Normal, IL weather history
Daily weather records for Normal, Illinois, from NOAA's GHCN-Daily network: all-time records, monthly averages, the last 30 days, November 8 through the years, and the biggest rain and snow days.
Normal's weather station has recorded temperatures from −23° (January 20, 1985) to 107° (July 8, 2012) since 1977. It averages 39.45 inches of precipitation a year and 20.4 inches of snow (1991–2020).
Weather station: Normal 4NE (NOAA GHCN-Daily USC00116200), 3.0 miles from the center of Normal, with daily records since 1977. Data through November 4, 2026.
On this date: November 8 in Normal
| Average high / low (1991–2020) | 53° / 33° | |
| Record high | 78° | 1999 |
| Record low | 2° | 1991 |
| Coldest high | 28° | 1991 |
| Warmest low | 57° | 1977 |
| Most precipitation | 0.35″ | 1996 |
| Most snow | 0.1″ | 1998 |
| Chance of 0.01″+ precipitation | 29% | 1991–2020 |
From 49 years of records for November 8.
Notable November 8s: 1999 (record high 78°) · 1991 (record low 2°)
The last 30 days in Normal
1.29 inches of precipitation in the 29 days NCEI has posted so far.
| Date | High | Low | Normal high / low | Precip. | Snow | Snow depth |
|---|---|---|---|---|---|---|
| Nov 6, 2026 | 54° | 42° | 54° / 34° | 0.10″ | 0.0″ | 0″ |
| Nov 5, 2026 | 61° | 50° | 55° / 34° | 0.00″ | 0.0″ | 0″ |
| Nov 4, 2026 | 70° | 60° | 55° / 35° | 0.60″ | 0.0″ | 0″ |
| Nov 3, 2026 | 66° | 55° | 56° / 35° | 0.04″ | 0.0″ | 0″ |
| Nov 2, 2026 | 68° | 54° | 56° / 36° | 0.00″ | 0.0″ | 0″ |
| Nov 1, 2026 | 64° | 50° | 56° / 36° | 0.00″ | 0.0″ | 0″ |
| Oct 31, 2026 | 67° | 40° | 57° / 37° | 0.00″ | 0.0″ | 0″ |
| Oct 30, 2026 | 76° | 40° | 58° / 37° | 0.00″ | 0.0″ | 0″ |
| Oct 29, 2026 | 76° | 55° | 59° / 38° | 0.00″ | 0.0″ | 0″ |
| Oct 28, 2026 | 70° | 48° | 59° / 38° | 0.00″ | 0.0″ | 0″ |
| Oct 27, 2026 | 78° | 48° | 60° / 38° | 0.00″ | 0.0″ | 0″ |
| Oct 26, 2026 | 78° | 48° | 60° / 39° | 0.00″ | 0.0″ | 0″ |
| Oct 25, 2026 | 75° | 45° | 61° / 39° | 0.00″ | 0.0″ | 0″ |
| Oct 24, 2026 | 78° | 44° | 61° / 40° | 0.00″ | 0.0″ | 0″ |
| Oct 23, 2026 | 77° | 40° | 61° / 40° | 0.00″ | 0.0″ | 0″ |
| Oct 22, 2026 | 75° | 39° | 62° / 40° | 0.00″ | 0.0″ | 0″ |
| Oct 21, 2026 | 74° | 38° | 63° / 41° | 0.00″ | 0.0″ | 0″ |
| Oct 20, 2026 | 72° | 36° | 63° / 41° | 0.00″ | 0.0″ | 0″ |
| Oct 19, 2026 | 64° | 37° | 64° / 41° | 0.00″ | 0.0″ | 0″ |
| Oct 18, 2026 | 59° | 34° | 65° / 41° | 0.00″ | 0.0″ | 0″ |
| Oct 17, 2026 | 56° | 35° | 65° / 42° | 0.00″ | 0.0″ | 0″ |
| Oct 16, 2026 | 72° | 49° | 66° / 42° | 0.23″ | 0.0″ | 0″ |
| Oct 15, 2026 | 74° | 59° | 66° / 42° | 0.05″ | 0.0″ | 0″ |
| Oct 14, 2026 | 89° | 65° | 67° / 43° | 0.22″ | 0.0″ | 0″ |
| Oct 13, 2026 | 90° | 62° | 67° / 43° | 0.00″ | 0.0″ | 0″ |
| Oct 12, 2026 | 85° | 48° | 68° / 43° | 0.00″ | 0.0″ | 0″ |
| Oct 11, 2026 | 80° | 49° | 68° / 44° | 0.00″ | 0.0″ | 0″ |
| Oct 10, 2026 | 83° | 53° | 69° / 44° | 0.05″ | 0.0″ | 0″ |
| Oct 9, 2026 | 77° | 46° | 69° / 45° | 0.00″ | 0.0″ | 0″ |
Recent days are preliminary; stations report with a lag of a day or more, and some days may be missing.
