Louisville, CO Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Louisville, CO.

0 Currently Active Alerts for Louisville

✅
No active weather alerts for Louisville at this time.
Subscribe to receive instant notifications when alerts are issued.

Current Conditions — Louisville, CO

BOULDER MUNI (KBDU)

Clear

46.4 F
Humidity:100%
Wind Speed: 5.8 mph
Barometer:29.61 in
Dewpoint:46.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:43.5 F
Apr 26 2026, 03:55 PM MDT
Severe Weather Alerts
Severe Weather
 		Daily Weather Forecast
Daily Forecast
 		Observation Alert Monitoring
Observations
 		Storm Report Monitoring
Storm Reports

5-Day Forecast — Louisville, CO

Sunday

High 50 °F
Forecast Missing
Sunday
Night
Low 41 °F
Forecast Missing
Monday

High 57 °F
Forecast Missing
Monday
Night
Low 39 °F
Forecast Missing
Tuesday

High 60 °F
Forecast Missing
Tuesday
Night
Low 39 °F
Forecast Missing
Wednesday

High 62 °F
Forecast Missing
Wednesday
Night
Low 41 °F
Forecast Missing
Thursday

High 53 °F
Forecast Missing

Detailed Forecast — Louisville, CO

Sunday
Forecast Missing. High near 50°F. Wind 6 to 7 mph, with gusts as high as 13 mph.
Sunday Night
Forecast Missing. Low around 41°F. Wind 3 to 6 mph, with gusts as high as 9 mph.
Monday
Forecast Missing. High near 57°F. Wind 6 to 7 mph, with gusts as high as 14 mph.
Monday Night
Forecast Missing. Low around 39°F. Wind 2 to 5 mph, with gusts as high as 9 mph.
Tuesday
Forecast Missing. High near 60°F. Wind 5 to 9 mph, with gusts as high as 18 mph.
Tuesday Night
Forecast Missing. Low around 39°F. Wind 2 to 5 mph, with gusts as high as 7 mph.
Wednesday
Forecast Missing. High near 62°F. Wind 2 to 7 mph, with gusts as high as 15 mph.
Wednesday Night
Forecast Missing. Low around 41°F. Wind 0 to 1 mph, with gusts as high as 5 mph.
Thursday
Forecast Missing. High near 53°F. Wind around 7 mph, with gusts as high as 14 mph.
Thursday Night
Forecast Missing. Low around 41°F. Wind 1 to 2 mph, with gusts as high as 5 mph.
Friday
Forecast Missing. High near 57°F. Wind 7 to 8 mph, with gusts as high as 13 mph.
Friday Night
Forecast Missing. Low around 39°F. Wind around 2 mph, with gusts as high as 6 mph.
Saturday
Forecast Missing. High near 66°F. Wind 6 to 9 mph, with gusts as high as 14 mph.
Saturday Night
Forecast Missing. Low around 44°F. Wind 3 to 5 mph, with gusts as high as 8 mph.
CO Radar
Current Radar • CO
Day 1 Outlook • April 26, 2026

Observation History — Louisville, CO

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
03:55 PM MDT 5.8 10.00 Clear -- 46.4 46.4 100% 43.5 NA 29.61 1002.7
03:35 PM MDT 0.0 10.00 Partly Cloudy -- 44.6 44.6 100% NA NA 29.62 1003.1
03:15 PM MDT 0.0 10.00 Mostly Cloudy -- 44.6 44.6 100% NA NA 29.63 1003.4
02:55 PM MDT 3.4 10.00 Cloudy -- 44.6 44.6 100% 43.2 NA 29.63 1003.4
02:35 PM MDT SE 4.7 10.00 Cloudy -- 42.8 42.8 100% 39.9 NA 29.65 1004.1
02:15 PM MDT 4.7 10.00 Mostly Cloudy -- 41.0 41.0 100% 37.9 NA 29.68 1004.8
01:55 PM MDT S 3.4 10.00 Partly Cloudy 00.05 41.0 41.0 100% 39.0 NA 29.68 1004.8
01:35 PM MDT SW 6.9 G 16.1 3.00 Light Rain 00.05 39.2 39.2 100% 34.2 NA 29.69 1005.4
01:15 PM MDT 6.9 4.00 Thunderstorms and Rain 00.02 41.0 37.4 87% 36.3 NA 29.69 1005.4
12:55 PM MDT 0.0 10.00 Thunderstorms and Rain -- 42.8 35.6 76% NA NA 29.71 1006.1
12:35 PM MDT 9.2 10.00 Cloudy -- 42.8 35.6 76% 37.4 NA 29.70 1005.8
12:15 PM MDT 0.0 10.00 Cloudy -- 42.8 33.8 70% NA NA 29.70 1005.8
11:55 AM MDT 0.0 10.00 Cloudy -- 42.8 33.8 70% NA NA 29.71 1006.1
11:35 AM MDT E 3.4 10.00 Cloudy -- 42.8 33.8 70% 41.2 NA 29.72 1006.4
11:15 AM MDT 0.0 10.00 Cloudy -- 42.8 35.6 76% NA NA 29.73 1006.8
10:55 AM MDT 3.4 10.00 Cloudy -- 41.0 35.6 81% 39.0 NA 29.74 1007.1
10:35 AM MDT NE 5.8 10.00 Cloudy -- 41.0 35.6 81% 37.0 NA 29.73 1006.8
10:15 AM MDT 3.4 10.00 Cloudy -- 41.0 35.6 81% 39.0 NA 29.75 1007.5
09:55 AM MDT 0.0 10.00 Cloudy -- 39.2 35.6 87% NA NA 29.76 1007.8
09:35 AM MDT 3.4 10.00 Cloudy -- 37.4 35.6 93% 35.1 NA 29.77 1008.1
09:15 AM MDT NE 3.4 10.00 Cloudy -- 39.2 35.6 87% 37.0 NA 29.79 1008.8
08:55 AM MDT 3.4 10.00 Cloudy -- 37.4 35.6 93% 35.1 NA 29.81 1009.2
08:35 AM MDT 3.4 10.00 Cloudy -- 37.4 35.6 93% 35.1 NA 29.81 1009.2
07:15 AM MDT 0.0 10.00 Cloudy -- 37.4 33.8 87% NA NA 29.82 1009.8

Regional Weather Observation

BOULDER MUNI (KBDU)

Clear
46.4 F

ERIE MUNI (KEIK)

Partly Cloudy
51.8 F

LONGMONT/VBRAND (KLMO)

Cloudy
47.3 F

FT COLLINS/LOVEL (KFNL)

Mostly Clear
48.2 F

GRANBY/GRAND CO (KGNB)

Partly Cloudy
43.9 F

BROOMFIELD/JEFFC (KBJC)

Cloudy
48.2 F
🔔    Sign-up to receive daily weather forecasts by email or text - subscribe