National Weather Service

News Headlines

March 13, 2026: Damaging Non-Thunderstorm Winds With 60+ MPH Gusts
March 10, 2026: Strong Tornadoes in the Kankakee River Valley and Giant Hail
Spring Seminars and Virtual Spotter Training: Click Here for More Information!
Spring Flood Outlook: Below average to near average flood risk for area river basins

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Unknown Precip Fog/Mist

28°F

-2°C

Humidity	100%
Wind Speed	W 16 G 31 mph
Barometer	29.37 in
Dewpoint	28°F (-2°C)
Visibility	1.50 mi
Wind Chill	16°F (-9°C)
Last update	16 Mar 2:35 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Frankfort IL

Winter Weather Advisory until March 16, 01:00pm

Flood Advisory until March 16, 10:00am

Click here for hazard details and duration

Winter Weather Advisory

Flood Advisory

Winter Weather Advisory until March 16, 01:00pm
Flood Advisory until March 16, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 23 °F
Wintry Mix
Likely and
Patchy
Blowing Snow
Monday
High: 24 °F
Snow and
Patchy
Blowing Snow
Monday Night
Low: 10 °F
Chance Snow
and Patchy
Blowing Snow
Tuesday
High: 24 °F
Mostly Sunny
Tuesday Night
Low: 20 °F
Chance Snow
then Snow
Wednesday
High: 44 °F
Mostly Cloudy
Wednesday Night
Low: 31 °F
Mostly Cloudy
Thursday
High: 54 °F
Mostly Sunny

Detailed Forecast

Overnight

A chance of snow, freezing rain, and sleet before 3am, then snow likely. Patchy blowing snow. Cloudy, with a low around 23. Blustery, with a west northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Total nighttime snow and sleet accumulation of around an inch possible.

Monday

Snow, mainly before 4pm. Patchy blowing snow. High near 24. Blustery, with a west northwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Monday Night

A 30 percent chance of snow, mainly before 7pm. Patchy blowing snow before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 10. Wind chill values as low as -4. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

Tuesday

Mostly sunny, with a high near 24. Wind chill values as low as -5. West northwest wind around 10 mph, with gusts as high as 20 mph.

Tuesday Night

Snow, mainly after 1am. Low around 20. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

Wednesday

Mostly cloudy, with a high near 44.

Wednesday Night

Mostly cloudy, with a low around 31.

Thursday

Mostly sunny, with a high near 54.

Thursday Night

Mostly cloudy, with a low around 35.