Grassy Lake, MO Weather Forecast & Current Conditions

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Grassy Lake Weather Map
UTC Time: 10/14/2026, 19:25
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Grassy Lake, MO Regional Weather

Expires:202610142000;;096617
ASUS43 KLSX 141910
RWRMO 

WEATHER SUMMARY FOR MISSOURI
NATIONAL WEATHER SERVICE SPRINGFIELD MO
200 PM CDT WED OCT 14 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
       SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
       CURRENT SKY AND/OR WEATHER CONDITIONS ARE NOT AVAILABLE FOR
       CHILLICOTHE AND FARMINGTON.


MOZ051-052-059>065-142000-
...EAST CENTRAL MISSOURI...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ST LOUIS INTL  PTSUNNY   76  69  79 W3        30.02F                  
SPIRIT OF STL  CLOUDY    76  69  79 W6        30.01S                  
ST CHARLES     CLOUDY    74  68  81 W5        30.01F                  
                   
$$

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

Grassy Lake, MO

Afternoon
Thunderstorms
75°/ 68° 24°/ 20°
70%
Thursday
Thunderstorms
82°/ 48° 28°/ 9°
90%
Friday
Rain Showers
55°/ 40° 13°/ 4°
20%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
70°21°
0%
Sun Night
Cloudy
45°7°
0%
Mon Night
Cloudy
45°7°
0%
Tuesday
Sunny
78°26°
0%

Day: Cloudy with a slight chance of thunderstorms. A slight chance of showers early, then a chance of showers. Much cooler. Near steady temperature in the mid 70s. Northwest winds around 5 mph. Chance of rain 30 percent.

Night: Cloudy. Showers likely with a chance of thunderstorms after midnight. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 70 percent.

Greene County, IL

Afternoon
Rain Showers
75°/ 65° 24°/ 18°
50%
Thursday
Thunderstorms
80°/ 45° 27°/ 7°
100%
Friday
Rain Showers
55°/ 38° 13°/ 3°
20%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
70°/ 42° 21°/ 6°
0%
Monday
Partly Cloudy
72°/ 45° 22°/ 7°
0%
Tuesday
Sunny
78°26°
0%

Day: Cloudy with a 20 percent chance of showers. Much cooler. Near steady temperature in the mid 70s. Northwest winds around 5 mph.

Night: Cloudy. A chance of showers and thunderstorms after midnight. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 50 percent.

Alton, MO

Afternoon
Thunderstorms
75°/ 68° 24°/ 20°
70%
Thursday
Thunderstorms
82°/ 48° 28°/ 9°
90%
Friday
Rain Showers
55°/ 40° 13°/ 4°
20%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
70°21°
0%
Sun Night
Cloudy
45°7°
0%
Mon Night
Cloudy
45°7°
0%
Tuesday
Sunny
78°26°
0%

Day: Cloudy with a slight chance of thunderstorms. A slight chance of showers early, then a chance of showers. Much cooler. Near steady temperature in the mid 70s. Northwest winds around 5 mph. Chance of rain 30 percent.

Night: Cloudy. Showers likely with a chance of thunderstorms after midnight. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 70 percent.

Washington, MO

Afternoon
Thunderstorms
75°/ 65° 24°/ 18°
70%
Thursday
Thunderstorms
82°/ 45° 28°/ 7°
90%
Friday
Mostly Cloudy
55°/ 38° 13°/ 3°
0%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
70°21°
0%
Sun Night
Cloudy
45°7°
0%
Mon Night
Cloudy
45°7°
0%
Tuesday
Sunny
78°26°
0%

Day: Cloudy with a chance of showers with a slight chance of thunderstorms. Much cooler. Near steady temperature in the mid 70s. Northwest winds around 5 mph. Chance of rain 50 percent.

Night: Cloudy. A slight chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the mid 60s. Light and variable winds, becoming east around 5 mph after midnight. Chance of rain 70 percent.

