Weather Alert
Mastodon Lake Weather Warning NWS WEATHER ALERT FOR THE MASTODON LAKE, IL AREA - Issued: 208 AM CDT Wed Aug 19 2026 Mastodon Lake Weather Warning

World > North America > United States > Illinois > Mastodon Lake  

Mastodon Lake, IL Weather - Hour by Hour Forecast

Feedback E-mail the Weather

Quick Clicks

Mastodon Lake, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mist. Temperature is 66°F19°C, dew point 65°F18°C, humidity 96%. Wind direction is N at 0 mph0 km/h with visibility of 4 mi6 km. Barometric pressure is 29.95 in1014 mb.
Morning - Mostly cloudy. Areas of fog. Temperatures in the mid 60s. Northwest winds around 5 mph... Full Forecast
Today - Mostly cloudy. Areas of fog early in the morning. A slight chance of showers in the afternoon. Highs in the upper 70s. North winds.. Full Forecast

Mastodon Lake Hourly Weather

24 Hour Forecast Scroll
Wed, Aug 19
8:00 am
Wed, Aug 19
9:00 am
Wed, Aug 19
10:00 am
Wed, Aug 19
11:00 am
Wed, Aug 19
Noon
Wed, Aug 19
1:00 pm
Wed, Aug 19
2:00 pm
Wed, Aug 19
3:00 pm
Wed, Aug 19
4:00 pm
Wed, Aug 19
5:00 pm
Wed, Aug 19
6:00 pm
Wed, Aug 19
7:00 pm
Wed, Aug 19
8:00 pm
Wed, Aug 19
9:00 pm
Wed, Aug 19
10:00 pm
Wed, Aug 19
11:00 pm
Thu, Aug 20
Midnight
Thu, Aug 20
1:00 am
Thu, Aug 20
2:00 am
Thu, Aug 20
3:00 am
Thu, Aug 20
4:00 am
Thu, Aug 20
5:00 am
Thu, Aug 20
6:00 am
Thu, Aug 20
7:00 am
Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 8:00 AM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 9:00 AM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 10:00 AM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 11:00 AM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 12:00 PM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 1:00 PM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 2:00 PM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 3:00 PM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 4:00 PM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 5:00 PM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 6:00 PM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 7:00 PM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 8:00 PM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 9:00 PM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 10:00 PM Mastodon Lake, IL Hourly Weather - Mostly Cloudy - 11:00 PM Mastodon Lake, IL Hourly Weather - Partly Cloudy - 12:00 AM Mastodon Lake, IL Hourly Weather - Partly Cloudy - 1:00 AM Mastodon Lake, IL Hourly Weather - Partly Cloudy - 2:00 AM Mastodon Lake, IL Hourly Weather - Clear - 3:00 AM Mastodon Lake, IL Hourly Weather - Clear - 4:00 AM Mastodon Lake, IL Hourly Weather - Clear - 5:00 AM Mastodon Lake, IL Hourly Weather - Clear - 6:00 AM Mastodon Lake, IL Hourly Weather - Clear - 7:00 AM
Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Clear Clear Clear Clear Clear
67°F19°C 71°F22°C 74°F23°C 75°F24°C 77°F25°C 78°F26°C 78°F26°C 79°F26°C 79°F26°C 78°F26°C 76°F24°C 75°F24°C 72°F22°C 69°F21°C 66°F19°C 64°F18°C 62°F17°C 60°F16°C 59°F15°C 57°F14°C 56°F13°C 56°F13°C 57°F14°C 57°F14°C
- - - - - - - - - - - - - - - - - - - - - - - -
16% 16% 16% 16% 16% 16% 20% 20% 20% 20% 20% 20% 7% 7% 7% 7% 7% 7% 3% 3% 3% 3% 3% 3%
65°F18°C 65°F18°C 66°F19°C 66°F19°C 66°F19°C 66°F19°C 66°F19°C 65°F18°C 65°F18°C 65°F18°C 64°F18°C 64°F18°C 63°F17°C 63°F17°C 62°F17°C 61°F16°C 60°F16°C 59°F15°C 58°F14°C 57°F14°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C
93% 81% 76% 74% 69% 67% 67% 62% 62% 64% 66% 69% 73% 81% 87% 90% 93% 96% 96% 100% 100% 100% 96% 96%
SSW SSE NE NE NE NNE SE SSW N SSW SE N NNE NNE NE NE NE NE SE SSW N SSW SE N
1 mph 2 mph 2 mph 2 mph 4 mph 4 mph 4 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 4 mph 4 mph 4 mph 2 mph 2 mph 2 mph 1 mph 1 mph 1 mph 2 mph 2 mph
6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KARR model statistics.

Trending Headlines

Trending Entertainment Headlines

Mastodon Lake Radar Loop

Use the map search tool if you want to place a location marker on the radar map...
Prob Precip % = Probability of Precipitation.

Mastodon Lake 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

E-mail the Mastodon Lake Weather Forecast

Voice your opinion or tell us about page issues...

Mastodon Lake IL Weather - 9:02 am

What are people saying?

Contact Us