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
67°
Sat, Nov 21
Coldest night
31°
Sat, Nov 14
Days with precip
1 / 14
of 14 forecast days
Nicest day
Sat, Nov 21
mild, dry, light wind
The next 4 weekends
plan ahead
Sat 14 – Sun 15 Nov
51° 31°
6% precip chance
Sat 21 – Sun 22 Nov
67° 51°
48% precip chance
Sat 28 – Sun 29 Nov
59° 44°
typical range
Sat 5 – Sun 6 Dec
51° 36°
typical range
30 days — O'Fallon
14 forecast + 16 climatology
Thu · Today Partly cloudy
50°39°8%⌄
Wind15 mph NW
Gusts26 mph
UV index2 – Low
Precip chance8%
Sunrise06:42
Sunset16:51
Fri · Tomorrow Partly cloudy
44°36°7%⌄
Wind11 mph N
Gusts21 mph
UV index3 – Low
Precip chance7%
Sunrise06:43
Sunset16:50
Saturday 14/11 Sunny
47°31°4%⌄
Wind5 mph N
Gusts9 mph
UV index3 – Low
Precip chance4%
Sunrise06:44
Sunset16:50
Sunday 15/11 Sunny
51°33°6%⌄
Wind3 mph E
Gusts6 mph
UV index3 – Moderate
Precip chance6%
Sunrise06:45
Sunset16:49
Monday 16/11 Sunny
54°35°4%⌄
Wind5 mph SE
Gusts10 mph
UV index4 – Moderate
Precip chance4%
Sunrise06:46
Sunset16:48
Tuesday 17/11 Sunny
56°36°5%⌄
Wind6 mph S
Gusts20 mph
UV index4 – Moderate
Precip chance5%
Sunrise06:47
Sunset16:47
Wednesday 18/11 Mostly cloudy
58°38°8%⌄
Wind8 mph S
Gusts20 mph
UV index4 – Moderate
Precip chance8%
Sunrise06:48
Sunset16:47
Thursday 19/11 Mostly cloudy
61°47°0.9 mm⌄
Wind8 mph S
Gusts20 mph
UV index4 – Moderate
Precip chance47%
Sunrise06:49
Sunset16:46
Friday 20/11 Mostly cloudy
63°51°0.4 mm⌄
Wind7 mph SE
Gusts16 mph
UV index4 – Moderate
Precip chance36%
Sunrise06:50
Sunset16:45
Saturday 21/11 Mostly cloudy
67°51°13%⌄
Wind8 mph SE
Gusts22 mph
UV index5 – Moderate
Precip chance13%
Sunrise06:51
Sunset16:45
Sunday 22/11 Mostly cloudy
59°53°0.6 mm⌄
Wind13 mph SE
Gusts29 mph
UV index3 – Moderate
Precip chance48%
Sunrise06:52
Sunset16:44
Monday 23/11 Showers
61°50°19.6 mm⌄
Wind11 mph SE
Gusts28 mph
UV index4 – Moderate
Precip chance86%
Sunrise06:54
Sunset16:44
Tuesday 24/11 Partly cloudy
52°44°0.1 mm⌄
Wind12 mph W
Gusts22 mph
UV index4 – Moderate
Precip chance19%
Sunrise06:55
Sunset16:43
Wednesday 25/11 Mostly cloudy
49°42°17%⌄
Wind7 mph SE
Gusts16 mph
UV index2 – Low
Precip chance17%
Sunrise06:56
Sunset16:43
Thursday 26/11 Rain (climatological)
54°41°4.2 mm⌄
Day≈48–59°
Night≈36–46°
Precip≈1.9 in / November
(climatological)Typical range for these dates · 1991–2020
Friday 27/11 Partly cloudy (climatological)
58°44°20%⌄
Day≈53–64°
Night≈38–49°
Precip≈1.9 in / November
(climatological)Typical range for these dates · 1991–2020
Saturday 28/11 Partly cloudy (climatological)
59°44°20%⌄
Day≈54–65°
Night≈39–50°
Precip≈1.9 in / November
(climatological)Typical range for these dates · 1991–2020
Sunday 29/11 Rain (climatological)
58°44°5.3 mm⌄
Day≈53–64°
Night≈38–49°
Precip≈1.9 in / November
(climatological)Typical range for these dates · 1991–2020
Monday 30/11 Partly cloudy (climatological)
52°40°20%⌄
Day≈47–58°
Night≈35–46°
Precip≈1.9 in / November
(climatological)Typical range for these dates · 1991–2020
Tuesday 1/12 Partly cloudy (climatological)
43°32°20%⌄
Day≈37–48°
Night≈26–37°
Precip≈1.9 in / December
(climatological)Typical range for these dates · 1991–2020
Wednesday 2/12 Rain (climatological)
46°34°3.3 mm⌄
Day≈40–51°
Night≈28–39°
Precip≈1.9 in / December
(climatological)Typical range for these dates · 1991–2020
Thursday 3/12 Partly cloudy (climatological)
49°36°20%⌄
Day≈44–55°
Night≈30–41°
Precip≈1.9 in / December
(climatological)Typical range for these dates · 1991–2020
Friday 4/12 Partly cloudy (climatological)
50°36°20%⌄
Day≈44–55°
Night≈31–42°
Precip≈1.9 in / December
(climatological)Typical range for these dates · 1991–2020
Saturday 5/12 Rain (climatological)
50°36°3.3 mm⌄
Day≈45–55°
Night≈31–42°
Precip≈1.9 in / December
(climatological)Typical range for these dates · 1991–2020
Sunday 6/12 Partly cloudy (climatological)
51°37°20%⌄
Day≈45–56°
Night≈31–42°
Precip≈1.9 in / December
(climatological)Typical range for these dates · 1991–2020
Monday 7/12 Partly cloudy (climatological)
42°32°20%⌄
Day≈37–48°
Night≈26–37°
Precip≈1.9 in / December
(climatological)Typical range for these dates · 1991–2020
Tuesday 8/12 Rain (climatological)
44°33°4.7 mm⌄
Day≈39–50°
Night≈27–38°
Precip≈1.9 in / December
(climatological)Typical range for these dates · 1991–2020
Wednesday 9/12 Partly cloudy (climatological)
43°32°20%⌄
Day≈37–48°
Night≈26–37°
Precip≈1.9 in / December
(climatological)Typical range for these dates · 1991–2020
Thursday 10/12 Partly cloudy (climatological)
47°35°20%⌄
Day≈42–53°
Night≈29–40°
Precip≈1.9 in / December
(climatological)Typical range for these dates · 1991–2020
Friday 11/12 Rain (climatological)
50°36°6.1 mm⌄
Day≈45–56°
Night≈31–42°
Precip≈1.9 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.