Alton, IL

Afternoon
Thunderstorms
75°/ 68° 24°/ 20°
70%
Thursday
Thunderstorms
82°/ 48° 28°/ 9°
90%
Friday
Rain Showers
55°/ 40° 13°/ 4°
20%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
70°21°
0%
Sun Night
Cloudy
45°7°
0%
Mon Night
Cloudy
45°7°
0%
Tuesday
Sunny
78°26°
0%

Day: Cloudy with a slight chance of thunderstorms. A slight chance of showers early, then a chance of showers. Much cooler. Near steady temperature in the mid 70s. Northwest winds around 5 mph. Chance of rain 30 percent.

Night: Cloudy. Showers likely with a chance of thunderstorms after midnight. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 70 percent.

Jefferson County, MO

Afternoon
Thunderstorms
75°/ 68° 24°/ 20°
70%
Thursday
Thunderstorms
85°/ 48° 29°/ 9°
80%
Friday
Mostly Cloudy
58°/ 38° 14°/ 3°
0%
Saturday
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
70°21°
0%
Sun Night-Mon
Cloudy
42°6°
0%
Mon Night-Tue
Cloudy
48°9°
0%

Day: Cloudy with a chance of showers with a slight chance of thunderstorms. Much cooler. Near steady temperature in the mid 70s. Northwest winds around 5 mph. Chance of rain 40 percent.

Night: Cloudy. A slight chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the upper 60s. Light and variable winds, becoming northeast around 5 mph after midnight. Chance of rain 70 percent.

Monroe County, IL

Afternoon
Thunderstorms
75°/ 68° 24°/ 20°
70%
Thursday
Thunderstorms
85°/ 48° 29°/ 9°
80%
Friday
Mostly Cloudy
58°/ 38° 14°/ 3°
0%
Saturday
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
70°21°
0%
Sun Night-Mon
Cloudy
42°6°
0%
Mon Night-Tue
Cloudy
48°9°
0%

Day: Cloudy with a chance of showers with a slight chance of thunderstorms. Much cooler. Near steady temperature in the mid 70s. Northwest winds around 5 mph. Chance of rain 40 percent.

Night: Cloudy. A slight chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the upper 60s. Light and variable winds, becoming northeast around 5 mph after midnight. Chance of rain 70 percent.

Quincy, IL

Afternoon
Rain Showers
68°/ 62° 20°/ 17°
70%
Thursday
Thunderstorms
75°/ 45° 24°/ 7°
100%
Friday
Rain Showers
55°/ 38° 13°/ 3°
20%
Sat-Sat Night
Clear
60°16°
0%
Sunday
Sunny
68°/ 48° 20°/ 9°
0%
Monday
Partly Cloudy
72°/ 48° 22°/ 9°
0%
Tuesday
Sunny
75°24°
0%

Day: Cloudy. A slight chance of showers early. Much cooler. Near steady temperature in the upper 60s. North winds around 5 mph. Chance of rain 20 percent.

Night: Cloudy. Showers likely with a chance of thunderstorms after midnight. Lows in the lower 60s. Northeast winds around 5 mph. Chance of rain 70 percent.

Winchester, IL

Afternoon
Mostly Cloudy
75°/ 62° 24°/ 17°
50%
Thursday
Thunderstorms
78°/ 45° 26°/ 7°
100%
Friday
Partly Cloudy
58°/ 35° 14°/ 2°
0%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
68°/ 45° 20°/ 7°
0%
Monday
Partly Cloudy
72°/ 45° 22°/ 7°
0%
Tuesday
Sunny
78°26°
0%

Day: Mostly cloudy and much cooler. Near steady temperature in the mid 70s. North winds around 5 mph.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 60s. Northeast winds around 5 mph. Chance of rain 50 percent.

