0% | 1 mph2 km/h from SW, gusts 9 mph15 km/h | 65% | 86% | 2 |
| Mon 11a | Cloudy | 68°20° (likely 68°20° to 70°21°) | 68°20° | 0% | 1 mph2 km/h from SW, gusts 10 mph16 km/h | 57% | 75% | 3 |
| Mon 12p | Cloudy | 71°22° (likely 71°22° to 74°23°) | 71°22° | 0% | 2 mph3 km/h from SW, gusts 9 mph15 km/h | 49% | 84% | 3 |
| Mon 1p | Cloudy | 74°23° (likely 72°22° to 76°24°) | 74°23° | 0% | 2 mph3 km/h from SW, gusts 9 mph15 km/h | 41% | 86% | 4 |
| Mon 2p | Cloudy | 76°24° (likely 72°22° to 77°25°) | 76°24° | 0% | 2 mph3 km/h from SW, gusts 9 mph15 km/h | 39% | 81% | 4 |
| Mon 3p | Mostly cloudy | 77°25° (likely 71°22° to 78°26°) | 77°25° | 0% | 2 mph3 km/h from SW, gusts 8 mph14 km/h | 36% | 70% | 3 |
Days ahead
Today, Oct 24. Partly sunny. High 74°23°, low 46°8°. Dry. Forecasts agree.
Afternoon
noon–6 PM
Mostly sunny, 74°23°Dry
Evening
6 PM–midnight
Clear, 59°15°Dry
Overnight
midnight–6 AM
Partly cloudy, 48°9°Dry
Official NWS forecast
Today: Mostly sunny, with a high near 74. Southeast wind around 5 mph.
Tonight: Mostly clear, with a low around 46. East wind 0 to 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 72°22°–74°23°
- Low, likely
- 43°6°–47°8°
- Wind
- 6 mph10 km/h, gusts 13 mph21 km/h
- UV peak
- 5
Tomorrow, Oct 25. Cloudy. High 76°24°, low 49°9°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 48°9°Dry
Afternoon
noon–6 PM
Cloudy, 76°24°Dry
Evening
6 PM–midnight
Cloudy, 60°16°Dry
Overnight
midnight–6 AM
Cloudy, 50°10°Dry
Official NWS forecast
Day: Mostly sunny, with a high near 76. Southeast wind 0 to 3 mph.
Night: Mostly cloudy, with a low around 49. South wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 73°23°–78°26°
- Low, likely
- 46°8°–49°9°
- Wind
- 6 mph9 km/h
- UV peak
- 4
Monday, Oct 26. Cloudy. High 77°25°, low 48°9°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 51°11°Dry
Afternoon
noon–6 PM
Mostly cloudy, 77°25°Dry
Evening
6 PM–midnight
Partly cloudy, 63°17°Dry
Overnight
midnight–6 AM
Cloudy, 52°11°Dry
Official NWS forecast
Day: Partly sunny. High near 77, with temperatures falling to around 73 in the afternoon. Southwest wind around 2 mph.
Night: Partly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 72°22°–77°25°
- Low, likely
- 48°9°–52°11°
- Wind
- 8 mph13 km/h
- UV peak
- 4
Tuesday, Oct 27. Cloudy. High 75°24°, low 50°10°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 52°11°Dry
Afternoon
noon–6 PM
Cloudy, 73°23°Dry
Evening
6 PM–midnight
Cloudy, 63°17°Dry
Overnight
midnight–6 AM
Clear, 53°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 75.
Night: Mostly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 70°21°–75°24°
- Low, likely
- 48°9°–55°13°
- Wind
- 8 mph13 km/h, gusts 20 mph32 km/h
- UV peak
- 3
Wednesday, Oct 28. Cloudy. High 79°26°, low 52°11°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 54°12°Dry
Afternoon
noon–6 PM
Sunny, 77°25°Dry
Evening
6 PM–midnight
Clear, 64°18°Dry
Overnight
midnight–6 AM
Clear, 55°13°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 79.
