LA SALLE, IL 61301 Weather Forecast & Current Conditions
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  61301 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

PERU, IL
Current Weather
11:50 PM CDT MAR 31, 2026
Scattered Clouds
NA
Feels Like: NA
Dewpoint: NA
Rel. Hum.: NA%
Visibility: 10 miles
Wind: ENE at 9 mph
Pressure: 30.03 inches
Last 72 hours

Local Area Snow Depth

Illinois Current Weather

Illinois MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  61301 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

LA SALLE, IL 61301
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Cloudy. A chance of showers. Lows in the upper 30s. Northeast winds 10 to 15 mph. Gusts up to 25 mph after midnight. Chance of precipitation 50 percent.
WEDNESDAY
Mostly cloudy. A chance of showers in the morning, then a slight chance of showers early in the afternoon. A chance of showers with a slight chance of thunderstorms late. Highs in the upper 40s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 50 percent.
WEDNESDAY NIGHT
Showers with a chance of thunderstorms. Lows in the mid 40s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 90 percent.
THURSDAY
A slight chance of thunderstorms in the morning. Showers. A chance of thunderstorms in the afternoon. Windy with highs in the mid 70s. South winds 15 to 25 mph with gusts up to 30 mph, increasing to 20 to 30 mph with gusts up to 40 mph in the afternoon. Chance of precipitation near 100 percent.
THURSDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Breezy with lows in the upper 40s. Southwest winds 15 to 25 mph with gusts up to 35 mph, becoming west 10 to 15 mph with gusts up to 25 mph after midnight. Chance of precipitation 50 percent.
FRIDAY
Partly cloudy in the morning, then mostly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 40 percent.
FRIDAY NIGHT
Showers with a chance of thunderstorms. Lows around 50. Chance of precipitation 90 percent.
SATURDAY
Mostly cloudy with a chance of showers. Breezy with highs in the lower 60s. Chance of precipitation 50 percent.
SATURDAY NIGHT
Mostly cloudy and breezy. Lows in the lower 30s.
SUNDAY
Mostly cloudy in the morning, then becoming partly cloudy. Breezy with highs in the lower 50s.
SUNDAY NIGHT
Mostly clear. Lows in the lower 30s.
MONDAY
Mostly sunny. Highs in the upper 50s.
MONDAY NIGHT
Partly cloudy. Lows in the upper 30s.

  61301 WEATHER SATELLITE LOOPS
Visible Weather Satellite
LA SALLE, IL 61301
Infrared Weather Satellite
LA SALLE, IL 61301
  61301 WEATHER RADAR LOOP
NEXRAD Weather Radar
LA SALLE, IL 61301
 MOS COMPUTER WEATHER FORECAST

PERU, IL 3 hourly weather forecast
weather forecast created  6:00 PM CST  3/31/2026
Wednesday
1 APR 2026		 LA SALLE, IL 61301 weather forecast Day 1, 0 hours 12 AM 49° 44° Mostly Cloudy 39%
RAIN
.1–.25 in		 0% Thunder
( 8% severe)		 ENE   12 83% 44°
Low 39° LA SALLE, IL 61301 weather forecast Day 1, 3 hours 3 AM 43° 36° Mostly Cloudy NE   15 82% 38°
High 49° LA SALLE, IL 61301 weather forecast Day 1, 6 hours 6 AM 40° 31° Mostly Cloudy 41%
RAIN
.1–.25 in		 0% Thunder
( 5% severe)		 NE   16 82% 35°

Mostly Cloudy

Chance of Rain


Breezy		 LA SALLE, IL 61301 weather forecast Day 1, 9 hours 9 AM 41° 33° Mostly Cloudy ENE   16 79% 35°
LA SALLE, IL 61301 weather forecast Day 1, 12 hours 12 PM 45° 38° Mostly Cloudy 38%
RAIN
.01–.1 in		 0% Thunder
( 5% severe)		 ENE   17 73% 37°
LA SALLE, IL 61301 weather forecast Day 1, 15 hours 3 PM 45° 38° Mostly Cloudy ENE   16 73% 37°
LA SALLE, IL 61301 weather forecast Day 1, 18 hours 6 PM 44° 37° Mostly Cloudy 78%
RAIN
***		 0% Thunder
( 16% severe)		 E   16 76% 37°
LA SALLE, IL 61301 weather forecast Day 1, 21 hours 9 PM 45° 38° Mostly Cloudy E   15 82% 40°
Thursday
2 APR 2026		 LA SALLE, IL 61301 weather forecast Day 2, 0 hours 12 AM 45° 39° Mostly Cloudy 75%
RAIN
***		 0% Thunder
( 27% severe)		 E   14 89% 42°
Low 44° LA SALLE, IL 61301 weather forecast Day 2, 3 hours 3 AM 47° 41° Mostly Cloudy ESE   14 93% 45°
High 74° LA SALLE, IL 61301 weather forecast Day 2, 6 hours 6 AM 51° 46° Mostly Cloudy 78%
RAIN
***		 0% Thunder
( 27% severe)		 SE   15 96% 50°

Mostly Cloudy

Rain


Windy		 LA SALLE, IL 61301 weather forecast Day 2, 9 hours 9 AM 64° 62° Mostly Cloudy S   20 84% 59°
LA SALLE, IL 61301 weather forecast Day 2, 12 hours 12 PM 70° 70° Mostly Cloudy 95%
RAIN
***		 0% Thunder
( 35% severe)		 S   24 76% 62°
LA SALLE, IL 61301 weather forecast Day 2, 15 hours 3 PM 70° 70° Mostly Cloudy S   24 71% 60°
LA SALLE, IL 61301 weather forecast Day 2, 18 hours 6 PM 67° 67° Mostly Cloudy 56%
RAIN
1–2 in		 0% Thunder
( 28% severe)		 SSW   21 73% 58°
LA SALLE, IL 61301 weather forecast Day 2, 21 hours 9 PM 62° 60° Partly Cloudy SW   17 84% 57°

PERU, IL extended weather forecast
BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE
Low 50° Low 47° Low 50° Low 32° Low 34°
High 71° High 66° High 56° High 50° High 55°
LA SALLE, IL 61301 weather forecast Day 3 LA SALLE, IL 61301 weather forecast Day 4 LA SALLE, IL 61301 weather forecast Day 5 LA SALLE, IL 61301 weather forecast Day 6 LA SALLE, IL 61301 weather forecast Day 7
Overcast
92% Rain		 Mostly Cloudy
41% Rain		 Overcast
84% Rain		 Mostly Cloudy
18% Rain/Snow		 Partly Cloudy
14% Rain
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