Washington, IL Hourly Weather Updates

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Washington Weather Map
UTC Time: 9/13/2026, 21:12
Your Time:

Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Washington, IL Regional Weather

Expires:202609132200;;402232
ASUS43 KLOT 132108
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CDT SUN SEP 13 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
  REPORT WEATHER SUCH AS PRECIPITATION OR FOG.


ILZ028>032-037-038-041>044-048-051>054-059>061-132200-
CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    70  48  46 N6        30.12R TC  21           
BLOOMINGTON    MOSUNNY   75  48  38 N14       30.14R TC  24           
DECATUR        PTSUNNY   80  51  36 N14       30.09R HX  80  TC  27   
PEORIA         CLOUDY    70  49  47 VRB7G17   30.14R TC  21           
LACON*         CLOUDY    67  50  54 N7        30.14R TC  20           
LINCOLN*       CLOUDY    77  52  42 N9        30.12R TC  25           
SPRINGFIELD    PTSUNNY   78  51  38 N10       30.10R TC  26           
TAYLORVILLE    NOT AVBL                                               
$$


SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Washington, IL

Tonight
Mostly Cloudy
68°20°
0%
Monday
Sunny
92°/ 72° 33°/ 22°
50%
Tuesday
Thunderstorms
85°/ 65° 29°/ 18°
90%
Wednesday
Thunderstorms
88°/ 70° 31°/ 21°
40%
Thu Night
Thunderstorms
68°20°
N/A
Friday
Thunderstorms
85°/ 65° 29°/ 18°
50%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
50%

Night: Mostly cloudy. Lows in the upper 60s. East winds 10 to 15 mph with gusts up to 25 mph.

Eureka, IL

Afternoon
Rain Showers
75°/ 52° 24°/ 11°
20%
Monday
Sunny
78°/ 68° 26°/ 20°
0%
Tuesday
Rain Showers
90°/ 65° 32°/ 18°
70%
Wednesday
Rain Showers
82°/ 68° 28°/ 20°
70%
Thu Night
Rain Showers
65°18°
30%

Day: Partly sunny with isolated showers. Cooler. Near steady temperature in the mid 70s. North winds 10 to 15 mph. Chance of rain 20 percent.

Night: Mostly cloudy with isolated showers in the evening, then mostly clear after midnight. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Peoria, IL

Afternoon
Rain Showers
75°/ 55° 24°/ 13°
40%
Monday
Sunny
78°/ 68° 26°/ 20°
0%
Tuesday
Rain Showers
88°/ 65° 31°/ 18°
90%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Thu Night
Rain Showers
65°18°
30%
Fri-Fri Night
Rain Showers
82°28°
40%

Day: Partly sunny with scattered showers. Cooler. Near steady temperature in the mid 70s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent.

Night: Mostly cloudy with isolated showers in the evening, then partly cloudy after midnight. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Bloomington, IL

Afternoon
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Monday
Sunny
78°/ 68° 26°/ 20°
0%
Tuesday
Thunderstorms
92°/ 65° 33°/ 18°
70%
Wednesday
Rain Showers
85°/ 68° 29°/ 20°
70%
Thursday
Rain Showers
85°/ 65° 29°/ 18°
50%
Friday
Rain Showers
82°28°
30%

Day: Partly sunny. Near steady temperature in the mid 70s. North winds 10 to 15 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.

Lacon, IL

Afternoon
Rain Showers
75°/ 52° 24°/ 11°
40%
Monday
Sunny
75°/ 68° 24°/ 20°
0%
Tuesday
Rain Showers
88°/ 65° 31°/ 18°
90%
Wed Night
Rain Showers
68°20°
60%
Thursday
Rain Showers
82°/ 65° 28°/ 18°
50%
Fri-Fri Night
Rain Showers
82°28°
40%

Day: Mostly cloudy with scattered showers. Cooler with highs in the mid 70s. Temperature falling into the lower 70s late. North winds around 10 mph with gusts up to 20 mph. Chance of rain 40 percent.

Night: Mostly cloudy with scattered showers in the evening, then mostly clear after midnight. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 30 percent.

Toulon, IL

Afternoon
Rain Showers
75°/ 52° 24°/ 11°
50%
Monday
Sunny
75°/ 68° 24°/ 20°
40%
Tuesday
Rain Showers
85°/ 62° 29°/ 17°
90%
Wed Night
Rain Showers
68°20°
60%
Thursday
Rain Showers
82°/ 65° 28°/ 18°
50%

Day: Mostly cloudy with scattered showers. Cooler with highs in the mid 70s. Temperature falling to around 70 late. North winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Night: Mostly cloudy with isolated showers in the evening, then mostly clear after midnight. Lows in the lower 50s. North winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 20 percent.