Mexico, MO

Afternoon
Thunderstorms
72°/ 65° 22°/ 18°
90%
Thursday
Thunderstorms
78°/ 45° 26°/ 7°
100%
Friday
Mostly Cloudy
55°/ 38° 13°/ 3°
0%
Saturday
Sunny
60°/ 38° 16°/ 3°
0%
Sunday
Sunny
68°20°
0%
Sun Night-Mon
Mostly Cloudy
45°7°
0%
Mon Night
Cloudy
48°9°
0%
Tuesday
Sunny
78°26°
0%

Day: Cloudy. A slight chance of showers early, then a chance of showers with a slight chance of thunderstorms. Much cooler. Near steady temperature in the lower 70s. North winds around 5 mph. Chance of rain 40 percent.

Night: Cloudy. A slight chance of showers in the evening, then showers with a chance of thunderstorms after midnight. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 90 percent.

Jacksonville, IL

Afternoon
Mostly Cloudy
72°/ 60° 22°/ 16°
50%
Thursday
Thunderstorms
78°/ 45° 26°/ 7°
100%
Friday
Partly Cloudy
58°/ 35° 14°/ 2°
0%
Saturday
Sunny
60°/ 38° 16°/ 3°
0%
Sunday
Sunny
68°/ 45° 20°/ 7°
0%
Monday
Partly Cloudy
72°/ 45° 22°/ 7°
0%
Tuesday
Sunny
78°26°
0%

Day: Mostly cloudy and much cooler. Near steady temperature in the lower 70s. North winds around 5 mph.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows around 60. Northeast winds 5 to 10 mph, becoming east after midnight. Chance of rain 50 percent.

Farmington, MO

Afternoon
Thunderstorms
78°/ 68° 26°/ 20°
70%
Thursday
Thunderstorms
88°/ 48° 31°/ 9°
70%
Friday
Mostly Cloudy
58°/ 38° 14°/ 3°
0%
Saturday
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
70°21°
0%
Sun Night-Mon
Cloudy
42°6°
0%
Mon Night-Tue
Cloudy
48°9°
0%

Day: Cloudy. Showers likely early, then a chance of showers with a slight chance of thunderstorms. Cooler with highs in the upper 70s. West winds around 5 mph. Chance of rain 60 percent.

Night: Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Light and variable winds. Chance of rain 70 percent.

Centralia, IL

Afternoon
Thunderstorms
75°/ 65° 24°/ 18°
50%
Thursday
Thunderstorms
85°/ 52° 29°/ 11°
70%
Friday
Mostly Cloudy
58°/ 40° 14°/ 4°
0%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
68°20°
0%
Sun Night
Cloudy
45°7°
0%
Mon Night
Cloudy
45°7°
0%
Tuesday
Sunny
78°26°
0%

Day: Cloudy with a chance of showers with a slight chance of thunderstorms. Much cooler. Near steady temperature in the mid 70s. Northwest winds around 5 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Light and variable winds, becoming northeast around 5 mph after midnight. Chance of rain 50 percent.

Litchfield, IL

Afternoon
Thunderstorms
75°/ 65° 24°/ 18°
40%
Thursday
Thunderstorms
82°/ 48° 28°/ 9°
90%
Friday
Rain Showers
55°/ 38° 13°/ 3°
20%
Saturday
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
68°/ 42° 20°/ 6°
0%
Monday
Partly Cloudy
72°/ 45° 22°/ 7°
0%

Day: Cloudy with a chance of showers with a slight chance of thunderstorms. Much cooler. Near steady temperature in the mid 70s. Northwest winds around 5 mph. Chance of rain 40 percent.

Night: Cloudy. A chance of showers after midnight. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 40 percent.

Chester, IL

Afternoon
Thunderstorms
75°/ 68° 24°/ 20°
60%
Thursday
Thunderstorms
88°/ 50° 31°/ 10°
70%
Friday
Mostly Cloudy
58°/ 40° 14°/ 4°
0%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
72°22°
0%
Sun Night
Cloudy
45°7°
0%
Mon Night
Cloudy
45°7°
0%
Tuesday
Sunny
78°26°
0%

Day: Cloudy with a chance of showers with a slight chance of thunderstorms. Cooler. Near steady temperature in the mid 70s. Northwest winds around 5 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 60 percent.