All-time records in Normal
| Record | Value | When |
|---|---|---|
| Hottest day | 107° | July 8, 2012 |
| Coldest day | −23° | January 20, 1985 |
| Wettest day | 5.63″ | July 10, 2003 |
| Snowiest day | 12.0″ | February 2, 2011 |
| Deepest snow on the ground | 21″ | February 10, 1979 |
| Wettest month | 13.74″ | July 1992 |
| Driest month | 0.12″ | January 1986 |
| Snowiest month | 24.6″ | January 1979 |
| Warmest month (average) | 82° | July 2012 |
| Coldest month (average) | 13° | January 1979 |
| Wettest year | 63.35″ | 1993 |
| Driest year | 23.21″ | 1988 |
| Snowiest season (July–June) | 51.5″ | 2013–14 season |
| Warmest year (average) | 55° | 1987 |
| Coldest year (average) | 48° | 2014 |
Months and years count only when the station reported nearly every day of them.
Monthly averages in Normal (1991–2020)
| Month | Average high | Average low | Precipitation | Snow |
|---|---|---|---|---|
| January | 33° | 16° | 2.44″ | 6.7″ |
| February | 39° | 19° | 2.00″ | 5.6″ |
| March | 50° | 28° | 2.63″ | 2.4″ |
| April | 63° | 39° | 3.79″ | 0.5″ |
| May | 74° | 51° | 4.66″ | 0.0″ |
| June | 83° | 60° | 4.19″ | 0.0″ |
| July | 86° | 64° | 4.06″ | 0.0″ |
| August | 84° | 61° | 3.84″ | 0.0″ |
| September | 78° | 53° | 3.22″ | 0.0″ |
| October | 66° | 42° | 3.50″ | 0.0″ |
| November | 50° | 31° | 2.81″ | 0.8″ |
| December | 38° | 22° | 2.31″ | 4.4″ |
| Year | 62° | 41° | 39.45″ | 20.4″ |
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA NCEI GHCN-Daily station records.
Biggest rain days in Normal
| Precipitation | Date |
|---|---|
| 5.63″ | July 10, 2003 |
| 5.21″ | September 20, 1986 |
| 4.83″ | August 6, 1977 |
| 3.88″ | September 2, 2012 |
| 3.70″ | July 8, 1992 |
| 3.53″ | October 3, 1986 |
| 3.50″ | June 2, 1980 |
| 3.42″ | September 19, 2022 |
| 3.37″ | June 18, 2017 |
| 3.35″ | July 9, 2025 |
Biggest snow days in Normal
| Snow | Date |
|---|---|
| 12.0″ | February 2, 2011 |
| 12.0″ | January 2, 1999 |
| 7.5″ | January 13, 1979 |
| 7.0″ | December 14, 2013 |
| 7.0″ | February 1, 2008 |
| 6.9″ | January 13, 2019 |
| 6.5″ | February 18, 2022 |
| 6.5″ | January 19, 1987 |
| 6.0″ | February 16, 2021 |
| 6.0″ | March 25, 2013 |
Notable days in Normal in the last year
- October 27, 2026: record high 78°
- October 14, 2026: record high 89°
- October 13, 2026: record high 90°
- October 12, 2026: record high 85°
- October 2, 2026: 1.22″ precipitation
- September 18, 2026: record high 93°
- September 16, 2026: record high 99°, 1.57″ precipitation
- September 6, 2026: record high 95°
- September 5, 2026: record high 99°
- September 4, 2026: record high 98°
- August 15, 2026: 2.30″ precipitation
- August 14, 2026: 2.00″ precipitation
- August 13, 2026: storm reports nearby
- August 2, 2026: 2.00″ precipitation
- July 24, 2026: record low 49°
- July 23, 2026: record low 49°
- June 18, 2026: 1.72″ precipitation
- June 11, 2026: 2.85″ precipitation
- June 10, 2026: storm reports nearby
- June 7, 2026: record high 94°
- April 28, 2026: 1.48″ precipitation
- April 17, 2026: storm reports nearby
- April 14, 2026: record high 85°
- April 1, 2026: 1.67″ precipitation
- March 31, 2026: record high 82°
More for Normal: hail history · snow and rain totals · Illinois weather history
Source: NOAA National Centers for Environmental Information (NCEI), Global Historical Climatology Network – Daily (GHCN-Daily): Menne, M.J., I. Durre, B. Korzeniewski, S. McNeill, K. Thomas, X. Yin, S. Anthony, R. Ray, R.S. Vose, B.E. Gleason, and T.G. Houston (2012), Global Historical Climatology Network – Daily, Version 3, doi:10.7289/V5D21VHZ. Recent days come from NCEI's data access service and can change as NCEI quality-checks them. Values NCEI flagged as failing a quality check are left out. Averages are for the station's normals period (1991–2020 where it has 20+ years of it), pooled over the 15 days around each date. Storm reports: NOAA Storm Prediction Center.