Every city on the map carries real forecast data from the same models as its city page, refreshed several times a day. The icon is the day's overall look; the number is the afternoon high.
Next 14 days at a glance
from the model forecast
Hottest day
18°
Sat, Nov 21
Coldest night
-1°
Sat, Nov 14
Days with precip
3 / 14
of 14 forecast days
Nicest day
Wed, Nov 18
mild, dry, light wind
The next 4 weekends
plan ahead
Sat 14 – Sun 15 Nov
11° -1°
5% precip chance
Sat 21 – Sun 22 Nov
18° 11°
53% precip chance
Sat 28 – Sun 29 Nov
15° 6°
typical range
Sat 5 – Sun 6 Dec
9° 1°
typical range
30 days — O'Fallon
14 forecast + 16 climatology
Fri · Today Sunny
7°1°6%⌄
Wind13 mph N
Gusts21 mph
UV index3 – Low
Precip chance6%
Sunrise06:39
Sunset16:48
Sat · Tomorrow Sunny
9°-1°4%⌄
Wind6 mph N
Gusts11 mph
UV index3 – Low
Precip chance4%
Sunrise06:40
Sunset16:47
Sunday 15/11 Sunny
11°0°5%⌄
Wind4 mph NE
Gusts7 mph
UV index4 – Moderate
Precip chance5%
Sunrise06:41
Sunset16:46
Monday 16/11 Sunny
12°1°5%⌄
Wind5 mph SE
Gusts15 mph
UV index4 – Moderate
Precip chance5%
Sunrise06:42
Sunset16:45
Tuesday 17/11 Sunny
13°1°5%⌄
Wind6 mph SE
Gusts11 mph
UV index4 – Moderate
Precip chance5%
Sunrise06:43
Sunset16:45
Wednesday 18/11 Partly cloudy
17°3°8%⌄
Wind11 mph S
Gusts25 mph
UV index5 – Moderate
Precip chance8%
Sunrise06:44
Sunset16:44
Thursday 19/11 Mostly cloudy
16°8°1.5 mm⌄
Wind10 mph S
Gusts24 mph
UV index4 – Moderate
Precip chance64%
Sunrise06:46
Sunset16:43
Friday 20/11 Showers
18°13°6.9 mm⌄
Wind6 mph SE
Gusts17 mph
UV index4 – Moderate
Precip chance86%
Sunrise06:47
Sunset16:43
Saturday 21/11 Showers
18°12°0.5 mm⌄
Wind9 mph S
Gusts23 mph
UV index4 – Moderate
Precip chance49%
Sunrise06:48
Sunset16:42
Sunday 22/11 Mostly cloudy
16°11°0.9 mm⌄
Wind6 mph E
Gusts18 mph
UV index4 – Moderate
Precip chance53%
Sunrise06:49
Sunset16:42
Monday 23/11 Showers
11°6°14.4 mm⌄
Wind7 mph E
Gusts24 mph
UV index4 – Moderate
Precip chance78%
Sunrise06:50
Sunset16:41
Tuesday 24/11 Partly cloudy
6°2°6%⌄
Wind9 mph NW
Gusts23 mph
UV index3 – Moderate
Precip chance6%
Sunrise06:51
Sunset16:41
Wednesday 25/11 Partly cloudy
6°1°0.6 mm⌄
Wind11 mph NW
Gusts25 mph
UV index3 – Moderate
Precip chance36%
Sunrise06:52
Sunset16:40
Thursday 26/11 Partly cloudy
6°1°10%⌄
Wind6 mph NW
Gusts22 mph
UV index3 – Moderate
Precip chance10%
Sunrise06:53
Sunset16:40
Friday 27/11 Rain (climatological)
11°4°3.8 mm⌄
Day≈8–14°
Night≈1–7°
Precip≈2.1 in / November
(climatological)Typical range for these dates · 1991–2020
Saturday 28/11 Partly cloudy (climatological)
14°6°20%⌄
Day≈11–17°
Night≈3–9°
Precip≈2.1 in / November
(climatological)Typical range for these dates · 1991–2020
Sunday 29/11 Partly cloudy (climatological)
15°6°20%⌄
Day≈12–18°
Night≈3–9°
Precip≈2.1 in / November
(climatological)Typical range for these dates · 1991–2020
Monday 30/11 Rain (climatological)
13°5°4.5 mm⌄
Day≈10–16°
Night≈2–8°
Precip≈2.1 in / November
(climatological)Typical range for these dates · 1991–2020
Tuesday 1/12 Partly cloudy (climatological)
5°-1°20%⌄
Day≈2–8°
Night≈-4–2°
Precip≈2.1 in / December
(climatological)Typical range for these dates · 1991–2020
Wednesday 2/12 Partly cloudy (climatological)
5°-1°20%⌄
Day≈2–8°
Night≈-4–2°
Precip≈2.1 in / December
(climatological)Typical range for these dates · 1991–2020
Thursday 3/12 Rain (climatological)
5°-1°2.9 mm⌄
Day≈2–8°
Night≈-4–2°
Precip≈2.1 in / December
(climatological)Typical range for these dates · 1991–2020
Friday 4/12 Partly cloudy (climatological)
6°0°20%⌄
Day≈3–9°
Night≈-3–3°
Precip≈2.1 in / December
(climatological)Typical range for these dates · 1991–2020
Saturday 5/12 Partly cloudy (climatological)
8°1°20%⌄
Day≈5–11°
Night≈-2–4°
Precip≈2.1 in / December
(climatological)Typical range for these dates · 1991–2020
Sunday 6/12 Rain (climatological)
9°1°7.2 mm⌄
Day≈6–12°
Night≈-2–4°
Precip≈2.1 in / December
(climatological)Typical range for these dates · 1991–2020
Monday 7/12 Partly cloudy (climatological)
8°0°20%⌄
Day≈5–11°
Night≈-3–3°
Precip≈2.1 in / December
(climatological)Typical range for these dates · 1991–2020
Tuesday 8/12 Partly cloudy (climatological)
5°-1°20%⌄
Day≈2–8°
Night≈-4–2°
Precip≈2.1 in / December
(climatological)Typical range for these dates · 1991–2020
Wednesday 9/12 Rain (climatological)
5°-1°7.0 mm⌄
Day≈2–8°
Night≈-4–2°
Precip≈2.1 in / December
(climatological)Typical range for these dates · 1991–2020
Thursday 10/12 Partly cloudy (climatological)
5°-2°20%⌄
Day≈2–8°
Night≈-5–2°
Precip≈2.1 in / December
(climatological)Typical range for these dates · 1991–2020
Friday 11/12 Partly cloudy (climatological)
7°0°20%⌄
Day≈4–10°
Night≈-3–3°
Precip≈2.1 in / December
(climatological)Typical range for these dates · 1991–2020
Saturday 12/12 Rain (climatological)
10°2°5.8 mm⌄
Day≈7–13°
Night≈-1–5°
Precip≈2.1 in / December
(climatological)Typical range for these dates · 1991–2020
The month ahead · O'Fallon
Days 1-14 blend the NBM, ECMWF and GFS runs; the rest is the 30-year climate range for these dates.