Night: Mostly clear, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–79°26°
- Low, likely
- 49°9°–54°12°
- Wind
- 11 mph18 km/h, gusts 18 mph29 km/h
- UV peak
- 4
Thursday, Oct 29. Mostly sunny. High 81°27°, low 52°11°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 56°13°Dry
Afternoon
noon–6 PM
Mostly sunny, 79°26°Dry
Evening
6 PM–midnight
Clear, 65°19°Dry
Overnight
midnight–6 AM
Mostly clear, 55°13°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 81.
Night: Mostly clear, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 76°24°–81°27°
- Low, likely
- 51°11°–56°13°
- Wind
- 13 mph20 km/h, gusts 23 mph37 km/h
- UV peak
- 4
Friday, Oct 30. Cloudy. High 80°27°, low 56°13°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 57°14°Dry
Afternoon
noon–6 PM
Cloudy, 78°26°Dry
Evening
6 PM–midnight
Cloudy, 64°18°Dry
Overnight
midnight–6 AM
Cloudy, 58°14°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 80.
Night: Mostly cloudy, with a low around 56.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 75°24°–80°27°
- Low, likely
- 52°11°–57°14°
- Wind
- 12 mph19 km/h, gusts 21 mph33 km/h
- UV peak
- 4
Saturday, Oct 31. Drizzle. High 74°23°, low 59°15°. Rain 0.09 in2.3 mm, 50% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 59°15°30% chance
Afternoon
noon–6 PM
Cloudy, 75°24°30% chance
Evening
6 PM–midnight
Cloudy, 68°20°50% chance · 0.04 in0.9 mm
Overnight
midnight–6 AM
Drizzle, 65°18°50% chance · 0.18 in4.7 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 71°22°–76°24°
- Low, likely
- 57°14°–61°16°
- Wind
- 15 mph23 km/h, gusts 24 mph39 km/h
- UV peak
- 2
Sunday, Nov 1. Showers. High 73°23°, low 62°17°. Rain 0.55 in14 mm, 50% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 66°19°50% chance · 0.08 in2 mm
Afternoon
noon–6 PM
Drizzle, 74°24°40% chance · 0.03 in0.8 mm
Evening
6 PM–midnight
Showers, 68°20°30% chance · 0.28 in7.1 mm
Overnight
midnight–6 AM
Drizzle, 54°12°30% chance · 0.06 in1.4 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 69°21°–79°26°
- Low, likely
- 60°16°–63°17°
- Wind
- 20 mph32 km/h, gusts 40 mph65 km/h
- UV peak
- 3
Monday, Nov 2. Rain. High 66°19°, low 51°11°. Rain 0.37 in9.4 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 53°11°40% chance · 0.06 in1.4 mm
Afternoon
noon–6 PM
Drizzle, 54°12°30% chance · 0.14 in3.6 mm
Evening
6 PM–midnight
Rain, 53°12°30% chance · 0.06 in1.5 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 58°14°–72°22°
- Low, likely
- 37°3°–65°18°
- Wind
- 22 mph36 km/h, gusts 38 mph61 km/h
- UV peak
- 2
The outlook
Today
Dry, high 74°, low 46°.
Tomorrow
Dry, high 76°, low 49°.
Monday
Dry, high 77°, low 48°.
Rest of week
Highs 66–81°; chance of precipitation on Saturday, Sunday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (LSX) (opens in a new tab)
What changed since yesterday
No meaningful changes from yesterday’s forecast.
Radar
Sun & moon
Sun
Sunrise 7:15 AM, sunset 6:05 PM.
- Daylight
- 10 h 50 min
- Losing 2 min 25 s a day; shortest Dec 21, 1 h 24 min less
- Golden hour
- 5:28–6:22 PM
- Morning 6:58–7:52 AM
- Blue hour
- 6:22–6:32 PM
- Morning 6:48–6:58 AM; first light 6:48 AM
Stars tonight? Fair
Mostly clear 6:32 PM–3 AM, but the moon is 99% lit and up.
Moon
Waxing gibbous
98% lit · growing
- Today
- sets 5:30 AM · rises 5:02 PM
- Full moon
- Oct 25
- New moon
- Nov 9
