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
66°
Fri, Nov 20
Coldest night
31°
Sat, Nov 14
Days with precip
3 / 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°
5% precip chance
Sat 21 – Sun 22 Nov
65° 50°
16% precip chance
Sat 28 – Sun 29 Nov
60° 43°
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°9%⌄
Wind15 mph NW
Gusts26 mph
UV index2 – Low
Precip chance9%
Sunrise06:42
Sunset16:51
Fri · Tomorrow Partly cloudy
44°34°6%⌄
Wind11 mph N
Gusts20 mph
UV index3 – Low
Precip chance6%
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°5%⌄
Wind3 mph E
Gusts8 mph
UV index4 – Moderate
Precip chance5%
Sunrise06:45
Sunset16:49
Monday 16/11 Sunny
54°35°4%⌄
Wind5 mph SE
Gusts8 mph
UV index4 – Moderate
Precip chance4%
Sunrise06:46
Sunset16:48
Tuesday 17/11 Sunny
56°36°5%⌄
Wind7 mph SE
Gusts16 mph
UV index4 – Moderate
Precip chance5%
Sunrise06:47
Sunset16:47
Wednesday 18/11 Partly cloudy
58°39°7%⌄
Wind10 mph SE
Gusts24 mph
UV index4 – Moderate
Precip chance7%
Sunrise06:48
Sunset16:47
Thursday 19/11 Showers
63°49°0.6 mm⌄
Wind9 mph S
Gusts24 mph
UV index5 – Moderate
Precip chance42%
Sunrise06:49
Sunset16:46
Friday 20/11 Partly cloudy
66°52°2.5 mm⌄
Wind5 mph S
Gusts13 mph
UV index5 – Moderate
Precip chance67%
Sunrise06:50
Sunset16:45
Saturday 21/11 Partly cloudy
65°50°16%⌄
Wind3 mph SE
Gusts15 mph
UV index5 – Moderate
Precip chance16%
Sunrise06:51
Sunset16:45
Sunday 22/11 Mostly cloudy
65°50°16%⌄
Wind9 mph SE
Gusts23 mph
UV index5 – Moderate
Precip chance16%
Sunrise06:52
Sunset16:44
Monday 23/11 Light rain
58°54°32.9 mm⌄
Wind9 mph SE
Gusts23 mph
UV index3 – Moderate
Precip chance91%
Sunrise06:54
Sunset16:44
Tuesday 24/11 Showers
54°44°11.4 mm⌄
Wind8 mph NW
Gusts25 mph
UV index4 – Moderate
Precip chance85%
Sunrise06:55
Sunset16:43
Wednesday 25/11 Partly cloudy
48°38°17%⌄
Wind10 mph W
Gusts22 mph
UV index3 – Moderate
Precip chance17%
Sunrise06:56
Sunset16:43
Friday 27/11 Rain (climatological)
54°41°9.3 mm⌄
Day≈49–60°
Night≈35–46°
Precip≈4.1 in / November
(climatological)Typical range for these dates · 1991–2020
Saturday 28/11 Partly cloudy (climatological)
59°43°20%⌄
Day≈53–64°
Night≈38–49°
Precip≈4.1 in / November
(climatological)Typical range for these dates · 1991–2020
Sunday 29/11 Partly cloudy (climatological)
60°44°20%⌄
Day≈55–65°
Night≈39–50°
Precip≈4.1 in / November
(climatological)Typical range for these dates · 1991–2020
Monday 30/11 Rain (climatological)
59°44°11.7 mm⌄
Day≈54–64°
Night≈38–49°
Precip≈4.1 in / November
(climatological)Typical range for these dates · 1991–2020
Tuesday 1/12 Partly cloudy (climatological)
44°32°20%⌄
Day≈39–49°
Night≈27–38°
Precip≈4.1 in / December
(climatological)Typical range for these dates · 1991–2020
Wednesday 2/12 Partly cloudy (climatological)
43°32°20%⌄
Day≈38–49°
Night≈26–37°
Precip≈4.1 in / December
(climatological)Typical range for these dates · 1991–2020
Thursday 3/12 Rain (climatological)
46°33°7.2 mm⌄
Day≈41–52°
Night≈28–39°
Precip≈4.1 in / December
(climatological)Typical range for these dates · 1991–2020
Friday 4/12 Partly cloudy (climatological)
50°36°20%⌄
Day≈44–55°
Night≈30–41°
Precip≈4.1 in / December
(climatological)Typical range for these dates · 1991–2020
Saturday 5/12 Partly cloudy (climatological)
50°36°20%⌄
Day≈45–56°
Night≈31–41°
Precip≈4.1 in / December
(climatological)Typical range for these dates · 1991–2020
Sunday 6/12 Rain (climatological)
51°36°7.2 mm⌄
Day≈45–56°
Night≈31–42°
Precip≈4.1 in / December
(climatological)Typical range for these dates · 1991–2020
Monday 7/12 Partly cloudy (climatological)
51°36°20%⌄
Day≈46–56°
Night≈31–42°
Precip≈4.1 in / December
(climatological)Typical range for these dates · 1991–2020
Tuesday 8/12 Partly cloudy (climatological)
43°31°20%⌄
Day≈37–48°
Night≈26–37°
Precip≈4.1 in / December
(climatological)Typical range for these dates · 1991–2020
Wednesday 9/12 Rain (climatological)
45°33°10.3 mm⌄
Day≈39–50°
Night≈27–38°
Precip≈4.1 in / December
(climatological)Typical range for these dates · 1991–2020
Thursday 10/12 Partly cloudy (climatological)
43°32°20%⌄
Day≈38–49°
Night≈26–37°
Precip≈4.1 in / December
(climatological)Typical range for these dates · 1991–2020
Friday 11/12 Partly cloudy (climatological)
48°35°20%⌄
Day≈43–53°
Night≈29–40°
Precip≈4.1 in / December
(climatological)Typical range for these dates · 1991–2020
Saturday 12/12 Rain (climatological)
51°36°13.4 mm⌄
Day≈46–56°
Night≈31–42°
Precip≈4.1 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.