Local Forecast

St. Joseph, IL Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for St. Joseph, IL.

No Active Alerts

Hour-by-Hour  Current Observation

Sunday 6:35 PM CDTSunday 6:35 PM

°F °C
Regional Observations →
81°F

Partly Cloudy

  • 86° / 69° High / Low
  • 86° Feels Like
  • 0% Chance of Rain

Wind

13 mph

NE

UV Index

3

Moderate

Humidity

71%

Dew 71°F

Sun

5:22 AM · 8:18 PM

Rise · Set

Source: RANTOUL (KTIP). Slider scrubs the next 12 hours.

5-Day Outlook

Through Thursday

Local Radar →

Today

86° 69°

Thunderstorms Likely

Overnight: Chance of Thunderstorms

Detailed forecast

Today

A chance of showers and thunderstorms. Partly sunny, with a high near 86. South southeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Night

A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

Monday

84° 69°

Thunderstorms

Overnight: Thunderstorms

Detailed forecast

Monday

A chance of showers and thunderstorms before 10am, then showers and thunderstorms likely. Mostly cloudy, with a high near 83. South southeast wind 8 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Night

Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and midnight, then showers and thunderstorms. Mostly cloudy, with a low around 68. South wind 7 to 12 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

89° 71°

Isolated T-storm

Overnight: Isolated T-storm

Detailed forecast

Tuesday

Showers and thunderstorms likely before 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. South southwest wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Night

A chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 71. South southwest wind around 9 mph. Chance of precipitation is 40%.

Wednesday

91° 73°

Mostly Sunny

Overnight: Slight Chance of Showers

Detailed forecast

Wednesday

A chance of showers and thunderstorms before 7am. Sunny, with a high near 92. South southwest wind 9 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

Night

A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly clear, with a low around 73. Chance of precipitation is 30%.

Thursday

91° 68°

Chance of Scattered Thunderstorms

Overnight: Rain Likely

Detailed forecast

Thursday

A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 50%.

Night

A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 65.

St. Joseph, IL Weather Analysis Tools