Olmsted, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Mostly Clear 89°F 32°C Heat Index: 103°F	Observed at: Olmsted, IL	Elevation: 373 ft | 114 m
	Last Updated: July 27, 7:15 PM Timezone: GMT -5/-4
	Sky Conditions: Mostly Clear	Temperature: 89°F | 32°C
	Pressure: 29.44 in | 996.9 mb	Dewpoint: 78°F | 26°C
	Humidity: 70%	Wind: SW 8 mph | SW 13 kph
	Feels Like: 98°F | 37°C	Visibility: 47.7 mi | 76.8 km
	Lat/Long: 37.1806 | -89.0889	Sunrise: 5:57 AM   Sunset: 8:08 PM

7 Day Graphical Forecast

Valid: 6:49 AM 7/29/2026

Today Overcast 93 |69 °F 34 |21 °C 8% Chance Precipitation Tuesday Overcast 96 |79 °F 35 |26 °C 7% Chance Precipitation Wednesday Overcast 87 |71 °F 31 |21 °C 4% Chance Precipitation Thursday Overcast 85 |63 °F 29 |17 °C 0% Chance Precipitation Friday Showers 74 |67 °F 23 |20 °C 37% Chance Precipitation Saturday Light Showers 80 |66 °F 27 |19 °C 50% Chance Precipitation Sunday Clear 84 |64 °F 29 |18 °C 30% Chance Precipitation

7 Hour Graphical Forecast

Valid: 6:49 AM 7/29/2026

6 AM Clear 71 °F 3% Chance Precipitation

7 AM Clear 71 °F 1% Chance Precipitation

8 AM Clear 72 °F 0% Chance Precipitation

9 AM Clear 74 °F 0% Chance Precipitation

10 AM Clear 77 °F 0% Chance Precipitation

11 AM Clear 80 °F 0% Chance Precipitation

12 PM Clear 83 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Olmsted, IL - (Fahrenheit & Celsius) Valid: 6:49 AM 7/29/2026 Today Overcast with a high near 93°F [34°C]. SW wind to around 11 mph [18 kph], with gusts to near 20 mph [31 kph]. Dewpoint near 78°F [26°C] with humidity of 95%. Pressure around 29.44 in [996.9 mb]. UV Index: 7.8. Chance of precipitation 8% with QPF of 0.00 in [0.0 mm]. Tonight Overcast with a low around 69°F [21°C]. SW wind to around 11 mph [18 kph], with gusts to near 20 mph [31 kph]. Chance of precipitation 8% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 96°F [35°C]. NW wind to around 11 mph [17 kph], with gusts to near 25 mph [40 kph]. Dewpoint near 78°F [26°C] with humidity of 80%. Pressure around 29.44 in [996.9 mb]. UV Index: 7.6. Chance of precipitation 7% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 79°F [26°C]. NW wind to around 11 mph [17 kph], with gusts to near 25 mph [40 kph]. Chance of precipitation 7% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 87°F [31°C]. NE wind to around 11 mph [17 kph], with gusts to near 22 mph [35 kph]. Dewpoint near 78°F [26°C] with humidity of 85%. Pressure around 29.44 in [996.9 mb]. UV Index: 7.75. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 71°F [21°C]. NE wind to around 11 mph [17 kph], with gusts to near 22 mph [35 kph]. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 85°F [29°C]. E wind to around 7 mph [12 kph], with gusts to near 15 mph [23 kph]. Dewpoint near 78°F [26°C] with humidity of 89%. Pressure around 29.44 in [996.9 mb]. UV Index: 7.55. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 63°F [17°C]. E wind to around 7 mph [12 kph], with gusts to near 15 mph [23 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Showers with a high near 74°F [23°C]. SSE wind to around 12 mph [19 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 78°F [26°C] with humidity of 97%. Pressure around 29.44 in [996.9 mb]. UV Index: 4.3. Chance of precipitation 37% with QPF of 0.51 in [12.9 mm]. Friday Night Showers with a low around 67°F [20°C]. SSE wind to around 12 mph [19 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 37% with QPF of 0.51 in [12.9 mm]. Saturday Light Showers with a high near 80°F [27°C]. NE wind to around 13 mph [22 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 78°F [26°C] with humidity of 98%. Pressure around 29.44 in [996.9 mb]. UV Index: 5.45. Chance of precipitation 50% with QPF of 0.39 in [9.8 mm]. Saturday Night Light Showers with a low around 66°F [19°C]. NE wind to around 13 mph [22 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 50% with QPF of 0.39 in [9.8 mm]. Sunday Clear with a high near 84°F [29°C]. NNE wind to around 13 mph [21 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 78°F [26°C] with humidity of 98%. Pressure around 29.44 in [996.9 mb]. UV Index: 7.5. Chance of precipitation 30% with QPF of 0.00 in [0.0 mm]. Sunday Night Clear with a low around 64°F [18°C]. NNE wind to around 13 mph [21 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 30% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Olmsted, IL

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 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

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 12.9 mm | 0.51 in

Friday Night: 12.9 mm | 0.51 in

Saturday: 9.8 mm | 0.39 in

Saturday Night: 9.8 mm | 0.39 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

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

Today: SW @ 18 kph | 11 mph

Tonight: SW @ 18 kph | 11 mph

Tuesday: NW @ 17 kph | 11 mph

Tuesday Night: NW @ 17 kph | 11 mph

Wednesday: NE @ 17 kph | 11 mph

Wednesday Night: NE @ 17 kph | 11 mph

Thursday: E @ 12 kph | 7 mph

Thursday Night: E @ 12 kph | 7 mph

Friday: SSE @ 19 kph | 12 mph

Friday Night: SSE @ 19 kph | 12 mph

Saturday: NE @ 22 kph | 13 mph

Saturday Night: NE @ 22 kph | 13 mph

Sunday: NNE @ 21 kph | 13 mph

Sunday Night: NNE @ 21 kph | 13 mph

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

Today: 95 %

Tonight: 95 %

Tuesday: 80 %

Tuesday Night: 80 %

Wednesday: 85 %

Wednesday Night: 85 %

Thursday: 89 %

Thursday Night: 89 %

Friday: 97 %

Friday Night: 97 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 98 %

Sunday Night: 98 %

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

Today: 0.0 cm | 0.00 in

Tonight: 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

Thursday: 0.0 cm | 0.00 in

Thursday Night: 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

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