U.S. Weather Search

Active Alerts

Loading alert map...

Severe Weather Outlook ?

Day 1 Outlook • April 18, 2026
Day 2 Outlook • April 19, 2026
Day 3 Outlook • April 20, 2026
🔔    Sign-up to receive real-time severe weather alerts via email or text - subscribe

Storm Reports

Loading...

Local Time ▼ Location ⇅ Event ⇅ Detail Source ⇅
Loading reports...
🔔    Sign-up to receive real-time storm reports via email or text - subscribe

Storm report data provided by WxData.com

National Weather Radar

Oldest ◀◀ drag to scrub ▶▶ Newest
dBZ 5
75

Hazardous Weather Conditions

Current Conditions: SAINT JOSEPH, ILLINOIS

RANTOUL (KTIP)

Rain

60.4 F
Humidity:95%
Wind Speed:W 12.8 G 17.2 mph
Barometer:29.78 in
Dewpoint:59.0 F
Visibility:7.00 mi
Precip:00.16 in
Heat Index:NA
Wind Chill:NA
Apr 17 2026, 10:55 PM CDT
Severe Weather Alerts
Severe Weather
 		Daily Weather Forecast
Daily Forecast
 		Observation Alert Monitoring
Observations
 		Storm Report Monitoring
Storm Reports

5 Day Forecast for SAINT JOSEPH, ILLINOIS (61873)

Friday

High 84 °F
Isolated T-storm
Friday
Night
Low 50 °F
T-storms
Saturday

High 57 °F
Chance of Rain Showers
Saturday
Night
Low 37 °F
Partly Cloudy
Sunday

High 59 °F
Partly Sunny
Sunday
Night
Low 35 °F
Mostly Clear
Monday

High 60 °F
Sunny
Monday
Night
Low 46 °F
Mostly Clear
Tuesday

High 77 °F
Partly Sunny

Detailed Forecast for SAINT JOSEPH, ILLINOIS (61873)

Friday
Isolated T-storm. High near 84°F. Wind 17 to 18 mph, with gusts as high as 28 mph.
Friday Night
Thunderstorms. Low around 50°F. Wind 16 to 18 mph, with gusts as high as 28 mph.
Saturday
Chance of Rain Showers. High near 57°F. Wind 14 to 21 mph, with gusts as high as 28 mph.
Saturday Night
Partly Cloudy. Low around 37°F. Wind 7 to 14 mph, with gusts as high as 21 mph.
Sunday
Partly Sunny. High near 59°F. Wind 9 to 20 mph, with gusts as high as 28 mph.
Sunday Night
Mostly Clear. Low around 35°F. Wind 5 to 7 mph, with gusts as high as 12 mph.
Monday
Sunny. High near 60°F. Wind 6 to 7 mph, with gusts as high as 12 mph.
Monday Night
Mostly Clear. Low around 46°F. Wind around 10 mph, with gusts as high as 17 mph.
Tuesday
Partly Sunny. High near 77°F. Wind 12 to 20 mph, with gusts as high as 28 mph.
Tuesday Night
Partly Cloudy. Low around 55°F. Wind around 9 mph, with gusts as high as 15 mph.
Wednesday
Mostly Sunny. High near 80°F. Wind 8 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly Clear. Low around 57°F. Wind around 7 mph, with gusts as high as 13 mph.
Thursday
Partly Sunny. High near 82°F. Wind 13 to 16 mph, with gusts as high as 22 mph.
Thursday Night
Chance of Scattered Thunderstorms. Low around 62°F. Wind around 12 mph, with gusts as high as 20 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 18, 2026

Observation History for SAINT JOSEPH, ILLINOIS

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
10:55 PM CDT W 12.8 G 17.2 7.00 Rain 00.16 60.4 59.0 95% NA NA 29.78 1008.5
10:35 PM CDT G 20.8 10.00 Light Rain 00.14 NULL 59.0 % NA NA 29.78 1008.5
10:15 PM CDT G 28.9 4.00 Heavy Rain 00.08 NULL % NA NA M
09:55 PM CDT 18.3 G 24.2 10.00 Partly Cloudy -- 74.3 62.4 66% NA 74.5 29.76 1007.8
09:35 PM CDT G 27.7 10.00 Partly Cloudy -- 75.0 62.1 64% NA 75.2 29.74 1007.1
09:15 PM CDT S 18.3 G 24.2 10.00 Partly Cloudy -- 75.0 61.9 64% NA 75.2 29.74 1007.1
08:55 PM CDT S 18.3 G 25.3 10.00 Partly Cloudy -- 75.0 61.9 64% NA 75.2 29.74 1007.1
08:35 PM CDT S 13.9 G 19.7 10.00 Partly Cloudy -- 74.8 62.1 64% NA 75.0 29.73 1006.8
08:15 PM CDT S 13.9 G 20.8 10.00 Clear -- 74.3 62.2 66% NA 74.5 29.72 1006.4
07:55 PM CDT S 16.1 10.00 Clear -- 74.7 62.6 66% NA 75.0 29.71 1006.1
07:15 PM CDT S 18.3 10.00 Clear -- 76.5 62.1 61% NA 76.6 29.69 1005.4
06:55 PM CDT S 19.7 10.00 Clear and Windy -- 77.0 62.1 60% NA 77.2 29.70 1005.8
06:35 PM CDT S 18.3 10.00 Clear -- 77.9 61.7 58% NA 78.1 29.71 1006.1
06:15 PM CDT S 19.7 G 32.2 10.00 Partly Cloudy and Windy -- 78.8 61.7 56% NA 79.0 29.72 1006.4
05:55 PM CDT S 21.9 G 27.7 10.00 Partly Cloudy and Windy -- 79.7 62.1 55% NA 79.9 29.71 1006.1
05:35 PM CDT S 21.9 G 33.3 10.00 Partly Cloudy and Windy -- 80.1 62.4 55% NA 81.3 29.73 1006.8
05:15 PM CDT G 34.4 3.00 Haze -- 80.4 61.9 53% NA 81.5 29.71 1006.1
04:55 PM CDT 4.00 NULL -- 81.0 63.5 55% NA 82.4 29.71 1006.1
04:35 PM CDT G 33.3 7.00 Partly Cloudy -- 81.5 63.5 54% NA 82.9 29.75 1007.5
04:15 PM CDT G 31.1 7.00 Partly Cloudy -- 81.1 62.8 54% NA 82.4 29.76 1007.8
03:55 PM CDT G 31.1 7.00 Partly Cloudy -- 81.1 62.8 54% NA 82.4 29.78 1008.5
03:35 PM CDT S 21.9 G 34.4 5.00 Haze -- 81.1 62.8 54% NA 82.4 29.79 1008.8
03:15 PM CDT G 30.0 7.00 Mostly Cloudy -- 80.6 63.3 56% NA 82.0 29.82 1009.8
02:55 PM CDT G 32.2 5.00 Haze -- 81.1 63.7 55% NA 82.6 29.84 1010.5

Regional Weather Observation

RANTOUL (KTIP)

Rain
60.4 F

CHAMPAIGN/URBANA (KCMI)

Light Rain
60.8 F

BLOOMINGTON/NORM (KBMI)

Rain
60.8 F

PONTIAC (KPNT)

Rain
60.3 F

DANVILLE (KDNV)

Mostly Cloudy
NULL F

DECATUR (KDEC)

Rain and Fog/Mist
60.8 F
🔔    Sign-up to receive daily weather forecasts by email or text - subscribe