Springfield, IL

Afternoon
Rain Showers
75°/ 60° 24°/ 16°
30%
Thursday
Thunderstorms
75°/ 45° 24°/ 7°
100%
Friday
Partly Cloudy
58°/ 35° 14°/ 2°
0%
Saturday
Sunny
60°/ 38° 16°/ 3°
0%
Sunday
Sunny
70°/ 45° 21°/ 7°
0%
Monday
Partly Cloudy
72°/ 48° 22°/ 9°
0%

Day: Mostly cloudy with a 20 percent chance of showers. Much cooler. Near steady temperature in the mid 70s. North winds around 5 mph.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows around 60. Northeast winds 5 to 10 mph. Chance of rain 30 percent.

Vichy, MO

Today
Thunderstorms
75°/ 65° 24°/ 18°
70%
Thursday
Thunderstorms
82°/ 48° 28°/ 9°
70%
Friday
Partly Cloudy
55°/ 38° 13°/ 3°
0%
Saturday
Sunny
60°/ 38° 16°/ 3°
0%
Sunday
Sunny
68°20°
0%
Sun Night
Cloudy
45°7°
0%
Mon Night
Cloudy
45°7°
0%
Tuesday
Sunny
78°26°
0%

Day: Mostly cloudy with a chance of showers. A slight chance of thunderstorms this afternoon. Not as warm. Near steady temperature in the mid 70s. Northwest winds around 5 mph. Chance of rain 40 percent.

Night: Mostly cloudy. A slight chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the mid 60s. East winds around 5 mph. Chance of rain 70 percent.

Beardstown, IL

Afternoon
Mostly Cloudy
72°/ 58° 22°/ 14°
50%
Thursday
Thunderstorms
75°/ 45° 24°/ 7°
100%
Friday
Partly Cloudy
58°/ 35° 14°/ 2°
0%
Saturday
Sunny
58°/ 38° 14°/ 3°
0%
Sunday
Sunny
68°/ 45° 20°/ 7°
0%
Monday
Partly Cloudy
72°/ 48° 22°/ 9°
0%
Tuesday
Sunny
75°24°
0%

Day: Mostly cloudy and much cooler. Near steady temperature in the lower 70s. North winds around 5 mph.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Northwye, MO

Today
Thunderstorms
75°/ 65° 24°/ 18°
70%
Thursday
Thunderstorms
82°/ 48° 28°/ 9°
70%
Friday
Partly Cloudy
58°/ 38° 14°/ 3°
0%
Saturday
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
68°20°
0%
Sun Night
Cloudy
42°6°
0%
Mon Night
Cloudy
42°6°
0%
Tuesday
Sunny
75°24°
0%

Day: Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Not as warm. Near steady temperature in the mid 70s. West winds around 5 mph, becoming northwest this afternoon. Chance of rain 50 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the mid 60s. East winds around 5 mph. Chance of rain 70 percent.

Columbia, MO

Afternoon
Thunderstorms
72°/ 65° 22°/ 18°
90%
Thursday
Thunderstorms
78°/ 45° 26°/ 7°
100%
Friday
Mostly Cloudy
55°/ 38° 13°/ 3°
0%
Saturday
Sunny
62°/ 40° 17°/ 4°
0%
Sunday
Sunny
70°21°
0%
Sun Night-Mon
Mostly Cloudy
48°9°
0%
Mon Night
Cloudy
50°10°
0%
Tuesday
Sunny
78°26°
0%

Day: Cloudy with a chance of showers with a slight chance of thunderstorms. Much cooler. Near steady temperature in the lower 70s. North winds around 5 mph. Chance of rain 40 percent.

Night: Cloudy. A slight chance of showers in the evening, then showers with a chance of thunderstorms after midnight. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 90 percent.

Names listed above may include county names.

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