Havana, IL

Afternoon
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Monday
Partly Cloudy
80°/ 70° 27°/ 21°
0%
Tuesday
Thunderstorms
92°/ 65° 33°/ 18°
70%
Wednesday
Rain Showers
85°/ 68° 29°/ 20°
70%
Thursday
Rain Showers
85°/ 65° 29°/ 18°
50%
Fri Night
Cloudy
65°18°
0%

Day: Partly sunny. Near steady temperature in the upper 70s. North winds 10 to 15 mph.

Night: Mostly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Canton, IL

Afternoon
Rain Showers
75°/ 55° 24°/ 13°
20%
Monday
Rain Showers
78°/ 70° 26°/ 21°
20%
Tuesday
Rain Showers
88°/ 65° 31°/ 18°
90%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Thursday
Rain Showers
85°/ 65° 29°/ 18°
60%

Day: Partly sunny with isolated showers. Near steady temperature in the mid 70s. North winds 10 to 15 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. Northeast winds 5 to 10 mph.

Lincoln, IL

Afternoon
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Monday
Partly Cloudy
82°/ 68° 28°/ 20°
0%
Tuesday
Thunderstorms
95°/ 68° 35°/ 20°
60%
Wednesday
Rain Showers
88°/ 70° 31°/ 21°
50%
Thursday
Rain Showers
88°/ 68° 31°/ 20°
50%
Fri Night
Cloudy
65°18°
0%

Day: Partly sunny. Near steady temperature in the upper 70s. North winds 10 to 15 mph.

Night: Mostly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Ottawa, IL

Late Afternoon
Rain Showers
50°10°
50%
Monday
Rain Showers
78°/ 68° 26°/ 20°
50%
Tuesday
Thunderstorms
88°/ 65° 31°/ 18°
90%
Wednesday
Thunderstorms
78°/ 68° 26°/ 20°
90%
Thursday
Rain Showers
82°/ 65° 28°/ 18°
50%
Friday
Rain Showers
80°/ 65° 27°/ 18°
50%
Saturday
Rain Showers
82°/ 62° 28°/ 17°
50%

Day: Mostly cloudy. Scattered showers. Temperatures in the mid 60s. North winds 10 to 15 mph. Chance of precipitation 50 percent.

Night: Partly cloudy in the evening then clearing. Scattered showers early in the evening. Patchy fog late. Lows around 50. North winds 5 to 10 mph. Chance of precipitation 40 percent.

Galesburg, IL

Afternoon
Rain Showers
72°/ 55° 22°/ 13°
50%
Monday
Rain Showers
78°/ 68° 26°/ 20°
40%
Tuesday
Rain Showers
85°/ 62° 29°/ 17°
90%
Wed Night-Thu
Rain Showers
68°20°
70%
Thu Night
Rain Showers
65°18°
40%

Day: Mostly cloudy with scattered showers. Cooler. Near steady temperature in the lower 70s. North winds around 10 mph. Chance of rain 50 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. North winds 5 to 10 mph, becoming northeast after midnight.

Hennepin, IL

Afternoon
Rain Showers
75°/ 52° 24°/ 11°
40%
Monday
Sunny
75°/ 68° 24°/ 20°
40%
Tuesday
Rain Showers
88°/ 65° 31°/ 18°
90%
Wednesday
Rain Showers
78°/ 68° 26°/ 20°
90%
Thursday
Rain Showers
82°/ 65° 28°/ 18°
50%
Friday
Rain Showers
80°27°
40%

Day: Partly sunny with a 40 percent chance of showers. Not as warm. Near steady temperature in the mid 70s. North winds 5 to 10 mph.

Night: Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the lower 50s. Northeast winds around 5 mph. Chance of rain 20 percent.

Pontiac, IL

Late Afternoon
Rain Showers
52°11°
40%
Monday
Mostly Cloudy
78°/ 68° 26°/ 20°
0%
Tuesday
Thunderstorms
92°/ 65° 33°/ 18°
70%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Thursday
Rain Showers
85°/ 65° 29°/ 18°
50%
Friday
Rain Showers
82°/ 65° 28°/ 18°
40%
Saturday
Rain Showers
82°/ 62° 28°/ 17°
50%

Day: Mostly cloudy. Scattered showers. North winds 10 to 15 mph. Chance of precipitation 40 percent.

