Pittsburg, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 80°F 27°C Heat Index: 85°F	Observed at: Pittsburg, IL	Elevation: 451 ft | 137 m
	Last Updated: July 16, 10:15 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 80°F | 27°C
	Pressure: 29.55 in | 1000.6 mb	Dewpoint: 74°F | 23°C
	Humidity: 83%	Wind: SSW 3 mph | SSW 5 kph
	Feels Like: 89°F | 32°C	Visibility: 34.5 mi | 55.4 km
	Lat/Long: 37.7769 | -88.8494	Sunrise: 5:46 AM   Sunset: 8:16 PM

7 Day Graphical Forecast

Valid: 10:23 PM 7/16/2026

Tonight Overcast 71 °F 21% Chance Precipitation Friday Overcast 90 |74 °F 14% Chance Precipitation Saturday Overcast 91 |74 °F 31% Chance Precipitation Sunday Thunderstorm 93 |73 °F 43% Chance Precipitation Monday Showers 93 |71 °F 9% Chance Precipitation Tuesday Overcast 100 |73 °F 11% Chance Precipitation Wednesday Overcast 76 |61 °F 4% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:23 PM 7/16/2026

10 PM Clear 80 °F 4% Chance Precipitation

11 PM Clear 79 °F 3% Chance Precipitation

12 AM Clear 78 °F 3% Chance Precipitation

1 AM Clear 77 °F 3% Chance Precipitation

2 AM Clear 77 °F 2% Chance Precipitation

3 AM Clear 76 °F 3% Chance Precipitation

4 AM Clear 75 °F 3% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Pittsburg, IL - (Fahrenheit & Celsius) Valid: 10:23 PM 7/16/2026 Tonight Overcast with a low around 71°F [22°C]. SSW wind to around 8 mph [13 kph], with gusts to near 11 mph [17 kph]. Chance of precipitation 21% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 90°F [32°C]. W wind to around 9 mph [15 kph], with gusts to near 14 mph [22 kph]. Dewpoint near 74°F [23°C] with humidity of 96%. Pressure around 29.55 in [1000.6 mb]. UV Index: 7.75. Chance of precipitation 14% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 74°F [24°C]. W wind to around 9 mph [15 kph], with gusts to near 14 mph [22 kph]. Chance of precipitation 14% with QPF of 0.00 in [0.0 mm]. Saturday Overcast with a high near 91°F [33°C]. WSW wind to around 13 mph [20 kph], with gusts to near 20 mph [32 kph]. Dewpoint near 74°F [23°C] with humidity of 84%. Pressure around 29.55 in [1000.6 mb]. UV Index: 7.8. Chance of precipitation 31% with QPF of 0.00 in [0.0 mm]. Saturday Night Overcast with a low around 74°F [23°C]. WSW wind to around 13 mph [20 kph], with gusts to near 20 mph [32 kph]. Chance of precipitation 31% with QPF of 0.00 in [0.0 mm]. Sunday Thunderstorm with a high near 93°F [34°C]. NNW wind to around 10 mph [16 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 74°F [23°C] with humidity of 94%. Pressure around 29.55 in [1000.6 mb]. UV Index: 7.8. Chance of precipitation 43% with QPF of 0.14 in [3.5 mm]. Sunday Night Thunderstorm with a low around 73°F [23°C]. NNW wind to around 10 mph [16 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 43% with QPF of 0.14 in [3.5 mm]. Monday Showers with a high near 93°F [34°C]. S wind to around 7 mph [12 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 74°F [23°C] with humidity of 96%. Pressure around 29.55 in [1000.6 mb]. UV Index: 7.7. Chance of precipitation 9% with QPF of 0.31 in [7.9 mm]. Monday Night Showers with a low around 71°F [22°C]. S wind to around 7 mph [12 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 9% with QPF of 0.31 in [7.9 mm]. Tuesday Overcast with a high near 100°F [38°C]. WSW wind to around 16 mph [26 kph], with gusts to near 28 mph [44 kph]. Dewpoint near 74°F [23°C] with humidity of 85%. Pressure around 29.55 in [1000.6 mb]. UV Index: 7.45. Chance of precipitation 11% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 73°F [23°C]. WSW wind to around 16 mph [26 kph], with gusts to near 28 mph [44 kph]. Chance of precipitation 11% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 76°F [24°C]. NNE wind to around 12 mph [20 kph], with gusts to near 25 mph [41 kph]. Dewpoint near 74°F [23°C] with humidity of 87%. Pressure around 29.55 in [1000.6 mb]. UV Index: 7.25. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 61°F [16°C]. NNE wind to around 12 mph [20 kph], with gusts to near 25 mph [41 kph]. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Pittsburg, IL

Tonight: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 3.5 mm | 0.14 in

Sunday Night: 3.5 mm | 0.14 in

Monday: 7.9 mm | 0.31 in

Monday Night: 7.9 mm | 0.31 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Pittsburg, IL

Tonight: SSW @ 13 kph | 8 mph

Friday: W @ 15 kph | 9 mph

Friday Night: W @ 15 kph | 9 mph

Saturday: WSW @ 20 kph | 13 mph

Saturday Night: WSW @ 20 kph | 13 mph

Sunday: NNW @ 16 kph | 10 mph

Sunday Night: NNW @ 16 kph | 10 mph

Monday: S @ 12 kph | 7 mph

Monday Night: S @ 12 kph | 7 mph

Tuesday: WSW @ 26 kph | 16 mph

Tuesday Night: WSW @ 26 kph | 16 mph

Wednesday: NNE @ 20 kph | 12 mph

Wednesday Night: NNE @ 20 kph | 12 mph

7 Day and Night - Maximum Humidity Forecast for Pittsburg, IL

Tonight: 98 %

Friday: 96 %

Friday Night: 96 %

Saturday: 84 %

Saturday Night: 84 %

Sunday: 94 %

Sunday Night: 94 %

Monday: 96 %

Monday Night: 96 %

Tuesday: 85 %

Tuesday Night: 85 %

Wednesday: 87 %

Wednesday Night: 87 %

7 Day and Night - Snowfall Totals Forecast for Pittsburg, IL

Tonight: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

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