Night: Mostly cloudy in the evening then clearing. Scattered showers early in the evening. Lows in the lower 50s. North winds 5 to 10 mph. Chance of precipitation 40 percent.

Princeton, IL

Afternoon
Rain Showers
72°/ 52° 22°/ 11°
40%
Monday
Sunny
75°/ 68° 24°/ 20°
50%
Tuesday
Rain Showers
85°/ 62° 29°/ 17°
90%
Wednesday
Rain Showers
78°/ 65° 26°/ 18°
90%
Thursday
Rain Showers
80°/ 65° 27°/ 18°
70%
Fri-Fri Night
Rain Showers
78°26°
50%

Day: Mostly cloudy with a 40 percent chance of showers. Not as warm. Near steady temperature in the lower 70s. North winds 5 to 10 mph.

Night: Partly cloudy in the evening, then clearing. Lows in the lower 50s. Northeast winds around 5 mph.

Clinton, IL

Afternoon
Sunny
78°/ 55° 26°/ 13°
0%
Monday
Sunny
80°/ 68° 27°/ 20°
0%
Tuesday
Thunderstorms
92°/ 68° 33°/ 20°
60%
Wednesday
Rain Showers
88°/ 70° 31°/ 21°
50%
Thursday
Rain Showers
88°/ 65° 31°/ 18°
50%

Day: Mostly sunny. Near steady temperature in the upper 70s. North winds 10 to 15 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. Northeast winds 5 to 10 mph.

Petersburg, IL

Afternoon
Sunny
78°/ 58° 26°/ 14°
0%
Monday
Partly Cloudy
82°/ 70° 28°/ 21°
0%
Tuesday
Thunderstorms
95°/ 68° 35°/ 20°
60%
Wednesday
Rain Showers
88°/ 70° 31°/ 21°
50%
Thursday
Rain Showers
88°/ 68° 31°/ 20°
50%
Fri Night
Cloudy
65°18°
0%

Day: Mostly sunny and not as warm. Near steady temperature in the upper 70s. North winds 10 to 15 mph.

Night: Mostly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Geneseo, IL

Afternoon
Rain Showers
72°/ 52° 22°/ 11°
40%
Monday
Partly Cloudy
75°/ 68° 24°/ 20°
50%
Tuesday
Rain Showers
82°/ 62° 28°/ 17°
90%
Wednesday
Rain Showers
78°/ 68° 26°/ 20°
90%
Thu Night
Rain Showers
65°18°
40%
Fri-Fri Night
Rain Showers
78°26°
50%

Day: Partly sunny with a 40 percent chance of showers. Not as warm. Near steady temperature in the lower 70s. North winds 5 to 10 mph.

Night: Partly cloudy. Lows in the lower 50s. Northeast winds around 5 mph.

Springfield, IL

Afternoon
Sunny
80°/ 58° 27°/ 14°
0%
Monday
Partly Cloudy
82°/ 70° 28°/ 21°
0%
Tuesday
Thunderstorms
95°/ 68° 35°/ 20°
50%
Wednesday
Rain Showers
92°/ 72° 33°/ 22°
50%
Thu Night
Cloudy
68°20°
0%
Fri Night
Cloudy
68°20°
0%

Day: Mostly sunny. Near steady temperature around 80. North winds 10 to 15 mph.

Night: Mostly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Decatur, IL

Afternoon
Sunny
80°/ 58° 27°/ 14°
0%
Monday
Sunny
82°/ 68° 28°/ 20°
0%
Tuesday
Thunderstorms
95°/ 68° 35°/ 20°
50%
Wednesday
Rain Showers
90°/ 72° 32°/ 22°
50%
Thu Night
Cloudy
65°18°
0%
Fri Night
Cloudy
65°18°
0%

Day: Mostly sunny. Near steady temperature around 80. North winds 10 to 15 mph.

Night: Mostly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph.

Macomb, IL

Afternoon
Thunderstorms
75°/ 55° 24°/ 13°
50%
Monday
Partly Cloudy
78°/ 70° 26°/ 21°
0%
Tuesday
Rain Showers
88°/ 65° 31°/ 18°
90%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Thursday
Rain Showers
82°/ 65° 28°/ 18°
60%

Day: Partly sunny with a chance of showers with a slight chance of thunderstorms. Not as warm. Near steady temperature in the mid 70s. North winds 5 to 10 mph. Chance of rain 50 percent.

Night: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 30 percent.

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